/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/mutex-unbounded/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend GOLEM --icfgtochc.use.nondeterministic.sleep.update.encoding true -i ../../../trunk/examples/concurrent/bpl/parameterized/mutex-unbounded/mutex-unbounded.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2025-01-03 21:47:41,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-03 21:47:41,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-unbounded/../ThreadModularVerifier.Settings.epf [2025-01-03 21:47:41,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-03 21:47:41,368 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-03 21:47:41,368 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-03 21:47:41,372 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-03 21:47:41,373 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-03 21:47:41,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-03 21:47:41,373 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-03 21:47:41,373 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-03 21:47:41,374 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-03 21:47:41,374 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-03 21:47:41,374 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-03 21:47:41,374 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-03 21:47:41,374 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-03 21:47:41,374 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 -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use nondeterministic sleep update encoding -> true [2025-01-03 21:47:41,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-03 21:47:41,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-03 21:47:41,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-03 21:47:41,665 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-03 21:47:41,666 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-03 21:47:41,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-unbounded/mutex-unbounded.bpl [2025-01-03 21:47:41,668 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-unbounded/mutex-unbounded.bpl' [2025-01-03 21:47:41,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-03 21:47:41,688 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-03 21:47:41,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-03 21:47:41,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-03 21:47:41,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-03 21:47:41,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-03 21:47:41,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-03 21:47:41,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-03 21:47:41,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-03 21:47:41,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-03 21:47:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-03 21:47:41,730 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) [2025-01-03 21:47:41,735 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 [2025-01-03 21:47:41,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-03 21:47:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-03 21:47:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-03 21:47:41,797 INFO L234 CfgBuilder]: Building ICFG [2025-01-03 21:47:41,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-03 21:47:41,801 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-03 21:47:41,843 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-03 21:47:41,843 INFO L283 CfgBuilder]: Performing block encoding [2025-01-03 21:47:41,856 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-03 21:47:41,856 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-03 21:47:41,857 INFO L201 PluginConnector]: Adding new model mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 09:47:41 BoogieIcfgContainer [2025-01-03 21:47:41,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-03 21:47:41,857 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-03 21:47:41,857 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-03 21:47:41,858 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-03 21:47:41,860 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 09:47:41" (1/1) ... [2025-01-03 21:47:41,916 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 21:47:41,917 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2025-01-03 21:47:41,924 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'ctr := ctr + 1;' is: true [2025-01-03 21:47:41,938 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 21:47:41,940 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2025-01-03 21:47:41,948 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'ctr := ctr + 1;' is: true [2025-01-03 21:47:41,997 INFO L161 IndependenceChecker]: instantiated independence condition for 'ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 21:47:42,002 INFO L161 IndependenceChecker]: instantiated independence condition for 'ctr := ctr + 1;' and 'assume true;' is: true [2025-01-03 21:47:42,010 INFO L161 IndependenceChecker]: instantiated independence condition for 'ctr := ctr + 1;' and 'ctr := ctr + 1;' is: true [2025-01-03 21:47:42,030 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 21:47:42,034 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2025-01-03 21:47:42,040 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'ctr := ctr + 1;' is: true [2025-01-03 21:47:42,062 INFO L201 PluginConnector]: Adding new model mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 09:47:42 HornClauseAST [2025-01-03 21:47:42,062 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-03 21:47:42,063 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-03 21:47:42,063 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-03 21:47:42,063 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-03 21:47:42,064 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 09:47:42" (1/1) ... [2025-01-03 21:47:42,065 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-unbounded/CHC_mutex-unbounded.bpl_UID972448995319717305.smt2 [2025-01-03 21:47:42,086 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-03 21:47:42,087 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-03 21:47:42,087 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-03 21:47:42,087 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-03 21:47:42,089 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 09:47:42" (1/1) ... [2025-01-03 21:47:42,090 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_8787514073484570295.smt2 [2025-01-03 21:47:42,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2025-01-03 21:47:42,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_8787514073484570295.smt2 (exit command is null, workingDir is null) [2025-01-03 21:47:42,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_8787514073484570295.smt2 (2)] Waiting until timeout for monitored process [2025-01-03 21:47:42,658 INFO L201 PluginConnector]: Adding new model mutex-unbounded.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.01 09:47:42 ChcSolution [2025-01-03 21:47:42,658 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-03 21:47:42,659 INFO L158 Benchmark]: Toolchain (without parser) took 970.23ms. Allocated memory is still 167.8MB. Free memory was 147.2MB in the beginning and 141.0MB in the end (delta: 6.2MB). Peak memory consumption was 1.9MB. Max. memory is 22.0GB. [2025-01-03 21:47:42,660 INFO L158 Benchmark]: Boogie PL CUP Parser took 1.16ms. Allocated memory is still 167.8MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 21:47:42,660 INFO L158 Benchmark]: Boogie Preprocessor took 18.03ms. Allocated memory is still 167.8MB. Free memory was 147.1MB in the beginning and 145.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 21:47:42,660 INFO L158 Benchmark]: RCFGBuilder took 149.24ms. Allocated memory is still 167.8MB. Free memory was 145.7MB in the beginning and 138.4MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 21:47:42,661 INFO L158 Benchmark]: IcfgToChc took 204.73ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 143.1MB in the end (delta: -4.8MB). Peak memory consumption was 2.3MB. Max. memory is 22.0GB. [2025-01-03 21:47:42,661 INFO L158 Benchmark]: ChcSmtPrinter took 23.94ms. Allocated memory is still 167.8MB. Free memory was 143.1MB in the beginning and 141.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 21:47:42,661 INFO L158 Benchmark]: ChcSolver took 570.80ms. Allocated memory is still 167.8MB. Free memory was 141.6MB in the beginning and 141.0MB in the end (delta: 585.1kB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 21:47:42,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2025-01-03 21:47:42,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_8787514073484570295.smt2 (2)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.16ms. Allocated memory is still 167.8MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 18.03ms. Allocated memory is still 167.8MB. Free memory was 147.1MB in the beginning and 145.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 149.24ms. Allocated memory is still 167.8MB. Free memory was 145.7MB in the beginning and 138.4MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 204.73ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 143.1MB in the end (delta: -4.8MB). Peak memory consumption was 2.3MB. Max. memory is 22.0GB. * ChcSmtPrinter took 23.94ms. Allocated memory is still 167.8MB. Free memory was 143.1MB in the beginning and 141.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 570.80ms. Allocated memory is still 167.8MB. Free memory was 141.6MB in the beginning and 141.0MB in the end (delta: 585.1kB). 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. [2025-01-03 21:47:42,677 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...