/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.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 [2025-01-04 03:35:38,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-04 03:35:38,948 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 [2025-01-04 03:35:38,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-04 03:35:38,960 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-04 03:35:38,960 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-04 03:35:38,960 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-04 03:35:38,960 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-04 03:35:38,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-04 03:35:38,960 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-04 03:35:38,960 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-04 03:35:38,961 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-04 03:35:38,961 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-04 03:35:38,961 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-04 03:35:38,961 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-04 03:35:38,961 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-04 03:35:38,961 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: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2025-01-04 03:35:39,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-04 03:35:39,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-04 03:35:39,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-04 03:35:39,262 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-04 03:35:39,263 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-04 03:35:39,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl [2025-01-04 03:35:39,264 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2025-01-04 03:35:39,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-04 03:35:39,279 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-04 03:35:39,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-04 03:35:39,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-04 03:35:39,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-04 03:35:39,292 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,293 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,297 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,297 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,299 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,299 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,300 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,300 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,301 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-04 03:35:39,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-04 03:35:39,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-04 03:35:39,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-04 03:35:39,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-04 03:35:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-04 03:35:39,328 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) [2025-01-04 03:35:39,334 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 [2025-01-04 03:35:39,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2025-01-04 03:35:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-01-04 03:35:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-01-04 03:35:39,406 INFO L234 CfgBuilder]: Building ICFG [2025-01-04 03:35:39,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-04 03:35:39,411 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 03:35:39,476 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-04 03:35:39,477 INFO L283 CfgBuilder]: Performing block encoding [2025-01-04 03:35:39,487 INFO L304 CfgBuilder]: Using library mode [2025-01-04 03:35:39,488 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-04 03:35:39,488 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 03:35:39 BoogieIcfgContainer [2025-01-04 03:35:39,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-04 03:35:39,489 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-04 03:35:39,489 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-04 03:35:39,489 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-04 03:35:39,490 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 04.01 03:35:39" (1/1) ... [2025-01-04 03:35:39,564 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2025-01-04 03:35:39,573 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:39,583 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:39,588 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:39,594 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:39,598 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:39,603 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:39,608 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:39,614 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:39,626 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:39,668 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: lock [2025-01-04 03:35:39,695 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,710 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,726 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,739 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,752 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,765 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,777 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,790 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,792 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:39,816 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-04 03:35:39,823 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,830 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,837 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,841 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,852 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,859 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,865 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,879 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,910 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:39,924 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-04 03:35:39,930 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,935 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,940 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,947 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:39,953 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,958 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,963 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,968 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:39,982 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:39,996 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,001 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,004 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,008 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,012 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,015 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,019 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,022 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,026 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,034 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,043 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,046 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,050 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,060 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,063 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,067 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,071 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,074 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,077 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,086 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,098 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,103 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,108 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,113 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,116 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,120 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,124 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,127 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,130 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,141 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,151 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,156 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,159 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,162 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,165 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,168 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,171 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,174 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,177 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,192 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,202 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,206 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,209 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,213 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,216 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,219 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,222 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,225 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,228 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,237 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,248 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2025-01-04 03:35:40,251 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,256 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,259 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,263 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,267 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,271 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,274 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,278 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,286 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,294 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2025-01-04 03:35:40,301 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,308 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,314 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,320 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2025-01-04 03:35:40,326 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,332 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,339 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,346 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2025-01-04 03:35:40,353 INFO L161 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2025-01-04 03:35:40,359 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;' is: true [2025-01-04 03:35:40,362 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:40,365 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:40,368 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:40,370 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:35:40,375 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:40,377 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:40,381 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:40,385 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:35:40,392 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;' is: true [2025-01-04 03:35:40,439 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:35:40 HornClauseAST [2025-01-04 03:35:40,439 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-04 03:35:40,440 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-04 03:35:40,440 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-04 03:35:40,440 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-04 03:35:40,441 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:35:40" (1/1) ... [2025-01-04 03:35:40,442 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_UID9348181688706517505.smt2 [2025-01-04 03:35:40,483 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-04 03:35:40,484 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-04 03:35:40,484 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-04 03:35:40,484 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-04 03:35:40,486 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:35:40" (1/1) ... [2025-01-04 03:35:40,487 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_11780076594332686824.smt2 [2025-01-04 03:35:40,518 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-04 03:35:40,518 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-04 03:35:40,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_11780076594332686824.smt2 (exit command is null, workingDir is null) [2025-01-04 03:35:40,529 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_11780076594332686824.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 04:59:33,791 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 04.01 04:59:33 ChcSolution [2025-01-04 04:59:33,791 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-04 04:59:33,794 INFO L158 Benchmark]: Toolchain (without parser) took 5034513.24ms. Allocated memory is still 167.8MB. Free memory was 144.9MB in the beginning and 139.9MB in the end (delta: 5.0MB). Peak memory consumption was 68.4MB. Max. memory is 22.0GB. [2025-01-04 04:59:33,795 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 04:59:33,795 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 167.8MB. Free memory was 144.9MB in the beginning and 143.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 04:59:33,795 INFO L158 Benchmark]: RCFGBuilder took 185.88ms. Allocated memory is still 167.8MB. Free memory was 143.5MB in the beginning and 135.7MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 04:59:33,795 INFO L158 Benchmark]: IcfgToChc took 950.67ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 90.0MB in the end (delta: 45.7MB). Peak memory consumption was 53.5MB. Max. memory is 22.0GB. [2025-01-04 04:59:33,796 INFO L158 Benchmark]: ChcSmtPrinter took 43.77ms. Allocated memory is still 167.8MB. Free memory was 90.0MB in the beginning and 84.8MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 04:59:33,796 INFO L158 Benchmark]: ChcSolver took 5033307.14ms. Allocated memory is still 167.8MB. Free memory was 84.8MB in the beginning and 139.9MB in the end (delta: -55.1MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-04 04:59:33,799 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 0.20ms. Allocated memory is still 167.8MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 167.8MB. Free memory was 144.9MB in the beginning and 143.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 185.88ms. Allocated memory is still 167.8MB. Free memory was 143.5MB in the beginning and 135.7MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 950.67ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 90.0MB in the end (delta: 45.7MB). Peak memory consumption was 53.5MB. Max. memory is 22.0GB. * ChcSmtPrinter took 43.77ms. Allocated memory is still 167.8MB. Free memory was 90.0MB in the beginning and 84.8MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 5033307.14ms. Allocated memory is still 167.8MB. Free memory was 84.8MB in the beginning and 139.9MB in the end (delta: -55.1MB). Peak memory consumption was 16.8MB. 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 04:59:33,807 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_11780076594332686824.smt2 (2)] Forcibly destroying the process [2025-01-04 04:59:33,958 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_11780076594332686824.smt2 (2)] Forceful destruction successful, exit code 137 [2025-01-04 04:59:33,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...