/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-ff2fe87-m [2023-06-06 15:30:25,013 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-06 15:30:25,092 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/ThreadModularVerifier.Settings.epf [2023-06-06 15:30:25,102 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-06 15:30:25,104 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-06 15:30:25,104 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-06 15:30:25,104 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-06 15:30:25,105 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-06 15:30:25,105 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-06 15:30:25,111 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-06 15:30:25,111 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-06 15:30:25,112 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-06 15:30:25,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-06 15:30:25,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-06 15:30:25,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-06 15:30:25,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-06 15:30:25,333 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-06 15:30:25,334 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-06 15:30:25,335 INFO L431 ainManager$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 [2023-06-06 15:30:25,335 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2023-06-06 15:30:25,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-06 15:30:25,358 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-06 15:30:25,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-06 15:30:25,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-06 15:30:25,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-06 15:30:25,374 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,376 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,382 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,383 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,386 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,386 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,387 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,388 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-06 15:30:25,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-06 15:30:25,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-06 15:30:25,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-06 15:30:25,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-06 15:30:25,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-06 15:30:25,418 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 15:30:25,433 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 15:30:25,459 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-06 15:30:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-06 15:30:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-06 15:30:25,501 INFO L236 CfgBuilder]: Building ICFG [2023-06-06 15:30:25,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-06 15:30:25,506 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-06 15:30:25,582 INFO L277 CfgBuilder]: Performing block encoding [2023-06-06 15:30:25,594 INFO L294 CfgBuilder]: Using library mode [2023-06-06 15:30:25,594 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-06 15:30:25,598 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:30:25 BoogieIcfgContainer [2023-06-06 15:30:25,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-06 15:30:25,600 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-06 15:30:25,600 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-06 15:30:25,600 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-06 15:30:25,602 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 06.06 03:30:25" (1/1) ... [2023-06-06 15:30:25,803 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,806 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,809 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,811 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,813 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,817 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,822 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,825 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,829 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,834 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:25,863 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2023-06-06 15:30:25,870 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,876 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,879 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,886 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,894 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,896 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,897 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,901 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,903 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-06-06 15:30:25,912 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,917 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,920 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,922 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,924 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,927 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,929 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,931 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,934 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,936 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,944 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,947 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,949 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,951 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,953 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,955 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,957 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,959 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,962 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,964 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,977 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,990 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,996 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:25,998 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,011 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,013 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,015 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,017 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,018 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,020 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,034 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,036 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,050 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,052 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,053 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,055 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,057 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,058 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,060 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,061 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-06-06 15:30:26,067 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,068 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,070 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,074 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,075 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,081 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,083 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,084 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,091 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,093 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,099 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,105 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,107 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,108 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,110 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,113 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,115 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,119 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,122 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,123 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,133 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,135 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,137 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,140 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,142 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,144 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,146 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,148 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,149 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,151 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,157 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,163 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,164 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,167 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,169 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,172 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,173 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,175 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,177 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,178 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-06-06 15:30:26,186 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2023-06-06 15:30:26,187 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,190 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,191 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,192 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,193 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,195 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,199 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,201 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-06-06 15:30:26,202 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: false [2023-06-06 15:30:26,209 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,210 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,212 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,213 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,214 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,215 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,216 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,217 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,218 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,219 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-06 15:30:26,267 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:26 HornClauseAST [2023-06-06 15:30:26,267 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-06 15:30:26,268 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-06 15:30:26,268 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-06 15:30:26,268 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-06 15:30:26,269 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:26" (1/1) ... [2023-06-06 15:30:26,269 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_UID2398432217262682631.smt2 [2023-06-06 15:30:26,296 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-06 15:30:26,296 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-06 15:30:26,297 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-06 15:30:26,297 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-06 15:30:26,298 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 06.06 03:30:26" (1/1) ... [2023-06-06 15:30:26,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-06-06 15:30:26,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-06 15:30:26,305 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 15:30:26,311 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 15:42:24,716 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 06.06 03:42:24 ChcSolution [2023-06-06 15:42:24,716 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-06 15:42:24,718 INFO L158 Benchmark]: Toolchain (without parser) took 719359.61ms. Allocated memory is still 385.9MB. Free memory was 338.5MB in the beginning and 297.7MB in the end (delta: 40.8MB). Peak memory consumption was 43.4MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,719 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 385.9MB. Free memory is still 339.6MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-06 15:42:24,719 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 385.9MB. Free memory was 338.5MB in the beginning and 336.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,720 INFO L158 Benchmark]: RCFGBuilder took 208.83ms. Allocated memory is still 385.9MB. Free memory was 336.7MB in the beginning and 328.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,720 INFO L158 Benchmark]: IcfgToChc took 667.26ms. Allocated memory is still 385.9MB. Free memory was 328.0MB in the beginning and 325.5MB in the end (delta: 2.5MB). Peak memory consumption was 30.8MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,721 INFO L158 Benchmark]: ChcSmtPrinter took 28.33ms. Allocated memory is still 385.9MB. Free memory was 325.5MB in the beginning and 320.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,721 INFO L158 Benchmark]: ChcSolver took 718420.13ms. Allocated memory is still 385.9MB. Free memory was 320.3MB in the beginning and 297.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 15.0GB. [2023-06-06 15:42:24,724 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 385.9MB. Free memory is still 339.6MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 385.9MB. Free memory was 338.5MB in the beginning and 336.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 208.83ms. Allocated memory is still 385.9MB. Free memory was 336.7MB in the beginning and 328.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 667.26ms. Allocated memory is still 385.9MB. Free memory was 328.0MB in the beginning and 325.5MB in the end (delta: 2.5MB). Peak memory consumption was 30.8MB. Max. memory is 15.0GB. * ChcSmtPrinter took 28.33ms. Allocated memory is still 385.9MB. Free memory was 325.5MB in the beginning and 320.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * ChcSolver took 718420.13ms. Allocated memory is still 385.9MB. Free memory was 320.3MB in the beginning and 297.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnsatResult: UNSAT The given horn clause set is UNSAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-06 15:42:24,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-06-06 15:42:24,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...