/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/lock/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --chcsolver.chc.solver.backend Z3 --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false --icfgtochc.skip.assert.edges false -i ../../../trunk/examples/threadmodular/regression/lock/lock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 13:00:32,060 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 13:00:32,130 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf [2023-07-03 13:00:32,139 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 13:00:32,141 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 13:00:32,141 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 13:00:32,142 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 13:00:32,142 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 13:00:32,143 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 13:00:32,147 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 13:00:32,148 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 13:00:32,148 INFO L137 SettingsManager]: * Thread-Modular Proof Level=1 [2023-07-03 13:00:32,148 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-07-03 13:00:32,150 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 13:00:32,150 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 13:00:32,150 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 13:00:32,151 INFO L137 SettingsManager]: * File name=CHC_conditional WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Skip assert edges -> false [2023-07-03 13:00:32,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 13:00:32,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 13:00:32,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 13:00:32,398 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 13:00:32,400 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 13:00:32,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl [2023-07-03 13:00:32,401 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl' [2023-07-03 13:00:32,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 13:00:32,424 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 13:00:32,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 13:00:32,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 13:00:32,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 13:00:32,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 13:00:32,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 13:00:32,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 13:00:32,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 13:00:32,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 13:00:32,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 13:00:32,486 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) [2023-07-03 13:00:32,508 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 [2023-07-03 13:00:32,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-07-03 13:00:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-07-03 13:00:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-07-03 13:00:32,605 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 13:00:32,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 13:00:32,610 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 13:00:32,662 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 13:00:32,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-07-03 13:00:32,675 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 13:00:32,676 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 01:00:32 BoogieIcfgContainer [2023-07-03 13:00:32,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 13:00:32,677 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 13:00:32,677 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 13:00:32,678 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 13:00:32,680 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 01:00:32" (1/1) ... [2023-07-03 13:00:32,869 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-07-03 13:00:32,873 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:32,874 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:32,875 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-07-03 13:00:32,878 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 13:00:32,880 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 13:00:32,882 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 13:00:32,884 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 13:00:32,887 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:32,894 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'assume true;' is: true [2023-07-03 13:00:32,974 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'lock := false;ctr := ctr - 1;' is: false [2023-07-03 13:00:33,049 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'assume !(ctr < 2);' is: (<= 2 ctr) [2023-07-03 13:00:33,051 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,053 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,056 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,059 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,061 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,063 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !lock;lock := true;ctr := ctr + 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,067 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,069 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,071 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,073 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,076 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,078 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,081 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,083 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,085 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,089 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,091 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,093 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,094 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,097 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,099 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,101 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,103 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,106 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,109 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,111 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,113 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,115 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,117 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,119 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,121 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,123 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,129 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,137 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,147 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,149 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,150 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-07-03 13:00:33,153 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,155 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,159 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,165 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,167 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,170 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'assume true;' is: true [2023-07-03 13:00:33,197 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'lock := false;ctr := ctr - 1;' is: (<= 3 ctr) [2023-07-03 13:00:33,199 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,200 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'assume true;' is: true [2023-07-03 13:00:33,201 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'x := x + 1;' is: true [2023-07-03 13:00:33,202 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'x := x + 1;' is: true [2023-07-03 13:00:33,204 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'x := x + 1;' is: true [2023-07-03 13:00:33,206 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'x := x + 1;' is: true [2023-07-03 13:00:33,207 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume !