/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.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 [2025-01-04 05:41:51,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-04 05:41:51,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf [2025-01-04 05:41:51,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-04 05:41:51,139 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-04 05:41:51,139 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-04 05:41:51,140 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-04 05:41:51,140 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-04 05:41:51,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-04 05:41:51,140 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-04 05:41:51,141 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-04 05:41:51,142 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-04 05:41:51,142 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-04 05:41:51,142 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-04 05:41:51,142 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-04 05:41:51,142 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-04 05:41:51,142 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: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2025-01-04 05:41:51,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-04 05:41:51,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-04 05:41:51,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-04 05:41:51,423 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-04 05:41:51,423 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-04 05:41:51,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2025-01-04 05:41:51,425 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2025-01-04 05:41:51,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-04 05:41:51,442 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-04 05:41:51,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-04 05:41:51,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-04 05:41:51,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-04 05:41:51,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-04 05:41:51,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-04 05:41:51,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-04 05:41:51,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-04 05:41:51,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-04 05:41:51,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-04 05:41:51,499 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) [2025-01-04 05:41:51,502 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 [2025-01-04 05:41:51,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-04 05:41:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-04 05:41:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-04 05:41:51,574 INFO L234 CfgBuilder]: Building ICFG [2025-01-04 05:41:51,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-04 05:41:51,579 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 05:41:51,624 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-04 05:41:51,624 INFO L283 CfgBuilder]: Performing block encoding [2025-01-04 05:41:51,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-04 05:41:51,641 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-04 05:41:51,641 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 05:41:51 BoogieIcfgContainer [2025-01-04 05:41:51,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-04 05:41:51,642 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-04 05:41:51,642 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-04 05:41:51,642 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-04 05:41:51,643 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,706 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2025-01-04 05:41:51,709 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2025-01-04 05:41:51,732 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-04 05:41:51,749 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-04 05:41:51,750 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2025-01-04 05:41:51,766 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-04 05:41:51,796 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-04 05:41:51,810 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2025-01-04 05:41:51,833 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-04 05:41:51,844 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-04 05:41:51,850 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2025-01-04 05:41:51,869 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: (not (= ctr 4)) [2025-01-04 05:41:51,895 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 05:41:51 HornClauseAST [2025-01-04 05:41:51,896 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-04 05:41:51,896 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-04 05:41:51,896 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-04 05:41:51,897 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-04 05:41:51,897 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,899 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_UID951869168910070610.smt2 [2025-01-04 05:41:51,920 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-04 05:41:51,921 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-04 05:41:51,921 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-04 05:41:51,921 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-04 05:41:51,922 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 05:41:51" (1/1) ... [2025-01-04 05:41:51,925 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_1577248834050041203.smt2 [2025-01-04 05:41:51,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2025-01-04 05:41:51,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_1577248834050041203.smt2 (exit command is null, workingDir is null) [2025-01-04 05:41:51,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_1577248834050041203.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 05:41:53,655 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 04.01 05:41:53 ChcSolution [2025-01-04 05:41:53,655 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-04 05:41:53,656 INFO L158 Benchmark]: Toolchain (without parser) took 2214.11ms. Allocated memory is still 167.8MB. Free memory was 146.7MB in the beginning and 120.6MB in the end (delta: 26.2MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-04 05:41:53,659 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 05:41:53,659 INFO L158 Benchmark]: Boogie Preprocessor took 24.19ms. Allocated memory is still 167.8MB. Free memory was 146.6MB in the beginning and 145.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 05:41:53,660 INFO L158 Benchmark]: RCFGBuilder took 172.89ms. Allocated memory is still 167.8MB. Free memory was 145.3MB in the beginning and 137.4MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 05:41:53,660 INFO L158 Benchmark]: IcfgToChc took 253.86ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 123.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-04 05:41:53,660 INFO L158 Benchmark]: ChcSmtPrinter took 23.90ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 05:41:53,661 INFO L158 Benchmark]: ChcSolver took 1734.10ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 05:41:53,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2025-01-04 05:41:53,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_1577248834050041203.smt2 (2)] Ended with exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 24.19ms. Allocated memory is still 167.8MB. Free memory was 146.6MB in the beginning and 145.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 172.89ms. Allocated memory is still 167.8MB. Free memory was 145.3MB in the beginning and 137.4MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 253.86ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 123.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 23.90ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 1734.10ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.6MB 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. [2025-01-04 05:41:53,680 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...