/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -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 --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:36:44,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:36:45,039 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 [2023-11-30 02:36:45,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:36:45,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:36:45,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:36:45,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:36:45,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:36:45,068 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:36:45,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:36:45,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:36:45,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:36:45,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:36:45,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:36:45,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:36:45,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:36:45,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:36:45,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:36:45,073 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:36:45,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:36:45,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:36:45,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:36:45,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:36:45,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:36:45,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:36:45,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:36:45,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:36:45,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:36:45,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:36:45,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:36:45,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:36:45,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:36:45,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:36:45,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:36:45,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-11-30 02:36:46,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:36:46,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:36:46,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-11-30 02:36:46,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0d69283/9b00f1f5e8584230b9fe790e8fc64f00/FLAG6a72ba0f5 [2023-11-30 02:36:46,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0d69283/9b00f1f5e8584230b9fe790e8fc64f00 [2023-11-30 02:36:46,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:36:46,479 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:36:46,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:36:46,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:36:46,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:36:46,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98dc4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46, skipping insertion in model container [2023-11-30 02:36:46,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:36:46,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:36:46,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:36:46,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:36:46,732 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:36:46,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46 WrapperNode [2023-11-30 02:36:46,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:36:46,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:36:46,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:36:46,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:36:46,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,768 INFO L138 Inliner]: procedures = 162, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-30 02:36:46,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:36:46,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:36:46,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:36:46,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:36:46,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:36:46,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:36:46,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:36:46,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:36:46,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (1/1) ... [2023-11-30 02:36:46,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:36:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:36:46,815 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) [2023-11-30 02:36:46,823 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 [2023-11-30 02:36:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:36:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:36:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:36:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 02:36:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 02:36:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:36:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:36:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:36:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:36:46,856 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:36:46,935 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:36:46,937 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:36:47,030 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:36:47,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:36:47,036 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 02:36:47,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:36:47 BoogieIcfgContainer [2023-11-30 02:36:47,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:36:47,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:36:47,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:36:47,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:36:47,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:36:46" (1/3) ... [2023-11-30 02:36:47,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519bd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:36:47, skipping insertion in model container [2023-11-30 02:36:47,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:46" (2/3) ... [2023-11-30 02:36:47,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519bd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:36:47, skipping insertion in model container [2023-11-30 02:36:47,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:36:47" (3/3) ... [2023-11-30 02:36:47,042 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-11-30 02:36:47,053 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:36:47,053 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-30 02:36:47,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519bd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:36:47, skipping insertion in model container [2023-11-30 02:36:47,054 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:36:47,055 INFO L158 Benchmark]: Toolchain (without parser) took 575.92ms. Allocated memory is still 463.5MB. Free memory was 416.0MB in the beginning and 380.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,055 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 335.5MB. Free memory is still 286.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:36:47,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.04ms. Allocated memory is still 463.5MB. Free memory was 415.6MB in the beginning and 397.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.64ms. Allocated memory is still 463.5MB. Free memory was 397.1MB in the beginning and 395.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,057 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 463.5MB. Free memory was 395.2MB in the beginning and 393.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,057 INFO L158 Benchmark]: RCFGBuilder took 246.89ms. Allocated memory is still 463.5MB. Free memory was 393.8MB in the beginning and 383.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,057 INFO L158 Benchmark]: TraceAbstraction took 15.26ms. Allocated memory is still 463.5MB. Free memory was 382.4MB in the beginning and 380.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:47,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 335.5MB. Free memory is still 286.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 253.04ms. Allocated memory is still 463.5MB. Free memory was 415.6MB in the beginning and 397.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.64ms. Allocated memory is still 463.5MB. Free memory was 397.1MB in the beginning and 395.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 463.5MB. Free memory was 395.2MB in the beginning and 393.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 246.89ms. Allocated memory is still 463.5MB. Free memory was 393.8MB in the beginning and 383.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 15.26ms. Allocated memory is still 463.5MB. Free memory was 382.4MB in the beginning and 380.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-30 02:36:47,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...