/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/inc-dec-eq0-locked/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.break.symmetry.of.preference.order false --chcsolver.chc.solver.backend ELDARICA --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat true --chcsolver.produce.unsat.core.if.query.is.unsat true -i ../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 15:56:13,602 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 15:56:13,654 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/ThreadModularVerifier.Settings.epf [2023-07-03 15:56:13,662 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 15:56:13,662 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 15:56:13,663 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 15:56:13,663 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 15:56:13,663 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 15:56:13,664 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 15:56:13,667 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 15:56:13,667 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 15:56:13,668 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 15:56:13,668 INFO L137 SettingsManager]: * File name=CHC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-07-03 15:56:13,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 15:56:13,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 15:56:13,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 15:56:13,818 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 15:56:13,819 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 15:56:13,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl [2023-07-03 15:56:13,820 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2023-07-03 15:56:13,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 15:56:13,835 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 15:56:13,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 15:56:13,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 15:56:13,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 15:56:13,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 15:56:13,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 15:56:13,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 15:56:13,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 15:56:13,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 03:56:13" (1/1) ... [2023-07-03 15:56:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 15:56:13,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 15:56:13,876 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 15:56:13,886 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 15:56:13,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-07-03 15:56:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-07-03 15:56:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-07-03 15:56:13,938 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 15:56:13,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 15:56:13,942 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 15:56:14,010 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 15:56:14,024 INFO L294 CfgBuilder]: Using library mode [2023-07-03 15:56:14,024 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 15:56:14,026 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 03:56:14 BoogieIcfgContainer [2023-07-03 15:56:14,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 15:56:14,027 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 15:56:14,027 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 15:56:14,027 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 15:56:14,028 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 03:56:14" (1/1) ... [2023-07-03 15:56:14,198 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2023-07-03 15:56:14,200 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,202 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,203 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,205 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,207 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,209 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,210 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,212 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,213 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,225 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: false [2023-07-03 15:56:14,227 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,229 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,231 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,233 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,235 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,236 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,238 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,240 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,241 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,247 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,251 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,253 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,255 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,257 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,259 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,262 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,264 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,266 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,268 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,277 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,281 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,301 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,311 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,313 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,322 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,324 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,326 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,328 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,329 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,340 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,354 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,356 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,361 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,363 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,364 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,371 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,375 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,377 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,378 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,393 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,395 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,396 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,397 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,398 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,400 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,401 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,402 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,404 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,405 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,413 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,414 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,417 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,420 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,423 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,424 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,429 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,431 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,432 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,433 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,441 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,444 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,447 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,449 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,451 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,453 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,456 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,458 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,460 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,461 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,466 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,469 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,471 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,473 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,475 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,477 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,478 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,479 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,480 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,481 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,485 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 15:56:14,492 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,493 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,496 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,498 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,501 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,502 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,503 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,504 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,505 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,513 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2023-07-03 15:56:14,514 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,515 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,515 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,516 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 15:56:14,517 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,518 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,519 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,520 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 15:56:14,521 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2023-07-03 15:56:14,523 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2023-07-03 15:56:14,526 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,527 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,528 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,528 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 15:56:14,529 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,535 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,536 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,536 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 15:56:14,537 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2023-07-03 15:56:14,564 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 03:56:14 HornClauseAST [2023-07-03 15:56:14,564 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 15:56:14,565 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 15:56:14,565 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 15:56:14,565 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 15:56:14,565 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 03:56:14" (1/1) ... [2023-07-03 15:56:14,567 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/CHC_inc-dec-eq0-locked.bpl_UID6672128409851061874.smt2 [2023-07-03 15:56:14,581 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 15:56:14,582 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 15:56:14,582 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 15:56:14,582 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 15:56:14,583 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 03:56:14" (1/1) ... [2023-07-03 15:56:14,583 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-07-03 15:56:14,583 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-07-03 15:56:14,584 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_17667186045207141339.smt2 [2023-07-03 15:56:14,591 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-07-03 15:56:14,591 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-07-03 15:56:14,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_17667186045207141339.smt2 (exit command is null, workingDir is null) [2023-07-03 15:56:14,595 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_17667186045207141339.smt2 (2)] Waiting until timeout for monitored process Received shutdown request... [2023-07-03 16:25:12,570 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-07-03 16:25:12,570 WARN L340 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_17667186045207141339.smt2 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-07-03 16:25:13,570 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_17667186045207141339.smt2 (2)] Forcibly destroying the process [2023-07-03 16:25:13,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 [2023-07-03 16:25:13,653 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_17667186045207141339.smt2 (2)] Forceful destruction successful, exit code 137 [2023-07-03 16:25:13,654 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver. Reason: Timeout or Toolchain cancelled by user [2023-07-03 16:25:13,656 INFO L158 Benchmark]: Toolchain (without parser) took 1739820.01ms. Allocated memory is still 377.5MB. Free memory was 335.5MB in the beginning and 304.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.1MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,656 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 377.5MB. Free memory is still 336.5MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 16:25:13,657 INFO L158 Benchmark]: Boogie Preprocessor took 17.90ms. Allocated memory is still 377.5MB. Free memory was 335.5MB in the beginning and 333.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,657 INFO L158 Benchmark]: RCFGBuilder took 171.41ms. Allocated memory is still 377.5MB. Free memory was 333.6MB in the beginning and 325.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,657 INFO L158 Benchmark]: IcfgToChc took 537.47ms. Allocated memory is still 377.5MB. Free memory was 325.1MB in the beginning and 319.8MB in the end (delta: 5.2MB). Peak memory consumption was 20.6MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,658 INFO L158 Benchmark]: ChcSmtPrinter took 16.66ms. Allocated memory is still 377.5MB. Free memory was 319.8MB in the beginning and 316.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,658 INFO L158 Benchmark]: ChcSolver took 1739073.02ms. Allocated memory is still 377.5MB. Free memory was 316.2MB in the beginning and 304.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. [2023-07-03 16:25:13,660 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 0.11ms. Allocated memory is still 377.5MB. Free memory is still 336.5MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.90ms. Allocated memory is still 377.5MB. Free memory was 335.5MB in the beginning and 333.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 171.41ms. Allocated memory is still 377.5MB. Free memory was 333.6MB in the beginning and 325.1MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 537.47ms. Allocated memory is still 377.5MB. Free memory was 325.1MB in the beginning and 319.8MB in the end (delta: 5.2MB). Peak memory consumption was 20.6MB. Max. memory is 15.0GB. * ChcSmtPrinter took 16.66ms. Allocated memory is still 377.5MB. Free memory was 319.8MB in the beginning and 316.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * ChcSolver took 1739073.02ms. Allocated memory is still 377.5MB. Free memory was 316.2MB in the beginning and 304.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.chcsolver) Toolchain cancelled while executing Executor. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown