/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-geq0/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-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-645efe7-m [2023-05-31 17:50:27,630 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 17:50:27,683 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/ThreadModularVerifier.Settings.epf [2023-05-31 17:50:27,689 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 17:50:27,690 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 17:50:27,691 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 17:50:27,691 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 17:50:27,691 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 17:50:27,692 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 17:50:27,692 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-05-31 17:50:27,693 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-05-31 17:50:27,693 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 17:50:27,694 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 17:50:27,694 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 17:50:27,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-05-31 17:50:27,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 17:50:27,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 17:50:27,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 17:50:27,925 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 17:50:27,925 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 17:50:27,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl [2023-05-31 17:50:27,927 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl' [2023-05-31 17:50:27,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 17:50:27,947 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 17:50:27,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 17:50:27,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 17:50:27,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 17:50:27,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 17:50:27,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 17:50:27,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 17:50:27,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 17:50:27,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 05:50:27" (1/1) ... [2023-05-31 17:50:27,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 17:50:27,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 17:50:28,006 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 17:50:28,024 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 17:50:28,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 17:50:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 17:50:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 17:50:28,092 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 17:50:28,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 17:50:28,097 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 17:50:28,150 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 17:50:28,161 INFO L294 CfgBuilder]: Using library mode [2023-05-31 17:50:28,161 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 17:50:28,164 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 05:50:28 BoogieIcfgContainer [2023-05-31 17:50:28,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 17:50:28,165 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 17:50:28,165 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 17:50:28,165 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 17:50:28,167 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 05:50:28" (1/1) ... [2023-05-31 17:50:28,344 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:28,346 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:28,350 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:28,352 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 17:50:28,370 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-05-31 17:50:28,372 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-05-31 17:50:28,380 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 17:50:28,384 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 17:50:28,394 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-05-31 17:50:28,396 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-05-31 17:50:28,399 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 17:50:28,402 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 17:50:28,410 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 17:50:28,411 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 17:50:28,413 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-05-31 17:50:28,415 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-05-31 17:50:28,421 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 17:50:28,422 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 17:50:28,424 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-05-31 17:50:28,426 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-05-31 17:50:28,459 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:28 HornClauseAST [2023-05-31 17:50:28,460 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 17:50:28,460 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 17:50:28,460 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 17:50:28,461 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 17:50:28,461 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:28" (1/1) ... [2023-05-31 17:50:28,462 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/CHC_inc-dec-geq0.bpl_UID8884566779568146765.smt2 [2023-05-31 17:50:28,491 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 17:50:28,492 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 17:50:28,492 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 17:50:28,492 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 17:50:28,493 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 05:50:28" (1/1) ... [2023-05-31 17:50:28,494 INFO L88 GolemChcScript]: Writing script to file /tmp/golem_6674652637543770758.smt2 [2023-05-31 17:50:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem [2023-05-31 17:50:28,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6674652637543770758.smt2 (exit command is null, workingDir is null) [2023-05-31 17:50:28,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6674652637543770758.smt2 (2)] Waiting until timeout for monitored process [2023-05-31 17:50:30,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6674652637543770758.smt2 (2)] Forceful destruction successful, exit code 0 [2023-05-31 17:50:30,300 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.05 05:50:30 ChcSolution [2023-05-31 17:50:30,300 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-05-31 17:50:30,303 INFO L158 Benchmark]: Toolchain (without parser) took 2354.25ms. Allocated memory is still 337.6MB. Free memory was 295.7MB in the beginning and 267.0MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,304 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 337.6MB. Free memory is still 296.7MB. There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 17:50:30,304 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 337.6MB. Free memory was 295.7MB in the beginning and 293.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,306 INFO L158 Benchmark]: RCFGBuilder took 186.54ms. Allocated memory is still 337.6MB. Free memory was 293.8MB in the beginning and 286.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,307 INFO L158 Benchmark]: IcfgToChc took 294.66ms. Allocated memory is still 337.6MB. Free memory was 286.0MB in the beginning and 272.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,307 INFO L158 Benchmark]: ChcSmtPrinter took 31.02ms. Allocated memory is still 337.6MB. Free memory was 272.4MB in the beginning and 270.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,308 INFO L158 Benchmark]: ChcSolver took 1808.43ms. Allocated memory is still 337.6MB. Free memory was 270.3MB in the beginning and 267.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 17:50:30,311 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 0.28ms. Allocated memory is still 337.6MB. Free memory is still 296.7MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 337.6MB. Free memory was 295.7MB in the beginning and 293.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 186.54ms. Allocated memory is still 337.6MB. Free memory was 293.8MB in the beginning and 286.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 294.66ms. Allocated memory is still 337.6MB. Free memory was 286.0MB in the beginning and 272.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. * ChcSmtPrinter took 31.02ms. Allocated memory is still 337.6MB. Free memory was 272.4MB in the beginning and 270.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 1808.43ms. Allocated memory is still 337.6MB. Free memory was 270.3MB in the beginning and 267.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. 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 17:50:30,329 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...