./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:25,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:25,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:55:25,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:25,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:25,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:25,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:25,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:25,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:25,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:25,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:25,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:25,869 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:25,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:25,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:25,871 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:25,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:25,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:25,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:25,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:25,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:25,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:25,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:55:25,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:55:25,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:25,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:25,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:25,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:25,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:25,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:25,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:25,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:25,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:25,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:25,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:25,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:25,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:25,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:25,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:25,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:25,886 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:25,886 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2023-11-19 07:55:26,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:26,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:26,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:26,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:26,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:26,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-19 07:55:29,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:29,657 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:29,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-19 07:55:29,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/data/166df9b14/b51fd618f233401ba1fd874b33862c7d/FLAGaff7c8ae2 [2023-11-19 07:55:29,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/data/166df9b14/b51fd618f233401ba1fd874b33862c7d [2023-11-19 07:55:29,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:29,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:29,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:29,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:29,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:29,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:29" (1/1) ... [2023-11-19 07:55:29,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510b46d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:29, skipping insertion in model container [2023-11-19 07:55:29,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:29" (1/1) ... [2023-11-19 07:55:29,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:30,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:30,227 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:30,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:30,359 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:55:30,360 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:55:30,368 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:30,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30 WrapperNode [2023-11-19 07:55:30,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:30,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:30,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:30,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:30,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,455 INFO L138 Inliner]: procedures = 174, calls = 49, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 168 [2023-11-19 07:55:30,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:30,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:30,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:30,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:30,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:30,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:30,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:30,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:30,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (1/1) ... [2023-11-19 07:55:30,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:30,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:30,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 07:55:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 07:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:55:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:30,600 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:55:30,747 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:30,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:31,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:31,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:31,471 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:55:31,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:31 BoogieIcfgContainer [2023-11-19 07:55:31,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:31,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:31,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:31,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:31,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:29" (1/3) ... [2023-11-19 07:55:31,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ab4894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:31, skipping insertion in model container [2023-11-19 07:55:31,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:30" (2/3) ... [2023-11-19 07:55:31,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ab4894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:31, skipping insertion in model container [2023-11-19 07:55:31,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:31" (3/3) ... [2023-11-19 07:55:31,492 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-11-19 07:55:31,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:55:31,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:31,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 07:55:31,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ab4894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:31, skipping insertion in model container [2023-11-19 07:55:31,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:55:31,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:31,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:31,527 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:31,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:31" (3/3) ... [2023-11-19 07:55:31,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:55:31,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-19 07:55:31,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 07:55:31,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:55:31,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:55:31,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:55:31,638 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:55:31,641 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:55:31,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:31,643 INFO L158 Benchmark]: Toolchain (without parser) took 1945.95ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 100.2MB in the beginning and 141.0MB in the end (delta: -40.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,644 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:31,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.39ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 79.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.78ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,653 INFO L158 Benchmark]: Boogie Preprocessor took 69.09ms. Allocated memory is still 146.8MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,654 INFO L158 Benchmark]: RCFGBuilder took 948.88ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 147.3MB in the end (delta: -71.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,657 INFO L158 Benchmark]: TraceAbstraction took 42.78ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 145.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,660 INFO L158 Benchmark]: Witness Printer took 115.43ms. Allocated memory is still 197.1MB. Free memory was 145.1MB in the beginning and 141.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:55:31,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.39ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 79.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.78ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.09ms. Allocated memory is still 146.8MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 948.88ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 147.3MB in the end (delta: -71.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 42.78ms. Allocated memory is still 197.1MB. Free memory was 147.3MB in the beginning and 145.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 115.43ms. Allocated memory is still 197.1MB. Free memory was 145.1MB in the beginning and 141.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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! [2023-11-19 07:55:31,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71215bc-eac2-41af-8845-065aa9f5daac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE