/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 --chcsolver.timeout 5000 -s ../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend GOLEM --icfgtochc.use.nondeterministic.sleep.update.encoding true --icfgtochc.conditional.independence NECESSARY_AND_SUFFICIENT -i ../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2024-12-31 17:48:18,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-31 17:48:18,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf [2024-12-31 17:48:18,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-31 17:48:18,938 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-31 17:48:18,938 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-31 17:48:18,938 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-31 17:48:18,938 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-31 17:48:18,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-31 17:48:18,939 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-31 17:48:18,939 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-31 17:48:18,940 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-31 17:48:18,940 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-31 17:48:18,940 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-31 17:48:18,940 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-31 17:48:18,940 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-31 17:48:18,940 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.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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2024-12-31 17:48:19,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-31 17:48:19,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-31 17:48:19,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-31 17:48:19,246 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-31 17:48:19,246 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-31 17:48:19,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2024-12-31 17:48:19,247 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2024-12-31 17:48:19,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-31 17:48:19,263 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-31 17:48:19,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-31 17:48:19,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-31 17:48:19,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-31 17:48:19,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-31 17:48:19,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-31 17:48:19,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-31 17:48:19,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-31 17:48:19,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-31 17:48:19,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 17:48:19,306 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 17:48:19,309 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 17:48:19,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-31 17:48:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-31 17:48:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-31 17:48:19,359 INFO L234 CfgBuilder]: Building ICFG [2024-12-31 17:48:19,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-31 17:48:19,363 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-31 17:48:19,399 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-31 17:48:19,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-31 17:48:19,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-31 17:48:19,411 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-31 17:48:19,411 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:48:19 BoogieIcfgContainer [2024-12-31 17:48:19,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-31 17:48:19,412 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-31 17:48:19,412 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-31 17:48:19,412 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-31 17:48:19,413 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,494 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 17:48:19,498 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2024-12-31 17:48:19,523 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 17:48:19,538 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 17:48:19,539 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-31 17:48:19,553 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 17:48:19,589 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 17:48:19,607 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2024-12-31 17:48:19,626 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 17:48:19,638 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 17:48:19,642 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2024-12-31 17:48:19,656 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: (not (= ctr 4)) [2024-12-31 17:48:19,678 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 05:48:19 HornClauseAST [2024-12-31 17:48:19,678 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-31 17:48:19,678 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-31 17:48:19,679 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-31 17:48:19,679 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-31 17:48:19,679 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,681 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/CHC_mutex-4.bpl_UID16591107753192605578.smt2 [2024-12-31 17:48:19,696 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-31 17:48:19,697 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-31 17:48:19,697 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-31 17:48:19,697 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-31 17:48:19,699 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 05:48:19" (1/1) ... [2024-12-31 17:48:19,700 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_5837341507731388877.smt2 [2024-12-31 17:48:19,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2024-12-31 17:48:19,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_5837341507731388877.smt2 (exit command is null, workingDir is null) [2024-12-31 17:48:19,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_5837341507731388877.smt2 (2)] Waiting until timeout for monitored process [2024-12-31 17:48:21,352 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.12 05:48:21 ChcSolution [2024-12-31 17:48:21,353 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-31 17:48:21,354 INFO L158 Benchmark]: Toolchain (without parser) took 2091.02ms. Allocated memory is still 167.8MB. Free memory was 145.0MB in the beginning and 134.7MB in the end (delta: 10.3MB). Peak memory consumption was 1.5MB. Max. memory is 22.0GB. [2024-12-31 17:48:21,355 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 17:48:21,355 INFO L158 Benchmark]: Boogie Preprocessor took 18.65ms. Allocated memory is still 167.8MB. Free memory was 145.0MB in the beginning and 143.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 17:48:21,356 INFO L158 Benchmark]: RCFGBuilder took 129.17ms. Allocated memory is still 167.8MB. Free memory was 143.6MB in the beginning and 136.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 17:48:21,356 INFO L158 Benchmark]: IcfgToChc took 266.03ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 136.9MB in the end (delta: -993.7kB). Peak memory consumption was 19.0MB. Max. memory is 22.0GB. [2024-12-31 17:48:21,356 INFO L158 Benchmark]: ChcSmtPrinter took 18.09ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 135.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 17:48:21,357 INFO L158 Benchmark]: ChcSolver took 1655.70ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 134.7MB in the end (delta: 675.7kB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 17:48:21,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-12-31 17:48:21,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_5837341507731388877.smt2 (2)] Forceful destruction successful, exit code 0 Benchmark results are: * Boogie PL CUP Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 18.65ms. Allocated memory is still 167.8MB. Free memory was 145.0MB in the beginning and 143.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 129.17ms. Allocated memory is still 167.8MB. Free memory was 143.6MB in the beginning and 136.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 266.03ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 136.9MB in the end (delta: -993.7kB). Peak memory consumption was 19.0MB. Max. memory is 22.0GB. * ChcSmtPrinter took 18.09ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 135.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 1655.70ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 134.7MB in the end (delta: 675.7kB). 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. [2024-12-31 17:48:21,375 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...