/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/ThreadModularUniHorn.xml -i ../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-645efe7-m [2023-05-31 18:20:57,705 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 18:20:57,761 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/ThreadModularVerifier.Settings.epf [2023-05-31 18:20:57,772 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 18:20:57,774 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 18:20:57,774 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 18:20:57,774 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 18:20:57,775 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 18:20:57,775 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 18:20:57,780 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 18:20:57,780 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 18:20:57,781 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 18:20:57,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-05-31 18:20:57,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 18:20:57,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 18:20:57,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 18:20:57,965 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 18:20:57,965 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 18:20:57,966 INFO L431 ainManager$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 [2023-05-31 18:20:57,966 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0-locked/inc-dec-eq0-locked.bpl' [2023-05-31 18:20:57,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 18:20:57,982 INFO L133 ToolchainWalker]: Walking toolchain with 8 elements. [2023-05-31 18:20:57,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 18:20:57,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 18:20:57,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 18:20:57,995 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:57,996 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:57,999 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:57,999 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,002 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,003 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,003 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,003 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 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 18:20:58,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 18:20:58,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 18:20:58,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 18:20:58,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:57" (1/1) ... [2023-05-31 18:20:58,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 18:20:58,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 18:20:58,026 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) [2023-05-31 18:20:58,033 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 [2023-05-31 18:20:58,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 18:20:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 18:20:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 18:20:58,091 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 18:20:58,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 18:20:58,095 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 18:20:58,164 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 18:20:58,174 INFO L294 CfgBuilder]: Using library mode [2023-05-31 18:20:58,175 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 18:20:58,178 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 06:20:58 BoogieIcfgContainer [2023-05-31 18:20:58,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 18:20:58,179 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 18:20:58,180 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 18:20:58,180 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 18:20:58,181 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 31.05 06:20:58" (1/1) ... [2023-05-31 18:20:58,345 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,347 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,349 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,351 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,353 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,354 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,356 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,358 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,360 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,361 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,379 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'assume !lock;lock := true;' is: false [2023-05-31 18:20:58,381 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,383 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,385 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,387 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,389 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,399 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,401 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,403 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,404 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'assume !lock;lock := true;' is: true [2023-05-31 18:20:58,412 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,416 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,417 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,419 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,421 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,423 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,425 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,427 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,429 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,431 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,438 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,439 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,441 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,442 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,444 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,446 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,447 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,449 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,451 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,452 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,457 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,459 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,461 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,462 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,464 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,465 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,467 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,468 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,469 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,471 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,475 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,476 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,478 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,479 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,480 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,481 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,483 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,484 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,485 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,487 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x + 1;' is: true [2023-05-31 18:20:58,491 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,492 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,493 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,495 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,496 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,501 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,518 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,520 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,521 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,522 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,526 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,527 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,529 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,530 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,531 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,532 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,533 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,535 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,536 