/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-4/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend GOLEM -i ../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2025-01-03 18:23:49,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-03 18:23:49,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf [2025-01-03 18:23:49,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-03 18:23:49,760 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-03 18:23:49,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-03 18:23:49,761 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-03 18:23:49,761 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-03 18:23:49,762 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-03 18:23:49,762 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-03 18:23:49,762 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-03 18:23:49,762 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 [2025-01-03 18:23:50,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-03 18:23:50,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-03 18:23:50,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-03 18:23:50,019 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-03 18:23:50,020 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-03 18:23:50,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2025-01-03 18:23:50,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2025-01-03 18:23:50,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-03 18:23:50,044 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-03 18:23:50,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-03 18:23:50,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-03 18:23:50,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-03 18:23:50,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-03 18:23:50,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-03 18:23:50,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-03 18:23:50,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-03 18:23:50,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-03 18:23:50,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-03 18:23:50,081 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 18:23:50,085 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 18:23:50,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-03 18:23:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-03 18:23:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-03 18:23:50,138 INFO L234 CfgBuilder]: Building ICFG [2025-01-03 18:23:50,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-03 18:23:50,143 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-03 18:23:50,193 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-03 18:23:50,193 INFO L283 CfgBuilder]: Performing block encoding [2025-01-03 18:23:50,209 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-03 18:23:50,209 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-03 18:23:50,210 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 06:23:50 BoogieIcfgContainer [2025-01-03 18:23:50,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-03 18:23:50,212 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-03 18:23:50,212 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-03 18:23:50,212 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-03 18:23:50,213 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,291 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 18:23:50,293 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2025-01-03 18:23:50,319 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 18:23:50,344 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 18:23:50,347 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2025-01-03 18:23:50,360 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 18:23:50,402 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 18:23:50,413 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2025-01-03 18:23:50,439 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 18:23:50,455 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 18:23:50,459 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2025-01-03 18:23:50,468 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: false [2025-01-03 18:23:50,497 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 06:23:50 HornClauseAST [2025-01-03 18:23:50,497 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-03 18:23:50,498 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-03 18:23:50,498 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-03 18:23:50,498 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-03 18:23:50,498 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,500 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_UID13439202128743490862.smt2 [2025-01-03 18:23:50,514 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-03 18:23:50,515 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-03 18:23:50,515 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-03 18:23:50,515 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-03 18:23:50,516 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 06:23:50" (1/1) ... [2025-01-03 18:23:50,517 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_4771133147700002696.smt2 [2025-01-03 18:23:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2025-01-03 18:23:50,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_4771133147700002696.smt2 (exit command is null, workingDir is null) [2025-01-03 18:23:50,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_4771133147700002696.smt2 (2)] Waiting until timeout for monitored process [2025-01-03 18:23:51,072 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.01 06:23:51 ChcSolution [2025-01-03 18:23:51,072 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-03 18:23:51,073 INFO L158 Benchmark]: Toolchain (without parser) took 1029.04ms. Allocated memory is still 167.8MB. Free memory was 145.9MB in the beginning and 122.1MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-03 18:23:51,074 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 18:23:51,075 INFO L158 Benchmark]: Boogie Preprocessor took 17.35ms. Allocated memory is still 167.8MB. Free memory was 145.9MB in the beginning and 144.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 18:23:51,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_4771133147700002696.smt2 (2)] Ended with exit code 0 [2025-01-03 18:23:51,075 INFO L158 Benchmark]: RCFGBuilder took 148.77ms. Allocated memory is still 167.8MB. Free memory was 144.5MB in the beginning and 136.6MB in the end (delta: 7.9MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 18:23:51,075 INFO L158 Benchmark]: IcfgToChc took 285.39ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 124.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-03 18:23:51,076 INFO L158 Benchmark]: ChcSmtPrinter took 16.69ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 18:23:51,076 INFO L158 Benchmark]: ChcSolver took 557.11ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 18:23:51,078 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 0.26ms. Allocated memory is still 167.8MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 17.35ms. Allocated memory is still 167.8MB. Free memory was 145.9MB in the beginning and 144.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 148.77ms. Allocated memory is still 167.8MB. Free memory was 144.5MB in the beginning and 136.6MB in the end (delta: 7.9MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 285.39ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 124.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 16.69ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 557.11ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.1MB). 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 18:23:51,090 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...