/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 90000 -s ../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend Z3 --icfgtochc.use.nondeterministic.sleep.update.encoding true --icfgtochc.conditional.independence NECESSARY_AND_SUFFICIENT -i ../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/inc-bdec.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2024-12-31 13:47:32,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-31 13:47:32,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/../ThreadModularVerifier.Settings.epf [2024-12-31 13:47:32,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-31 13:47:32,402 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-31 13:47:32,403 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-31 13:47:32,403 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-31 13:47:32,403 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-31 13:47:32,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-31 13:47:32,403 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-31 13:47:32,403 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-31 13:47:32,404 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-31 13:47:32,404 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-31 13:47:32,404 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-31 13:47:32,404 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-31 13:47:32,404 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-31 13:47:32,404 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 -> 90000 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use nondeterministic sleep update encoding -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2024-12-31 13:47:32,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-31 13:47:32,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-31 13:47:32,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-31 13:47:32,749 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-31 13:47:32,753 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-31 13:47:32,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/inc-bdec.bpl [2024-12-31 13:47:32,755 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/inc-bdec.bpl' [2024-12-31 13:47:32,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-31 13:47:32,779 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-31 13:47:32,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-31 13:47:32,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-31 13:47:32,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-31 13:47:32,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-31 13:47:32,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-31 13:47:32,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-31 13:47:32,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-31 13:47:32,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-31 13:47:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:47:32,836 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) [2024-12-31 13:47:32,843 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 [2024-12-31 13:47:32,867 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-31 13:47:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-31 13:47:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-31 13:47:32,916 INFO L234 CfgBuilder]: Building ICFG [2024-12-31 13:47:32,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-31 13:47:32,921 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-31 13:47:32,970 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-31 13:47:32,971 INFO L283 CfgBuilder]: Performing block encoding [2024-12-31 13:47:32,988 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-31 13:47:32,988 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-31 13:47:32,989 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 01:47:32 BoogieIcfgContainer [2024-12-31 13:47:32,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-31 13:47:32,991 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-31 13:47:32,991 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-31 13:47:32,991 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-31 13:47:32,993 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 01:47:32" (1/1) ... [2024-12-31 13:47:33,089 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume x > 0;x := x - 1;' is: true [2024-12-31 13:47:33,103 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-31 13:47:33,152 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume x > 0;x := x - 1;' is: (not (= x 0)) [2024-12-31 13:47:33,159 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2024-12-31 13:47:33,186 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'assume x > 0;x := x - 1;' is: true [2024-12-31 13:47:33,201 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'x := x + 1;' is: true [2024-12-31 13:47:33,217 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume x > 0;x := x - 1;' is: true [2024-12-31 13:47:33,227 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-31 13:47:33,256 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:47:33 HornClauseAST [2024-12-31 13:47:33,256 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-31 13:47:33,257 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-31 13:47:33,257 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-31 13:47:33,257 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-31 13:47:33,258 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:47:33" (1/1) ... [2024-12-31 13:47:33,259 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-bdec/CHC_inc-bdec.bpl_UID2191148445341963856.smt2 [2024-12-31 13:47:33,279 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-31 13:47:33,280 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-31 13:47:33,280 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-31 13:47:33,280 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-31 13:47:33,282 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:47:33" (1/1) ... [2024-12-31 13:47:33,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 [2024-12-31 13:47:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:47:33,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (exit command is (exit), workingDir is null) [2024-12-31 13:47:33,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (2)] Waiting until timeout for monitored process [2024-12-31 13:47:33,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (2)] Forceful destruction successful, exit code 0 [2024-12-31 13:47:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:47:33,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (exit command is (exit), workingDir is null) [2024-12-31 13:47:33,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (3)] Waiting until timeout for monitored process [2024-12-31 13:49:03,601 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (3)] Forcibly destroying the process [2024-12-31 13:49:03,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (3)] Forceful destruction successful, exit code 137 [2024-12-31 13:49:03,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:49:03,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (exit command is (exit), workingDir is null) [2024-12-31 13:49:03,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (4)] Waiting until timeout for monitored process [2024-12-31 13:49:03,658 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.12 01:49:03 ChcSolution [2024-12-31 13:49:03,658 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-31 13:49:03,659 INFO L158 Benchmark]: Toolchain (without parser) took 90879.90ms. Allocated memory is still 167.8MB. Free memory was 145.2MB in the beginning and 140.7MB in the end (delta: 4.5MB). Peak memory consumption was 36.1MB. Max. memory is 22.0GB. [2024-12-31 13:49:03,660 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.32ms. Allocated memory is still 167.8MB. Free memory was 146.1MB in the beginning and 146.0MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:49:03,660 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 167.8MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:49:03,660 INFO L158 Benchmark]: RCFGBuilder took 184.13ms. Allocated memory is still 167.8MB. Free memory was 143.8MB in the beginning and 136.1MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:49:03,661 INFO L158 Benchmark]: IcfgToChc took 265.54ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-31 13:49:03,661 INFO L158 Benchmark]: ChcSmtPrinter took 22.48ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 120.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:49:03,661 INFO L158 Benchmark]: ChcSolver took 90378.07ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 140.7MB in the end (delta: -19.9MB). Peak memory consumption was 19.3MB. Max. memory is 22.0GB. [2024-12-31 13:49:03,663 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 0.32ms. Allocated memory is still 167.8MB. Free memory was 146.1MB in the beginning and 146.0MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 167.8MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 184.13ms. Allocated memory is still 167.8MB. Free memory was 143.8MB in the beginning and 136.1MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 265.54ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 22.48ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 120.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 90378.07ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 140.7MB in the end (delta: -19.9MB). Peak memory consumption was 19.3MB. Max. memory is 22.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnknownResult: UNKNOWN CHC solver returned UNKNOWN. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-31 13:49:03,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:90000 (4)] Ended with exit code 0 [2024-12-31 13:49:03,877 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...