/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_INSENSITIVE.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:25:05,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:25:05,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:25:05,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:25:05,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:25:05,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:25:05,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:25:05,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:25:05,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:25:05,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:25:05,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:25:05,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:25:05,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:25:05,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:25:05,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:25:05,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:25:05,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:25:05,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:25:05,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:25:05,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:25:05,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:25:05,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:25:05,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:25:05,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:25:05,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:25:05,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:25:05,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:25:05,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:25:05,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:25:05,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:25:05,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:25:05,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:25:05,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:25:05,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:25:05,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:25:05,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:25:05,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:25:05,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:25:05,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:25:05,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:25:05,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:25:05,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_INSENSITIVE.epf [2022-09-21 14:25:05,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:25:05,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:25:05,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:25:05,638 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:25:05,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:25:05,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:25:05,639 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:25:05,639 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:25:05,639 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:25:05,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:25:05,640 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:25:05,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:25:05,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:25:05,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:25:05,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:25:05,642 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:25:05,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:25:05,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:25:05,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:25:05,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:25:05,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:25:05,644 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:25:05,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:25:05,644 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:25:05,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:25:05,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:25:05,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:25:05,910 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:25:05,911 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:25:05,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl [2022-09-21 14:25:05,912 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl' [2022-09-21 14:25:05,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:25:05,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:25:05,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:25:05,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:25:05,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:25:05,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,962 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:25:05,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:25:05,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:25:05,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:25:05,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:25:05,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:25:05,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:25:05,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:25:05,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:25:05,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:25:05" (1/1) ... [2022-09-21 14:25:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:25:05,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:25:06,009 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) [2022-09-21 14:25:06,028 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 [2022-09-21 14:25:06,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:25:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:25:06,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:25:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:25:06,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:25:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:25:06,053 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-21 14:25:06,099 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:25:06,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:25:06,163 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:25:06,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:25:06,192 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-21 14:25:06,193 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-09-21 14:25:06,193 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-09-21 14:25:06,195 INFO L202 PluginConnector]: Adding new model simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:25:06 BoogieIcfgContainer [2022-09-21 14:25:06,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:25:06,197 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:25:06,197 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:25:06,199 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:25:06,200 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:25:06" (1/1) ... [2022-09-21 14:25:06,245 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:25:06,247 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:25:06,248 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:25:06,272 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2022-09-21 14:25:51,267 WARN L632 FixpointEngine]: Received timeout, aborting fixpoint engine [2022-09-21 14:25:51,267 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2. Reason: Timeout or Toolchain cancelled by user [2022-09-21 14:25:51,271 INFO L158 Benchmark]: Toolchain (without parser) took 45332.54ms. Allocated memory was 179.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 135.1MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-09-21 14:25:51,272 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 179.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:25:51,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.50ms. Allocated memory is still 179.3MB. Free memory was 135.0MB in the beginning and 133.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:25:51,274 INFO L158 Benchmark]: Boogie Preprocessor took 11.79ms. Allocated memory is still 179.3MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 960.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:25:51,274 INFO L158 Benchmark]: RCFGBuilder took 218.15ms. Allocated memory is still 179.3MB. Free memory was 132.5MB in the beginning and 153.9MB in the end (delta: -21.4MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2022-09-21 14:25:51,275 INFO L158 Benchmark]: Abstract Interpretation took 45072.68ms. Allocated memory was 179.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 153.7MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-09-21 14:25:51,279 INFO L339 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 179.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.50ms. Allocated memory is still 179.3MB. Free memory was 135.0MB in the beginning and 133.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.79ms. Allocated memory is still 179.3MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 960.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 218.15ms. Allocated memory is still 179.3MB. Free memory was 132.5MB in the beginning and 153.9MB in the end (delta: -21.4MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * Abstract Interpretation took 45072.68ms. Allocated memory was 179.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 153.7MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2) Toolchain cancelled while FixpointEngine was executing abstract interpretation. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown