/usr/bin/java -Xmx15000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend GOLEM --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false -i ../../../trunk/examples/threadmodular/regression/lock/lock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 20:48:15,338 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 20:48:15,393 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf [2023-07-03 20:48:15,400 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 20:48:15,401 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 20:48:15,401 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 20:48:15,401 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 20:48:15,402 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 20:48:15,402 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 20:48:15,405 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 20:48:15,406 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 20:48:15,406 INFO L137 SettingsManager]: * Thread-Modular Proof Level=1 [2023-07-03 20:48:15,406 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-07-03 20:48:15,407 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 20:48:15,407 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 20:48:15,408 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 20:48:15,408 INFO L137 SettingsManager]: * File name=CHC_conditional WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-07-03 20:48:15,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 20:48:15,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 20:48:15,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 20:48:15,618 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 20:48:15,619 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 20:48:15,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl [2023-07-03 20:48:15,620 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl' [2023-07-03 20:48:15,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 20:48:15,636 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 20:48:15,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 20:48:15,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 20:48:15,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 20:48:15,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 20:48:15,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 20:48:15,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 20:48:15,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 20:48:15,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 20:48:15,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:48:15,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-07-03 20:48:15,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-07-03 20:48:15,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-07-03 20:48:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-07-03 20:48:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-07-03 20:48:15,750 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 20:48:15,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 20:48:15,754 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 20:48:15,807 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 20:48:15,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-07-03 20:48:15,816 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 20:48:15,817 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:48:15 BoogieIcfgContainer [2023-07-03 20:48:15,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 20:48:15,817 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 20:48:15,817 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 20:48:15,818 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 20:48:15,828 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,992 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:48:15 HornClauseAST [2023-07-03 20:48:15,992 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 20:48:15,993 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 20:48:15,993 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 20:48:15,993 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 20:48:15,994 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:15,994 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/CHC_conditional_lock.bpl_UID8451330319893560810.smt2 [2023-07-03 20:48:16,003 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 20:48:16,003 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 20:48:16,003 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 20:48:16,005 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 20:48:16,006 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:48:15" (1/1) ... [2023-07-03 20:48:16,007 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_9446446496035140656.smt2 [2023-07-03 20:48:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem [2023-07-03 20:48:16,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_9446446496035140656.smt2 (exit command is null, workingDir is null) [2023-07-03 20:48:16,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_9446446496035140656.smt2 (2)] Waiting until timeout for monitored process [2023-07-03 20:48:16,223 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-07-03 20:48:16,224 INFO L176 ChcSolverObserver]: (define-fun (Inv Bool Int Int Int Bool) ((|x#0| Bool) (|x#1| Int) (|x#2| Int) (|x#3| Int) ) Bool (and (or (<= 4 |x#3|) (<= 7 |x#3|) (<= 6 |x#3|) (<= |x#2| 1) (<= 9 |x#3|) (<= 5 |x#3|) (<= |x#2| 0) (not |x#0|)) (or (<= |x#3| 2) (<= 7 |x#3|) (<= 6 |x#3|) (<= |x#2| 1) (<= 9 |x#3|) (<= 5 |x#3|) (<= |x#2| 0) (<= |x#3| 1) (not |x#0|)) (or (<= |x#3| 2) (<= |x#3| 4) (<= 7 |x#3|) (<= |x#2| 1) (<= 9 |x#3|) (<= |x#2| 0) (<= |x#3| 1) (<= |x#3| 5) (<= 8 |x#3|) (<= |x#3| 3)) (or (<= 7 |x#3|) (<= 6 |x#3|) (<= 9 |x#3|) |x#0| (<= 5 |x#3|) (<= |x#2| 0) (<= |x#3| 1) (<= (+ |x#2| 1) 0) (<= 8 |x#3|)) (or (<= |x#3| 2) (<= 7 |x#3|) (<= |x#2| 1) (<= 9 |x#3|) (<= |x#2| 0) (<= |x#3| 1) (not |x#0|) (<= |x#3| 3)) (or (<= 4 |x#3|) (<= 7 |x#3|) (<= 6 |x#3|) (<= 3 |x#3|) (<= 9 |x#3|) |x#0| (<= 5 |x#3|) (<= |x#2| 0) (<= (+ |x#2| 1) 0) (<= 8 |x#3|)) (or (<= |x#3| 2) (<= |x#3| 6) (<= |x#3| 4) (<= |x#2| 1) (<= 9 |x#3|) (<= |x#2| 0) (<= |x#3| 1) (not |x#0|) (<= |x#3| 5) (<= |x#3| 3)) (or (<= 7 |x#3|) (<= 9 |x#3|) |x#0| (<= |x#2| 0) (<= |x#3| 1) (<= (+ |x#2| 1) 0) (<= 8 |x#3|) (<= |x#3| 3)))) [2023-07-03 20:48:16,225 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 08:48:16 ChcSolution [2023-07-03 20:48:16,225 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 20:48:16,229 INFO L158 Benchmark]: Toolchain (without parser) took 593.00ms. Allocated memory is still 371.2MB. Free memory was 328.1MB in the beginning and 309.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 15.0GB. [2023-07-03 20:48:16,233 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 371.2MB. Free memory was 329.1MB in the beginning and 329.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:48:16,234 INFO L158 Benchmark]: Boogie Preprocessor took 20.72ms. Allocated memory is still 371.2MB. Free memory was 328.1MB in the beginning and 326.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:48:16,234 INFO L158 Benchmark]: RCFGBuilder took 159.14ms. Allocated memory is still 371.2MB. Free memory was 326.2MB in the beginning and 317.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 20:48:16,235 INFO L158 Benchmark]: IcfgToChc took 175.15ms. Allocated memory is still 371.2MB. Free memory was 317.5MB in the beginning and 312.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-07-03 20:48:16,235 INFO L158 Benchmark]: ChcSmtPrinter took 10.01ms. Allocated memory is still 371.2MB. Free memory was 312.6MB in the beginning and 311.8MB in the end (delta: 842.5kB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:48:16,235 INFO L158 Benchmark]: ChcSolver took 221.69ms. Allocated memory is still 371.2MB. Free memory was 311.8MB in the beginning and 309.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:48:16,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-07-03 20:48:16,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_9446446496035140656.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 0.11ms. Allocated memory is still 371.2MB. Free memory was 329.1MB in the beginning and 329.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 20.72ms. Allocated memory is still 371.2MB. Free memory was 328.1MB in the beginning and 326.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 159.14ms. Allocated memory is still 371.2MB. Free memory was 326.2MB in the beginning and 317.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 175.15ms. Allocated memory is still 371.2MB. Free memory was 317.5MB in the beginning and 312.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 10.01ms. Allocated memory is still 371.2MB. Free memory was 312.6MB in the beginning and 311.8MB in the end (delta: 842.5kB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 221.69ms. Allocated memory is still 371.2MB. Free memory was 311.8MB in the beginning and 309.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * 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. [2023-07-03 20:48:16,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...