/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 14:55:46,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 14:55:46,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 14:55:46,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 14:55:46,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 14:55:46,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 14:55:46,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 14:55:46,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 14:55:46,801 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 14:55:46,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 14:55:46,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 14:55:46,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 14:55:46,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 14:55:46,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 14:55:46,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 14:55:46,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 14:55:46,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 14:55:46,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 14:55:46,807 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 14:55:46,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 14:55:46,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:55:46,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 14:55:46,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 14:55:46,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 14:55:46,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 14:55:46,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 14:55:46,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 14:55:46,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 14:55:46,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 14:55:46,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 14:55:46,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 14:55:46,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 14:55:46,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 14:55:46,997 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 14:55:46,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-12-09 14:55:48,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 14:55:48,272 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 14:55:48,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2023-12-09 14:55:48,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c61154d7/2c6e0ff978e34d288a9f37d29732892f/FLAG73b762827 [2023-12-09 14:55:48,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c61154d7/2c6e0ff978e34d288a9f37d29732892f [2023-12-09 14:55:48,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 14:55:48,304 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 14:55:48,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 14:55:48,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 14:55:48,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 14:55:48,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634db771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48, skipping insertion in model container [2023-12-09 14:55:48,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 14:55:48,591 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2023-12-09 14:55:48,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:55:48,613 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 14:55:48,651 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2023-12-09 14:55:48,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:55:48,674 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:55:48,674 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:55:48,679 INFO L206 MainTranslator]: Completed translation [2023-12-09 14:55:48,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48 WrapperNode [2023-12-09 14:55:48,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 14:55:48,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 14:55:48,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 14:55:48,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 14:55:48,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,721 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2023-12-09 14:55:48,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 14:55:48,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 14:55:48,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 14:55:48,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 14:55:48,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 14:55:48,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 14:55:48,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 14:55:48,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 14:55:48,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:55:48" (1/1) ... [2023-12-09 14:55:48,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:55:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:55:48,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-09 14:55:48,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-09 14:55:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 14:55:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-09 14:55:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-09 14:55:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 14:55:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 14:55:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 14:55:48,799 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 14:55:48,918 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 14:55:48,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 14:55:49,060 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 14:55:49,121 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-09 14:55:49,125 INFO L158 Benchmark]: Toolchain (without parser) took 820.12ms. Allocated memory is still 206.6MB. Free memory was 162.2MB in the beginning and 117.1MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-12-09 14:55:49,125 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 157.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 14:55:49,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.91ms. Allocated memory is still 206.6MB. Free memory was 162.2MB in the beginning and 142.2MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-09 14:55:49,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.48ms. Allocated memory is still 206.6MB. Free memory was 142.2MB in the beginning and 140.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 14:55:49,126 INFO L158 Benchmark]: Boogie Preprocessor took 22.70ms. Allocated memory is still 206.6MB. Free memory was 139.8MB in the beginning and 138.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 14:55:49,127 INFO L158 Benchmark]: RCFGBuilder took 378.59ms. Allocated memory is still 206.6MB. Free memory was 138.5MB in the beginning and 117.1MB in the end (delta: 21.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-09 14:55:49,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 157.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 373.91ms. Allocated memory is still 206.6MB. Free memory was 162.2MB in the beginning and 142.2MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.48ms. Allocated memory is still 206.6MB. Free memory was 142.2MB in the beginning and 140.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.70ms. Allocated memory is still 206.6MB. Free memory was 139.8MB in the beginning and 138.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 378.59ms. Allocated memory is still 206.6MB. Free memory was 138.5MB in the beginning and 117.1MB in the end (delta: 21.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-09 14:55:49,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...