/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx22000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --icfgtochc.assume.program.has.a.precondition True --icfgtochc.specification.mode POSTCONDITION --icfgtochc.thread-modular.proof.level 2 --icfgtochc.preference.order.used.for.reduction SEQ_COMP -s ../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend ELDARICA --icfgtochc.use.nondeterministic.sleep.update.encoding true --icfgtochc.conditional.independence NECESSARY_AND_SUFFICIENT -i ../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2025-01-03 23:48:24,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-03 23:48:24,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/../ThreadModularVerifier.Settings.epf [2025-01-03 23:48:24,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-03 23:48:24,878 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-03 23:48:24,878 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-03 23:48:24,878 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-03 23:48:24,878 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-03 23:48:24,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-03 23:48:24,878 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-03 23:48:24,878 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-03 23:48:24,879 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-03 23:48:24,879 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-03 23:48:24,879 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-03 23:48:24,879 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-03 23:48:24,879 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-03 23:48:24,879 INFO L153 SettingsManager]: * File name=CHC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Assume program has a precondition -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Specification mode -> POSTCONDITION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Thread-Modular Proof Level -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Preference order used for reduction -> SEQ_COMP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use nondeterministic sleep update encoding -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2025-01-03 23:48:25,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-03 23:48:25,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-03 23:48:25,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-03 23:48:25,214 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-03 23:48:25,217 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-03 23:48:25,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl [2025-01-03 23:48:25,218 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2025-01-03 23:48:25,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-03 23:48:25,236 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-03 23:48:25,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-03 23:48:25,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-03 23:48:25,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-03 23:48:25,250 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,251 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,254 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,254 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,256 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,256 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,257 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,257 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-03 23:48:25,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-03 23:48:25,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-03 23:48:25,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-03 23:48:25,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-03 23:48:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-03 23:48:25,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-03 23:48:25,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-03 23:48:25,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2025-01-03 23:48:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-01-03 23:48:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-01-03 23:48:25,372 INFO L234 CfgBuilder]: Building ICFG [2025-01-03 23:48:25,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-03 23:48:25,377 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-03 23:48:25,431 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-03 23:48:25,431 INFO L283 CfgBuilder]: Performing block encoding [2025-01-03 23:48:25,442 INFO L304 CfgBuilder]: Using library mode [2025-01-03 23:48:25,442 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-03 23:48:25,443 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 11:48:25 BoogieIcfgContainer [2025-01-03 23:48:25,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-03 23:48:25,444 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-03 23:48:25,444 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-03 23:48:25,444 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-03 23:48:25,445 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 03.01 11:48:25" (1/1) ... [2025-01-03 23:48:25,503 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2025-01-03 23:48:25,510 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:25,520 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:25,525 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:25,535 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:25,544 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:25,551 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:25,557 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:25,564 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:25,593 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:25,619 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: lock [2025-01-03 23:48:25,644 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,660 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,681 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,694 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,712 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,726 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,738 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,755 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,757 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:25,781 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-03 23:48:25,790 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,796 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,804 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,811 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,818 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,824 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,831 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,840 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,856 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:25,874 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-03 23:48:25,879 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,886 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,909 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,913 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,917 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,921 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,925 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,929 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,939 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:25,950 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-03 23:48:25,954 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,957 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,961 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,964 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:25,968 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,972 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,976 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,979 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:25,989 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:25,999 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-03 23:48:26,003 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,006 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,013 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,016 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,020 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,023 