/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-assert/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-assert/inc-dec-eq0-locked-assert.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-ff2fe87-m [2023-06-06 15:30:18,961 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-06 15:30:19,015 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked-assert/ThreadModularVerifier.Settings.epf [2023-06-06 15:30:19,021 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-06 15:30:19,022 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-06 15:30:19,022 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-06 15:30:19,023 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-06 15:30:19,023 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-06 15:30:19,023 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-06 15:30:19,028 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-06 15:30:19,028 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-06 15:30:19,029 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-06 15:30:19,029 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-06 15:30:19,030 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-06 15:30:19,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-06 15:30:19,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-06 15:30:19,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-06 15:30:19,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-06 15:30:19,227 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-06 15:30:19,227 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-06 15:30:19,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked-assert/inc-dec-eq0-locked-assert.bpl [2023-06-06 15:30:19,229 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked-assert/inc-dec-eq0-locked-assert.bpl' [2023-06-06 15:30:19,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-06 15:30:19,245 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-06 15:30:19,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-06 15:30:19,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-06 15:30:19,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-06 15:30:19,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-06 15:30:19,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-06 15:30:19,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-06 15:30:19,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-06 15:30:19,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-06 15:30:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-06 15:30:19,289 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) [2023-06-06 15:30:19,300 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 [2023-06-06 15:30:19,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-06 15:30:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-06 15:30:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-06 15:30:19,354 INFO L236 CfgBuilder]: Building ICFG [2023-06-06 15:30:19,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-06 15:30:19,358 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-06 15:30:19,404 INFO L277 CfgBuilder]: Performing block encoding [2023-06-06 15:30:19,410 INFO L294 CfgBuilder]: Using library mode [2023-06-06 15:30:19,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-06 15:30:19,412 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:30:19 BoogieIcfgContainer [2023-06-06 15:30:19,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-06 15:30:19,413 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-06 15:30:19,413 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-06 15:30:19,413 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-06 15:30:19,414 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,577 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,579 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,581 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,582 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,583 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,585 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,586 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,588 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,590 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,591 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,593 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:19,625 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'assume !lock;lock := true;' is: false [2023-06-06 15:30:19,628 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,633 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,636 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,639 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,640 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,649 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,652 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,655 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,656 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,659 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:19,666 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,670 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,672 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,673 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,675 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,677 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,679 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,681 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,683 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,684 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,686 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,692 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,694 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,695 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,697 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,698 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,700 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,701 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,703 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,705 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,706 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,708 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,729 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,731 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,733 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,734 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,735 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,737 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,738 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,740 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,741 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,742 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,744 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,749 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,751 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,752 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,753 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,755 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,756 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,762 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,766 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,768 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,769 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,772 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:19,786 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,787 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,789 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,789 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,791 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,792 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,796 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,797 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,798 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,799 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,800 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,804 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,805 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,807 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,808 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,809 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,810 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,811 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,813 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,814 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,815 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,816 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,819 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,820 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,822 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,823 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,824 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,825 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,826 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,827 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,828 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,829 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,830 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,833 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,834 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,837 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,839 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,843 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,845 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,847 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,849 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,850 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,851 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,853 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:19,858 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,859 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,862 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,863 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,865 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,866 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,867 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,868 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,870 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,872 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume true;lock := false;' is: false [2023-06-06 15:30:19,875 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;lock := false;' is: true [2023-06-06 15:30:19,880 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;lock := false;' and 'assume true;' is: true [2023-06-06 15:30:19,883 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-06 15:30:19,888 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-06 15:30:19,888 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-06 15:30:19,892 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-06 15:30:19,900 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-06 15:30:19,901 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-06 15:30:19,902 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-06 15:30:19,903 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-06 15:30:19,904 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume true;' is: true [2023-06-06 15:30:19,904 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-06 15:30:19,935 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:19 HornClauseAST [2023-06-06 15:30:19,935 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-06 15:30:19,936 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-06 15:30:19,936 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-06 15:30:19,936 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-06 15:30:19,936 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,937 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked-assert/CHC_inc-dec-eq0-locked-assert.bpl_UID13864906869538046582.smt2 [2023-06-06 15:30:19,972 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-06 15:30:19,972 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-06 15:30:19,972 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-06 15:30:19,973 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-06 15:30:19,974 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked-assert.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:19" (1/1) ... [2023-06-06 15:30:19,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-06-06 15:30:19,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-06 15:30:19,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-06-06 15:30:19,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-06-06 15:33:52,307 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:271) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseGetModelResult(Executor.java:306) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getModel(Scriptor.java:240) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getModel(WrapperScript.java:348) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getModel(WrapperScript.java:348) at de.uni_freiburg.informatik.ultimate.lib.chc.SmtChcScript.getModel(SmtChcScript.java:128) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.createSatResult(ChcSolverObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.createResult(ChcSolverObserver.java:159) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.process(ChcSolverObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1860) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 21 more [2023-06-06 15:33:52,315 INFO L158 Benchmark]: Toolchain (without parser) took 213068.75ms. Allocated memory was 419.4MB in the beginning and 713.0MB in the end (delta: 293.6MB). Free memory was 365.8MB in the beginning and 654.2MB in the end (delta: -288.4MB). Peak memory consumption was 49.1MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,317 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 419.4MB. Free memory was 366.9MB in the beginning and 366.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-06 15:33:52,318 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 419.4MB. Free memory was 365.8MB in the beginning and 363.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,318 INFO L158 Benchmark]: RCFGBuilder took 148.54ms. Allocated memory is still 419.4MB. Free memory was 363.9MB in the beginning and 354.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,319 INFO L158 Benchmark]: IcfgToChc took 522.64ms. Allocated memory is still 419.4MB. Free memory was 354.5MB in the beginning and 336.3MB in the end (delta: 18.2MB). Peak memory consumption was 19.7MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,320 INFO L158 Benchmark]: ChcSmtPrinter took 36.22ms. Allocated memory is still 419.4MB. Free memory was 336.3MB in the beginning and 330.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,320 INFO L158 Benchmark]: ChcSolver took 212340.37ms. Allocated memory was 419.4MB in the beginning and 713.0MB in the end (delta: 293.6MB). Free memory was 330.8MB in the beginning and 654.2MB in the end (delta: -323.4MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-06-06 15:33:52,322 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 0.21ms. Allocated memory is still 419.4MB. Free memory was 366.9MB in the beginning and 366.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 419.4MB. Free memory was 365.8MB in the beginning and 363.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 148.54ms. Allocated memory is still 419.4MB. Free memory was 363.9MB in the beginning and 354.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 522.64ms. Allocated memory is still 419.4MB. Free memory was 354.5MB in the beginning and 336.3MB in the end (delta: 18.2MB). Peak memory consumption was 19.7MB. Max. memory is 15.0GB. * ChcSmtPrinter took 36.22ms. Allocated memory is still 419.4MB. Free memory was 336.3MB in the beginning and 330.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSolver took 212340.37ms. Allocated memory was 419.4MB in the beginning and 713.0MB in the end (delta: 293.6MB). Free memory was 330.8MB in the beginning and 654.2MB in the end (delta: -323.4MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2) with exit command (exit)) Unexpected Exception while parsing No stderr output. de.uni_freiburg.informatik.ultimate.plugins.chcsolver: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2) with exit command (exit)) Unexpected Exception while parsing No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-06 15:33:52,537 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2023-06-06 15:33:52,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 137 [2023-06-06 15:33:52,567 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...