(ctr < 2);' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,209 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-07-03 13:00:33,211 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,212 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,212 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-07-03 13:00:33,213 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,214 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,216 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,217 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,218 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,220 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'assume true;' is: true [2023-07-03 13:00:33,224 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,225 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,227 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'assume true;' is: true [2023-07-03 13:00:33,228 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,230 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,232 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,233 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,251 INFO L180 IndependenceChecker]: instantiated independence condition for 'lock := false;ctr := ctr - 1;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: false [2023-07-03 13:00:33,253 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-07-03 13:00:33,254 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'lock := false;ctr := ctr - 1;' is: true [2023-07-03 13:00:33,255 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume !(ctr < 2);' is: true [2023-07-03 13:00:33,256 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-07-03 13:00:33,257 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,258 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,259 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,260 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-07-03 13:00:33,261 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume !lock;lock := true;ctr := ctr + 1;' is: true [2023-07-03 13:00:33,278 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 01:00:33 HornClauseAST [2023-07-03 13:00:33,278 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 13:00:33,278 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 13:00:33,279 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 13:00:33,279 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 13:00:33,281 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 01:00:33" (1/1) ... [2023-07-03 13:00:33,283 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/CHC_conditional_lock.bpl_UID15728009682505187736.smt2 [2023-07-03 13:00:33,300 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 13:00:33,304 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 13:00:33,304 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 13:00:33,304 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 13:00:33,306 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 01:00:33" (1/1) ... [2023-07-03 13:00:33,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-07-03 13:00:33,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 13:00:33,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 13:00:33,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-07-03 13:00:33,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-07-03 13:00:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 13:00:33,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 13:00:33,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-07-03 13:00:33,534 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-07-03 13:00:33,534 INFO L176 ChcSolverObserver]: (define-fun (Inv Bool Int Int Bool Int Bool) ((x!0 Bool) (x!1 Int) (x!2 Int) (x!3 Bool) (x!4 Int) ) Bool (and (or (< x!2 1) x!0) (not (= 7 x!4)) (< x!2 2))) [2023-07-03 13:00:33,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-07-03 13:00:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 13:00:33,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 13:00:33,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-07-03 13:00:33,547 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 01:00:33 ChcSolution [2023-07-03 13:00:33,547 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 13:00:33,549 INFO L158 Benchmark]: Toolchain (without parser) took 1124.33ms. Allocated memory is still 329.3MB. Free memory was 287.3MB in the beginning and 264.5MB in the end (delta: 22.8MB). Peak memory consumption was 24.8MB. Max. memory is 15.0GB. [2023-07-03 13:00:33,549 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 329.3MB. Free memory is still 288.3MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 13:00:33,550 INFO L158 Benchmark]: Boogie Preprocessor took 29.09ms. Allocated memory is still 329.3MB. Free memory was 287.3MB in the beginning and 285.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 13:00:33,550 INFO L158 Benchmark]: RCFGBuilder took 221.19ms. Allocated memory is still 329.3MB. Free memory was 285.4MB in the beginning and 276.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 13:00:33,551 INFO L158 Benchmark]: IcfgToChc took 600.64ms. Allocated memory is still 329.3MB. Free memory was 276.6MB in the beginning and 276.5MB in the end (delta: 160.8kB). Peak memory consumption was 20.7MB. Max. memory is 15.0GB. [2023-07-03 13:00:33,551 INFO L158 Benchmark]: ChcSmtPrinter took 21.88ms. Allocated memory is still 329.3MB. Free memory was 276.5MB in the beginning and 275.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 13:00:33,551 INFO L158 Benchmark]: ChcSolver took 243.17ms. Allocated memory is still 329.3MB. Free memory was 274.4MB in the beginning and 264.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 13:00:33,554 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 0.17ms. Allocated memory is still 329.3MB. Free memory is still 288.3MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 29.09ms. Allocated memory is still 329.3MB. Free memory was 287.3MB in the beginning and 285.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 221.19ms. Allocated memory is still 329.3MB. Free memory was 285.4MB in the beginning and 276.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 600.64ms. Allocated memory is still 329.3MB. Free memory was 276.6MB in the beginning and 276.5MB in the end (delta: 160.8kB). Peak memory consumption was 20.7MB. Max. memory is 15.0GB. * ChcSmtPrinter took 21.88ms. Allocated memory is still 329.3MB. Free memory was 276.5MB in the beginning and 275.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 243.17ms. Allocated memory is still 329.3MB. Free memory was 274.4MB in the beginning and 264.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcSatResult: SAT The given horn clause set is SAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-07-03 13:00:33,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-07-03 13:00:33,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...