./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:28:34,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:28:34,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:28:34,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:28:34,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:28:34,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:28:34,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:28:34,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:28:34,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:28:34,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:28:34,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:28:34,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:28:34,301 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:28:34,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:28:34,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:28:34,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:28:34,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:28:34,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:28:34,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:28:34,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:28:34,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:28:34,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:28:34,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:28:34,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:28:34,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:28:34,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:28:34,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:28:34,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:28:34,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:28:34,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:28:34,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:34,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:28:34,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:28:34,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:28:34,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:28:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:28:34,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:28:34,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:28:34,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:28:34,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:28:34,321 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:28:34,321 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_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-06 22:28:34,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:28:34,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:28:34,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:28:34,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:28:34,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:28:34,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-06 22:28:38,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:28:38,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:28:38,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-06 22:28:38,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/data/4d203c3f2/b15170795c5f42d48c41b3099f6dbe60/FLAG6caf0a72f [2023-11-06 22:28:38,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/data/4d203c3f2/b15170795c5f42d48c41b3099f6dbe60 [2023-11-06 22:28:38,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:28:38,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:28:38,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:38,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:28:38,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:28:38,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:38" (1/1) ... [2023-11-06 22:28:38,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1f9626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:38, skipping insertion in model container [2023-11-06 22:28:38,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:38" (1/1) ... [2023-11-06 22:28:38,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:28:38,746 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:28:38,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:38,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:28:38,972 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:28:39,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:39,090 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:28:39,090 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:28:39,091 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:28:39,099 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:28:39,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39 WrapperNode [2023-11-06 22:28:39,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:39,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:39,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:28:39,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:28:39,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,195 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 179 [2023-11-06 22:28:39,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:39,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:28:39,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:28:39,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:28:39,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:28:39,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:28:39,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:28:39,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:28:39,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (1/1) ... [2023-11-06 22:28:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:39,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:39,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:28:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:28:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-06 22:28:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-06 22:28:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 22:28:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 22:28:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:28:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:28:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:28:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:28:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:28:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:28:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:28:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:28:39,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:28:39,349 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:28:39,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:28:39,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:28:39,715 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:28:39,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:28:39,724 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-06 22:28:39,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:39 BoogieIcfgContainer [2023-11-06 22:28:39,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:28:39,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:28:39,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:28:39,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:28:39,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:38" (1/3) ... [2023-11-06 22:28:39,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a04883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:39, skipping insertion in model container [2023-11-06 22:28:39,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:39" (2/3) ... [2023-11-06 22:28:39,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a04883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:39, skipping insertion in model container [2023-11-06 22:28:39,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:39" (3/3) ... [2023-11-06 22:28:39,738 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2023-11-06 22:28:39,747 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:28:39,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:28:39,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-06 22:28:39,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a04883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:28:39, skipping insertion in model container [2023-11-06 22:28:39,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:28:39,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:28:39,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:28:39,774 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:28:39,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:39" (3/3) ... [2023-11-06 22:28:39,777 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:28:39,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-06 22:28:39,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-06 22:28:39,792 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:28:39,792 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:28:39,792 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:28:39,793 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:28:39,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:28:39,856 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:28:39,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:28:39,858 INFO L158 Benchmark]: Toolchain (without parser) took 1372.97ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 111.0MB in the beginning and 150.1MB in the end (delta: -39.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,858 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:39,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.29ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 90.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.40ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,861 INFO L158 Benchmark]: Boogie Preprocessor took 71.47ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,861 INFO L158 Benchmark]: RCFGBuilder took 458.26ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 72.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,862 INFO L158 Benchmark]: TraceAbstraction took 42.58ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 112.7MB in the end (delta: -41.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,863 INFO L158 Benchmark]: Witness Printer took 82.72ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 112.6MB in the beginning and 150.1MB in the end (delta: -37.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-06 22:28:39,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.29ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 90.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.40ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.47ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.26ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 72.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42.58ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 112.7MB in the end (delta: -41.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 82.72ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 112.6MB in the beginning and 150.1MB in the end (delta: -37.5MB). Peak memory consumption was 3.4MB. 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! [2023-11-06 22:28:39,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ffa172-9a41-41bf-b974-45ee6090b6aa/bin/uautomizer-verify-WvqO1wxjHP/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