/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-bdec/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --chcsolver.chc.solver.backend Z3 --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false -i ../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-fe2097d-m [2023-05-31 12:43:50,675 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 12:43:50,769 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/ThreadModularVerifier.Settings.epf [2023-05-31 12:43:50,780 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 12:43:50,781 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 12:43:50,782 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 12:43:50,782 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 12:43:50,783 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 12:43:50,783 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 12:43:50,788 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-05-31 12:43:50,788 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-05-31 12:43:50,788 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 12:43:50,789 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 12:43:50,790 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 12:43:50,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-05-31 12:43:51,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 12:43:51,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 12:43:51,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 12:43:51,147 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 12:43:51,148 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 12:43:51,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl [2023-05-31 12:43:51,150 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl' [2023-05-31 12:43:51,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 12:43:51,176 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 12:43:51,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 12:43:51,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 12:43:51,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 12:43:51,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 12:43:51,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 12:43:51,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 12:43:51,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 12:43:51,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 12:43:51,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 12:43:51,237 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 12:43:51,256 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 12:43:51,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-31 12:43:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-31 12:43:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-31 12:43:51,326 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 12:43:51,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 12:43:51,331 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 12:43:51,371 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 12:43:51,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-31 12:43:51,380 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 12:43:51,381 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 12:43:51 BoogieIcfgContainer [2023-05-31 12:43:51,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 12:43:51,382 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 12:43:51,382 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 12:43:51,382 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 12:43:51,384 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,593 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:51,596 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:51,625 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:51,631 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:43:51,656 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'assume x > 0;x := x - 1;' is: true [2023-05-31 12:43:51,723 INFO L167 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2023-05-31 12:43:51,726 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2023-05-31 12:43:51,743 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume x > 0;x := x - 1;' is: (< 0 x) [2023-05-31 12:43:51,751 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:51,754 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:43:51,780 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:51 HornClauseAST [2023-05-31 12:43:51,780 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 12:43:51,781 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 12:43:51,781 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 12:43:51,781 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 12:43:51,782 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:51" (1/1) ... [2023-05-31 12:43:51,783 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/CHC_conditional_inc-bdec.bpl_UID11260823181291577455.smt2 [2023-05-31 12:43:51,805 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 12:43:51,806 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 12:43:51,806 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 12:43:51,806 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 12:43:51,807 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:43:51" (1/1) ... [2023-05-31 12:44:03,871 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.05 12:44:03 ChcSolution [2023-05-31 12:44:03,871 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-05-31 12:44:03,872 INFO L158 Benchmark]: Toolchain (without parser) took 12695.21ms. Allocated memory is still 396.4MB. Free memory was 374.3MB in the beginning and 373.1MB in the end (delta: 1.2MB). Peak memory consumption was 31.8MB. Max. memory is 15.0GB. [2023-05-31 12:44:03,873 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 396.4MB. Free memory was 375.2MB in the beginning and 375.2MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:03,873 INFO L158 Benchmark]: Boogie Preprocessor took 27.48ms. Allocated memory is still 396.4MB. Free memory was 374.2MB in the beginning and 372.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 12:44:03,874 INFO L158 Benchmark]: RCFGBuilder took 175.22ms. Allocated memory is still 396.4MB. Free memory was 372.3MB in the beginning and 364.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-05-31 12:44:03,875 INFO L158 Benchmark]: IcfgToChc took 398.35ms. Allocated memory is still 396.4MB. Free memory was 364.1MB in the beginning and 348.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 15.0GB. [2023-05-31 12:44:03,875 INFO L158 Benchmark]: ChcSmtPrinter took 24.16ms. Allocated memory is still 396.4MB. Free memory was 348.9MB in the beginning and 347.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:03,876 INFO L158 Benchmark]: ChcSolver took 12065.16ms. Allocated memory is still 396.4MB. Free memory was 347.1MB in the beginning and 373.1MB in the end (delta: -26.0MB). Peak memory consumption was 8.8MB. Max. memory is 15.0GB. [2023-05-31 12:44:03,879 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 0.29ms. Allocated memory is still 396.4MB. Free memory was 375.2MB in the beginning and 375.2MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 27.48ms. Allocated memory is still 396.4MB. Free memory was 374.2MB in the beginning and 372.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 175.22ms. Allocated memory is still 396.4MB. Free memory was 372.3MB in the beginning and 364.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 398.35ms. Allocated memory is still 396.4MB. Free memory was 364.1MB in the beginning and 348.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 15.0GB. * ChcSmtPrinter took 24.16ms. Allocated memory is still 396.4MB. Free memory was 348.9MB in the beginning and 347.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 12065.16ms. Allocated memory is still 396.4MB. Free memory was 347.1MB in the beginning and 373.1MB in the end (delta: -26.0MB). Peak memory consumption was 8.8MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnknownResult: UNKNOWN CHC solver returned UNKNOWN. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-31 12:44:03,915 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...