/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 --icfgtochc.break.symmetry.of.preference.order false --icfgtochc.use.symmetry.clauses true --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-dec-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 11:20:07,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 11:20:07,235 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/ThreadModularVerifier.Settings.epf [2023-09-12 11:20:07,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 11:20:07,247 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 11:20:07,248 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 11:20:07,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 11:20:07,248 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 11:20:07,248 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 11:20:07,252 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-09-12 11:20:07,252 INFO L153 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-09-12 11:20:07,252 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 11:20:07,252 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 11:20:07,253 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 11:20:07,253 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-09-12 11:20:07,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 11:20:07,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 11:20:07,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 11:20:07,456 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 11:20:07,457 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 11:20:07,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl [2023-09-12 11:20:07,458 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl' [2023-09-12 11:20:07,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 11:20:07,474 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 11:20:07,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 11:20:07,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 11:20:07,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 11:20:07,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 11:20:07,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 11:20:07,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 11:20:07,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 11:20:07,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 11:20:07,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 11:20:07,526 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) [2023-09-12 11:20:07,531 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 [2023-09-12 11:20:07,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-09-12 11:20:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-09-12 11:20:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-09-12 11:20:07,583 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 11:20:07,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 11:20:07,587 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-09-12 11:20:07,629 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 11:20:07,632 INFO L294 CfgBuilder]: Using library mode [2023-09-12 11:20:07,632 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-12 11:20:07,645 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 11:20:07 BoogieIcfgContainer [2023-09-12 11:20:07,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 11:20:07,646 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 11:20:07,646 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 11:20:07,646 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 11:20:07,648 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,843 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-09-12 11:20:07,845 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-09-12 11:20:07,848 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-09-12 11:20:07,850 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-09-12 11:20:07,857 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-09-12 11:20:07,859 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-09-12 11:20:07,866 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-09-12 11:20:07,869 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-09-12 11:20:07,874 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-09-12 11:20:07,876 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-09-12 11:20:07,879 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-09-12 11:20:07,881 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-09-12 11:20:07,884 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 11:20:07,885 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 11:20:07,886 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-09-12 11:20:07,888 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-09-12 11:20:07,891 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 11:20:07,892 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 11:20:07,893 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-09-12 11:20:07,895 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-09-12 11:20:07,936 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:20:07 HornClauseAST [2023-09-12 11:20:07,936 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 11:20:07,937 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 11:20:07,937 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 11:20:07,937 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 11:20:07,941 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,942 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_UID18035527633165415655.smt2 [2023-09-12 11:20:07,958 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 11:20:07,959 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 11:20:07,959 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 11:20:07,959 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 11:20:07,961 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:20:07" (1/1) ... [2023-09-12 11:20:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-12 11:20:07,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 11:20:07,967 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) [2023-09-12 11:20:07,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-09-12 11:20:07,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-09-12 11:20:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 11:20:07,986 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) [2023-09-12 11:20:07,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-12 11:20:08,154 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-09-12 11:20:08,154 INFO L176 ChcSolverObserver]: (define-fun (Inv Int Int Bool Int Int Bool Int Bool) ((x!0 Int) (x!1 Int) (x!2 Bool) (x!3 Int) (x!4 Int) (x!5 Bool) (x!6 Int) ) Bool (let ((a!1 (not (= x!4 x!1)))) (and (< 0 (+ x!0 1)) (< 0 (+ x!6 1)) (< x!6 1) a!1 (or (< 0 x!0) (not (= 2 x!3)))))) [2023-09-12 11:20:08,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-12 11:20:08,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 11:20:08,162 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) [2023-09-12 11:20:08,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-12 11:20:08,165 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 11:20:08 ChcSolution [2023-09-12 11:20:08,165 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 11:20:08,166 INFO L158 Benchmark]: Toolchain (without parser) took 692.42ms. Allocated memory is still 306.2MB. Free memory was 262.9MB in the beginning and 269.4MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 11:20:08,167 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 306.2MB. Free memory was 264.0MB in the beginning and 263.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 11:20:08,167 INFO L158 Benchmark]: Boogie Preprocessor took 20.08ms. Allocated memory is still 306.2MB. Free memory was 262.9MB in the beginning and 261.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 11:20:08,168 INFO L158 Benchmark]: RCFGBuilder took 149.19ms. Allocated memory is still 306.2MB. Free memory was 261.0MB in the beginning and 252.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-09-12 11:20:08,168 INFO L158 Benchmark]: IcfgToChc took 290.92ms. Allocated memory is still 306.2MB. Free memory was 252.9MB in the beginning and 278.8MB in the end (delta: -25.8MB). Peak memory consumption was 20.6MB. Max. memory is 15.0GB. [2023-09-12 11:20:08,168 INFO L158 Benchmark]: ChcSmtPrinter took 21.58ms. Allocated memory is still 306.2MB. Free memory was 278.8MB in the beginning and 277.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 11:20:08,169 INFO L158 Benchmark]: ChcSolver took 206.49ms. Allocated memory is still 306.2MB. Free memory was 277.5MB in the beginning and 269.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 11:20:08,170 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 0.23ms. Allocated memory is still 306.2MB. Free memory was 264.0MB in the beginning and 263.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 20.08ms. Allocated memory is still 306.2MB. Free memory was 262.9MB in the beginning and 261.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. * RCFGBuilder took 149.19ms. Allocated memory is still 306.2MB. Free memory was 261.0MB in the beginning and 252.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 290.92ms. Allocated memory is still 306.2MB. Free memory was 252.9MB in the beginning and 278.8MB in the end (delta: -25.8MB). Peak memory consumption was 20.6MB. Max. memory is 15.0GB. * ChcSmtPrinter took 21.58ms. Allocated memory is still 306.2MB. Free memory was 278.8MB in the beginning and 277.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 206.49ms. Allocated memory is still 306.2MB. Free memory was 277.5MB in the beginning and 269.4MB in the end (delta: 8.1MB). 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. [2023-09-12 11:20:08,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-12 11:20:08,381 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...