/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 TREEAUTOMIZER --chcsolver.produce.chc.model.if.query.is.sat false --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat true --rcfgbuilder.smt.solver Internal_SMTInterpol -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 18:49:39,820 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 18:49:39,902 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 18:49:39,910 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 18:49:39,912 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 18:49:39,912 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 18:49:39,912 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 18:49:39,913 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 18:49:39,913 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 18:49:39,918 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 18:49:39,918 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 18:49:39,919 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 18:49:39,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMT solver -> Internal_SMTInterpol [2023-07-03 18:49:40,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 18:49:40,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 18:49:40,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 18:49:40,192 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 18:49:40,193 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 18:49:40,195 INFO L431 ainManager$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 18:49:40,195 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 18:49:40,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 18:49:40,214 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 18:49:40,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 18:49:40,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 18:49:40,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 18:49:40,226 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,227 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,231 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,231 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,233 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,233 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,234 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,234 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 18:49:40,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 18:49:40,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 18:49:40,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 18:49:40,237 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-07-03 18:49:40,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-07-03 18:49:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-07-03 18:49:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-07-03 18:49:40,329 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 18:49:40,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 18:49:40,333 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 18:49:40,390 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 18:49:40,399 INFO L294 CfgBuilder]: Using library mode [2023-07-03 18:49:40,399 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 18:49:40,401 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 06:49:40 BoogieIcfgContainer [2023-07-03 18:49:40,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 18:49:40,402 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 18:49:40,402 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 18:49:40,402 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 18:49:40,404 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 06:49:40" (1/1) ... [2023-07-03 18:49:40,591 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2023-07-03 18:49:40,594 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,596 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,598 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,601 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,603 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,605 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,607 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,609 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,611 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,626 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: false [2023-07-03 18:49:40,628 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,631 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,633 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,636 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,638 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,640 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,643 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,645 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,646 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,653 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,659 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,661 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,663 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,699 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,702 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,705 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,722 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,731 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,733 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,739 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,740 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,743 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,744 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,746 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,749 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,751 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,753 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,756 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,757 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,763 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,765 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,767 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,768 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,770 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,772 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,774 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,776 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,779 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,780 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,786 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,787 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,789 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,790 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,792 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,794 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,796 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,797 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,799 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,801 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,805 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,807 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,809 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,811 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,813 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,814 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,817 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,818 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,819 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,821 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,829 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,831 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,832 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,834 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,835 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,844 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,852 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,858 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,859 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,860 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,866 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,868 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,869 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,871 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,872 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,880 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,882 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,884 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,887 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,895 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,898 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-07-03 18:49:40,900 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,901 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,902 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,907 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,917 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,919 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,920 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,921 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,922 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:40,935 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2023-07-03 18:49:40,937 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,939 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,940 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,941 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-07-03 18:49:40,942 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,945 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,947 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,948 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-07-03 18:49:40,949 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2023-07-03 18:49:40,951 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2023-07-03 18:49:40,952 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,953 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,954 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,955 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 18:49:40,956 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,965 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,966 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,967 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 18:49:40,968 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2023-07-03 18:49:41,014 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 06:49:41 HornClauseAST [2023-07-03 18:49:41,014 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 18:49:41,014 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 18:49:41,015 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 18:49:41,015 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 18:49:41,015 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 06:49:41" (1/1) ... [2023-07-03 18:49:41,017 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_UID16733817657407915594.smt2 [2023-07-03 18:49:41,070 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 18:49:41,070 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 18:49:41,071 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 18:49:41,071 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 18:49:41,072 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 06:49:41" (1/1) ... [2023-07-03 18:49:41,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier Received shutdown request... [2023-07-03 19:19:05,640 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 19:19:05,642 INFO L158 Benchmark]: Toolchain (without parser) took 1765427.82ms. Allocated memory was 364.9MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 322.1MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. Max. memory is 15.0GB. [2023-07-03 19:19:05,643 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 364.9MB. Free memory is still 323.1MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 19:19:05,643 INFO L158 Benchmark]: Boogie Preprocessor took 20.72ms. Allocated memory is still 364.9MB. Free memory was 322.0MB in the beginning and 320.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 19:19:05,644 INFO L158 Benchmark]: RCFGBuilder took 164.94ms. Allocated memory is still 364.9MB. Free memory was 320.1MB in the beginning and 311.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 19:19:05,645 INFO L158 Benchmark]: IcfgToChc took 612.35ms. Allocated memory is still 364.9MB. Free memory was 311.4MB in the beginning and 304.1MB in the end (delta: 7.3MB). Peak memory consumption was 17.7MB. Max. memory is 15.0GB. [2023-07-03 19:19:05,645 INFO L158 Benchmark]: ChcSmtPrinter took 55.46ms. Allocated memory is still 364.9MB. Free memory was 304.1MB in the beginning and 300.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-07-03 19:19:05,647 INFO L158 Benchmark]: ChcSolver took 1764570.70ms. Allocated memory was 364.9MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 300.4MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. Max. memory is 15.0GB. [2023-07-03 19:19:05,649 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 0.14ms. Allocated memory is still 364.9MB. Free memory is still 323.1MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 20.72ms. Allocated memory is still 364.9MB. Free memory was 322.0MB in the beginning and 320.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 164.94ms. Allocated memory is still 364.9MB. Free memory was 320.1MB in the beginning and 311.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 612.35ms. Allocated memory is still 364.9MB. Free memory was 311.4MB in the beginning and 304.1MB in the end (delta: 7.3MB). Peak memory consumption was 17.7MB. Max. memory is 15.0GB. * ChcSmtPrinter took 55.46ms. Allocated memory is still 364.9MB. Free memory was 304.1MB in the beginning and 300.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * ChcSolver took 1764570.70ms. Allocated memory was 364.9MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 300.4MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. 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 TreeAutomizerCEGAR was refining abstraction,while Minimize was minimizing tree automaton,while Totalize was totalizing tree automaton with 35 nodes. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown