/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/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --chcsolver.chc.solver.backend GOLEM --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-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-645efe7-m [2023-05-31 17:50:16,918 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 17:50:16,991 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-05-31 17:50:16,998 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 17:50:17,000 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 17:50:17,000 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 17:50:17,001 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 17:50:17,001 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 17:50:17,001 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 17:50:17,006 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 17:50:17,006 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 17:50:17,007 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 17:50:17,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-05-31 17:50:17,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 17:50:17,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 17:50:17,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 17:50:17,248 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 17:50:17,249 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 17:50:17,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-05-31 17:50:17,250 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-05-31 17:50:17,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 17:50:17,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 17:50:17,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 17:50:17,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 17:50:17,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 17:50:17,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 17:50:17,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 17:50:17,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 17:50:17,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 17:50:17,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 17:50:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 17:50:17,330 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 17:50:17,346 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 17:50:17,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 17:50:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 17:50:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 17:50:17,411 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 17:50:17,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 17:50:17,418 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 17:50:17,465 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 17:50:17,471 INFO L294 CfgBuilder]: Using library mode [2023-05-31 17:50:17,471 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 17:50:17,473 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 05:50:17 BoogieIcfgContainer [2023-05-31 17:50:17,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 17:50:17,475 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 17:50:17,475 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 17:50:17,475 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 17:50:17,477 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,696 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:17,706 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:17,741 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 17:50:17,748 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 17:50:17,759 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 17:50:17,762 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 17:50:17,770 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:17,773 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:17,816 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:17 HornClauseAST [2023-05-31 17:50:17,816 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 17:50:17,820 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 17:50:17,835 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 17:50:17,835 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 17:50:17,837 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,838 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/CHC_inc-dec-eq0.bpl_UID1812574953215330103.smt2 [2023-05-31 17:50:17,876 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 17:50:17,877 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 17:50:17,877 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 17:50:17,877 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 17:50:17,879 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:17" (1/1) ... [2023-05-31 17:50:17,879 INFO L88 GolemChcScript]: Writing script to file /tmp/golem_14512100479921315521.smt2 [2023-05-31 17:50:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem [2023-05-31 17:50:17,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_14512100479921315521.smt2 (exit command is null, workingDir is null) [2023-05-31 17:50:17,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_14512100479921315521.smt2 (2)] Waiting until timeout for monitored process [2023-05-31 17:51:18,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_14512100479921315521.smt2 (2)] Forceful destruction successful, exit code 0 [2023-05-31 17:51:18,390 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.05 05:51:18 ChcSolution [2023-05-31 17:51:18,390 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-05-31 17:51:18,393 INFO L158 Benchmark]: Toolchain (without parser) took 61121.71ms. Allocated memory is still 358.6MB. Free memory was 308.9MB in the beginning and 293.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.1MB. Max. memory is 15.0GB. [2023-05-31 17:51:18,393 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 358.6MB. Free memory is still 309.9MB. There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 17:51:18,394 INFO L158 Benchmark]: Boogie Preprocessor took 26.65ms. Allocated memory is still 358.6MB. Free memory was 308.9MB in the beginning and 307.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 17:51:18,395 INFO L158 Benchmark]: RCFGBuilder took 174.42ms. Allocated memory is still 358.6MB. Free memory was 307.0MB in the beginning and 299.2MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-05-31 17:51:18,396 INFO L158 Benchmark]: IcfgToChc took 341.18ms. Allocated memory is still 358.6MB. Free memory was 299.2MB in the beginning and 288.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-05-31 17:51:18,397 INFO L158 Benchmark]: ChcSmtPrinter took 56.01ms. Allocated memory is still 358.6MB. Free memory was 288.2MB in the beginning and 324.1MB in the end (delta: -35.9MB). Peak memory consumption was 11.9MB. Max. memory is 15.0GB. [2023-05-31 17:51:18,398 INFO L158 Benchmark]: ChcSolver took 60513.42ms. Allocated memory is still 358.6MB. Free memory was 324.1MB in the beginning and 293.1MB in the end (delta: 31.0MB). Peak memory consumption was 29.4MB. Max. memory is 15.0GB. [2023-05-31 17:51:18,404 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 0.15ms. Allocated memory is still 358.6MB. Free memory is still 309.9MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 26.65ms. Allocated memory is still 358.6MB. Free memory was 308.9MB in the beginning and 307.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. * RCFGBuilder took 174.42ms. Allocated memory is still 358.6MB. Free memory was 307.0MB in the beginning and 299.2MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 341.18ms. Allocated memory is still 358.6MB. Free memory was 299.2MB in the beginning and 288.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 56.01ms. Allocated memory is still 358.6MB. Free memory was 288.2MB in the beginning and 324.1MB in the end (delta: -35.9MB). Peak memory consumption was 11.9MB. Max. memory is 15.0GB. * ChcSolver took 60513.42ms. Allocated memory is still 358.6MB. Free memory was 324.1MB in the beginning and 293.1MB in the end (delta: 31.0MB). Peak memory consumption was 29.4MB. 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. [2023-05-31 17:51:18,427 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...