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,537 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,541 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,542 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,544 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,545 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,546 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,547 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,548 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,549 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,550 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,552 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,555 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,556 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,557 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,559 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,560 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,561 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,562 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,563 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,564 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,565 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'x := x - 1;' is: true [2023-05-31 18:20:58,570 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and 'lock := false;' is: true [2023-05-31 18:20:58,571 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,572 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,573 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,574 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,574 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,575 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,576 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,577 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;' is: true [2023-05-31 18:20:58,578 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and 'lock := false;' is: false [2023-05-31 18:20:58,581 INFO L111 IndependenceChecker]: instantiated independence condition for 'lock := false;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,582 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,585 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,587 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,588 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,589 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,591 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,592 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,593 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,594 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:58,634 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:58 HornClauseAST [2023-05-31 18:20:58,635 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 18:20:58,635 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 18:20:58,636 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 18:20:58,636 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 18:20:58,636 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:58" (1/1) ... [2023-05-31 18:20:58,637 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_UID4255758314179023628.smt2 [2023-05-31 18:20:58,672 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 18:20:58,673 INFO L112 PluginConnector]: ------------------------ChcToBoogie---------------------------- [2023-05-31 18:20:58,673 INFO L270 PluginConnector]: Initializing ChcToBoogie... [2023-05-31 18:20:58,673 INFO L274 PluginConnector]: ChcToBoogie initialized [2023-05-31 18:20:58,674 INFO L184 PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:58" (1/1) ... [2023-05-31 18:20:58,746 INFO L201 PluginConnector]: Adding new model inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 31.05 06:20:58 Unit [2023-05-31 18:20:58,746 INFO L131 PluginConnector]: ------------------------ END ChcToBoogie---------------------------- [2023-05-31 18:20:58,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 18:20:58,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 18:20:58,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 18:20:58,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 31.05 06:20:58" (1/1) ... [2023-05-31 18:20:58,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0-locked.bpl de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 31.05 06:20:58" (1/1) ... [2023-05-31 18:20:58,748 ERROR L1136 TypeChecker]: null: Undeclared identifier freshIdentifier12 in IdentifierExpression[freshIdentifier12,QUANTIFIED] [2023-05-31 18:20:58,749 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.IllegalArgumentException: Location is null at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:80) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typeError(TypeChecker.java:1137) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckExpression(TypeChecker.java:253) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckExpression(TypeChecker.java:195) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckExpression(TypeChecker.java:195) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckExpression(TypeChecker.java:195) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:668) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:851) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:717) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:851) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:962) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1038) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-31 18:20:58,752 INFO L158 Benchmark]: Toolchain (without parser) took 768.45ms. Allocated memory was 331.4MB in the beginning and 530.6MB in the end (delta: 199.2MB). Free memory was 284.0MB in the beginning and 497.0MB in the end (delta: -213.0MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:58,752 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 331.4MB. Free memory was 285.1MB in the beginning and 284.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:58,753 INFO L158 Benchmark]: Boogie Preprocessor took 3.81ms. Allocated memory is still 530.6MB. Free memory was 497.1MB in the beginning and 497.0MB in the end (delta: 118.5kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:58,754 INFO L158 Benchmark]: RCFGBuilder took 173.76ms. Allocated memory is still 331.4MB. Free memory was 281.8MB in the beginning and 273.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-05-31 18:20:58,755 INFO L158 Benchmark]: IcfgToChc took 455.14ms. Allocated memory is still 331.4MB. Free memory was 273.4MB in the beginning and 255.4MB in the end (delta: 18.0MB). Peak memory consumption was 21.0MB. Max. memory is 15.0GB. [2023-05-31 18:20:58,755 INFO L158 Benchmark]: ChcSmtPrinter took 37.21ms. Allocated memory is still 331.4MB. Free memory was 255.4MB in the beginning and 249.9MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-05-31 18:20:58,756 INFO L158 Benchmark]: ChcToBoogie took 73.50ms. Allocated memory was 331.4MB in the beginning and 530.6MB in the end (delta: 199.2MB). Free memory was 249.9MB in the beginning and 497.1MB in the end (delta: -247.3MB). Peak memory consumption was 12.1MB. Max. memory is 15.0GB. [2023-05-31 18:20:58,761 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 0.12ms. Allocated memory is still 331.4MB. Free memory was 285.1MB in the beginning and 284.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 3.81ms. Allocated memory is still 530.6MB. Free memory was 497.1MB in the beginning and 497.0MB in the end (delta: 118.5kB). There was no memory consumed. Max. memory is 15.0GB. * RCFGBuilder took 173.76ms. Allocated memory is still 331.4MB. Free memory was 281.8MB in the beginning and 273.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 455.14ms. Allocated memory is still 331.4MB. Free memory was 273.4MB in the beginning and 255.4MB in the end (delta: 18.0MB). Peak memory consumption was 21.0MB. Max. memory is 15.0GB. * ChcSmtPrinter took 37.21ms. Allocated memory is still 331.4MB. Free memory was 255.4MB in the beginning and 249.9MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcToBoogie took 73.50ms. Allocated memory was 331.4MB in the beginning and 530.6MB in the end (delta: 199.2MB). Free memory was 249.9MB in the beginning and 497.1MB in the end (delta: -247.3MB). Peak memory consumption was 12.1MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: IllegalArgumentException: Location is null de.uni_freiburg.informatik.ultimate.boogie.preprocessor: IllegalArgumentException: Location is null: de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-31 18:20:58,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...