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,027 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,030 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,039 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,049 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-03 23:48:26,053 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,056 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,059 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,063 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,066 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,069 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,072 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,075 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,088 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,100 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-03 23:48:26,103 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,107 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,112 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,116 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,119 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,124 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,127 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,130 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,140 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,150 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-03 23:48:26,153 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,157 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,160 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,164 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,167 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,170 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,174 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,180 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,191 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,203 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-03 23:48:26,207 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,211 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,215 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,219 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,223 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,227 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,230 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,236 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,244 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,252 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2025-01-03 23:48:26,259 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,265 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,270 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,278 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-03 23:48:26,283 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,290 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,296 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,304 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-03 23:48:26,310 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2025-01-03 23:48:26,316 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2025-01-03 23:48:26,319 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:26,322 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:26,325 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:26,327 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-03 23:48:26,330 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:26,336 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:26,342 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:26,345 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-03 23:48:26,350 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2025-01-03 23:48:26,393 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:48:26 HornClauseAST [2025-01-03 23:48:26,393 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-03 23:48:26,394 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-03 23:48:26,394 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-03 23:48:26,394 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-03 23:48:26,395 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:48:26" (1/1) ... [2025-01-03 23:48:26,397 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/CHC_inc-dec-eq0-locked.bpl_UID3949715534264210496.smt2 [2025-01-03 23:48:26,443 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-03 23:48:26,443 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-03 23:48:26,443 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-03 23:48:26,444 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-03 23:48:26,446 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:48:26" (1/1) ... [2025-01-03 23:48:26,447 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_6883045751046627800.smt2 [2025-01-03 23:48:26,470 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-03 23:48:26,471 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-03 23:48:26,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_6883045751046627800.smt2 (exit command is null, workingDir is null) [2025-01-03 23:48:26,482 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6883045751046627800.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 00:45:16,979 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 04.01 12:45:16 ChcSolution [2025-01-04 00:45:16,980 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-04 00:45:16,982 INFO L158 Benchmark]: Toolchain (without parser) took 3411744.78ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 148.2MB in the beginning and 190.8MB in the end (delta: -42.5MB). Peak memory consumption was 70.3MB. Max. memory is 22.0GB. [2025-01-04 00:45:16,982 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 167.8MB. Free memory was 149.1MB in the beginning and 149.1MB in the end (delta: 15.9kB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 00:45:16,982 INFO L158 Benchmark]: Boogie Preprocessor took 21.51ms. Allocated memory is still 167.8MB. Free memory was 148.2MB in the beginning and 146.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 00:45:16,983 INFO L158 Benchmark]: RCFGBuilder took 184.07ms. Allocated memory is still 167.8MB. Free memory was 146.8MB in the beginning and 139.0MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 00:45:16,983 INFO L158 Benchmark]: IcfgToChc took 949.45ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 94.1MB in the end (delta: 44.9MB). Peak memory consumption was 53.5MB. Max. memory is 22.0GB. [2025-01-04 00:45:16,983 INFO L158 Benchmark]: ChcSmtPrinter took 49.20ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 87.2MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 00:45:16,986 INFO L158 Benchmark]: ChcSolver took 3410536.80ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 87.2MB in the beginning and 190.8MB in the end (delta: -103.5MB). Peak memory consumption was 18.6MB. Max. memory is 22.0GB. [2025-01-04 00:45:16,988 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 0.25ms. Allocated memory is still 167.8MB. Free memory was 149.1MB in the beginning and 149.1MB in the end (delta: 15.9kB). There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 21.51ms. Allocated memory is still 167.8MB. Free memory was 148.2MB in the beginning and 146.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 184.07ms. Allocated memory is still 167.8MB. Free memory was 146.8MB in the beginning and 139.0MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 949.45ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 94.1MB in the end (delta: 44.9MB). Peak memory consumption was 53.5MB. Max. memory is 22.0GB. * ChcSmtPrinter took 49.20ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 87.2MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 3410536.80ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 87.2MB in the beginning and 190.8MB in the end (delta: -103.5MB). Peak memory consumption was 18.6MB. Max. memory is 22.0GB. * 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. [2025-01-04 00:45:16,996 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6883045751046627800.smt2 (2)] Forcibly destroying the process [2025-01-04 00:45:17,197 FATAL L548 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6883045751046627800.smt2 (2)] Could not destroy process within 200 ms, abandoning it [2025-01-04 00:45:17,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...