/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 --chcsolver.chc.solver.backend Z3 --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/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-fe2097d-m [2023-05-31 12:43:54,483 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 12:43:54,555 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/ThreadModularVerifier.Settings.epf [2023-05-31 12:43:54,562 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 12:43:54,563 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 12:43:54,564 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 12:43:54,564 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 12:43:54,565 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 12:43:54,565 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 12:43:54,566 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 12:43:54,567 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 12:43:54,567 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 12:43:54,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-05-31 12:43:54,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 12:43:54,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 12:43:54,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 12:43:54,892 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 12:43:54,893 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 12:43:54,894 INFO L431 ainManager$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 [2023-05-31 12:43:54,895 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2023-05-31 12:43:54,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 12:43:54,921 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 12:43:54,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 12:43:54,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 12:43:54,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 12:43:54,937 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,939 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,943 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,944 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,945 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,946 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,946 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,947 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 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 12:43:54,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 12:43:54,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 12:43:54,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 12:43:54,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:54" (1/1) ... [2023-05-31 12:43:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 12:43:54,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 12:43:54,982 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) [2023-05-31 12:43:54,986 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 [2023-05-31 12:43:55,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 12:43:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 12:43:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 12:43:55,052 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 12:43:55,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 12:43:55,057 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 12:43:55,140 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 12:43:55,156 INFO L294 CfgBuilder]: Using library mode [2023-05-31 12:43:55,156 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 12:43:55,160 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 12:43:55 BoogieIcfgContainer [2023-05-31 12:43:55,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 12:43:55,162 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 12:43:55,162 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 12:43:55,162 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 12:43:55,164 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 31.05 12:43:55" (1/1) ... [2023-05-31 12:43:55,410 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,418 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,437 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,440 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,442 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,445 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,450 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,454 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,457 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,461 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,500 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2023-05-31 12:43:55,505 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,512 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,517 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,522 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,528 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,530 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,533 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,536 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,538 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-05-31 12:43:55,552 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,557 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,559 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,561 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,564 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,566 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,569 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,571 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,574 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,575 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,584 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,587 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,589 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,591 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,593 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,595 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,597 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,599 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,601 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,603 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,630 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,632 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,636 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,637 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,639 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,641 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,642 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,646 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,648 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,649 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,655 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,656 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,658 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,659 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,661 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,663 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,664 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,666 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,667 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,669 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 12:43:55,674 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,676 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,678 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,680 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,685 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,687 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,688 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,689 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,691 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,692 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,697 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,699 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,700 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,702 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,703 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,705 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,707 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,709 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,710 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,711 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,717 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,718 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,720 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,721 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,723 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,724 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,725 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,727 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,728 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,729 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,734 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,736 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,737 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,739 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,740 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,742 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,743 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,744 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,745 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,747 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 12:43:55,752 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2023-05-31 12:43:55,753 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,754 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,755 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,756 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,757 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,759 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,760 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,761 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 12:43:55,762 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: false [2023-05-31 12:43:55,766 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,767 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,768 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,769 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,770 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,771 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,772 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,773 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,774 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,774 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:55,821 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:55 HornClauseAST [2023-05-31 12:43:55,821 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 12:43:55,821 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 12:43:55,821 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 12:43:55,822 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 12:43:55,822 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:55" (1/1) ... [2023-05-31 12:43:55,823 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_UID12175452321644017434.smt2 [2023-05-31 12:43:55,853 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 12:43:55,854 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 12:43:55,854 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 12:43:55,854 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 12:43:55,855 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:55" (1/1) ... [2023-05-31 12:44:07,918 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.05 12:44:07 ChcSolution [2023-05-31 12:44:07,918 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-05-31 12:44:07,920 INFO L158 Benchmark]: Toolchain (without parser) took 12998.13ms. Allocated memory is still 436.2MB. Free memory was 413.1MB in the beginning and 362.1MB in the end (delta: 51.0MB). Peak memory consumption was 52.7MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,920 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 436.2MB. Free memory was 414.3MB in the beginning and 414.1MB in the end (delta: 157.6kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:07,921 INFO L158 Benchmark]: Boogie Preprocessor took 25.92ms. Allocated memory is still 436.2MB. Free memory was 413.1MB in the beginning and 411.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,922 INFO L158 Benchmark]: RCFGBuilder took 213.08ms. Allocated memory is still 436.2MB. Free memory was 411.3MB in the beginning and 402.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,922 INFO L158 Benchmark]: IcfgToChc took 658.84ms. Allocated memory is still 436.2MB. Free memory was 402.7MB in the beginning and 380.0MB in the end (delta: 22.8MB). Peak memory consumption was 21.2MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,923 INFO L158 Benchmark]: ChcSmtPrinter took 31.74ms. Allocated memory is still 436.2MB. Free memory was 380.0MB in the beginning and 374.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,924 INFO L158 Benchmark]: ChcSolver took 12064.71ms. Allocated memory is still 436.2MB. Free memory was 374.7MB in the beginning and 362.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-05-31 12:44:07,926 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 0.16ms. Allocated memory is still 436.2MB. Free memory was 414.3MB in the beginning and 414.1MB in the end (delta: 157.6kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 25.92ms. Allocated memory is still 436.2MB. Free memory was 413.1MB in the beginning and 411.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * RCFGBuilder took 213.08ms. Allocated memory is still 436.2MB. Free memory was 411.3MB in the beginning and 402.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 658.84ms. Allocated memory is still 436.2MB. Free memory was 402.7MB in the beginning and 380.0MB in the end (delta: 22.8MB). Peak memory consumption was 21.2MB. Max. memory is 15.0GB. * ChcSmtPrinter took 31.74ms. Allocated memory is still 436.2MB. Free memory was 380.0MB in the beginning and 374.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSolver took 12064.71ms. Allocated memory is still 436.2MB. Free memory was 374.7MB in the beginning and 362.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnknownResult: UNKNOWN CHC solver returned UNKNOWN. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-31 12:44:07,982 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 Received shutdown request...