./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 30e01a73 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_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:37,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:37,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:32:37,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:37,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:38,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:38,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:38,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:38,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:38,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:38,015 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:38,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:38,016 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:38,016 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:38,017 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:38,018 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:38,018 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:38,019 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:38,019 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:38,020 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:38,021 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:38,025 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:38,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:38,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:38,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:38,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:38,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:38,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:38,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:38,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:38,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:38,031 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:32:38,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:32:38,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:38,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:38,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:38,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:38,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:38,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:38,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:38,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:38,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:38,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:38,036 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:38,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:38,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:38,037 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:38,037 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:38,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:38,038 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-23 21:32:38,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:38,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:38,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:38,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:38,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:38,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-23 21:32:41,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:41,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:41,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-23 21:32:41,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/data/55509cfde/54e2ca61849646579123e0b3ac11e023/FLAGba45f21b4 [2023-11-23 21:32:41,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/data/55509cfde/54e2ca61849646579123e0b3ac11e023 [2023-11-23 21:32:41,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:41,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:41,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:41,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:41,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:41,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cb670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41, skipping insertion in model container [2023-11-23 21:32:41,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:42,149 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:32:42,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:42,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:42,350 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:32:42,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:42,415 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:42,415 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:42,416 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:42,423 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:42,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42 WrapperNode [2023-11-23 21:32:42,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:42,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:42,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:42,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:42,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,473 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 179 [2023-11-23 21:32:42,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:42,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:42,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:42,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:42,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:42,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:42,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:42,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:42,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (1/1) ... [2023-11-23 21:32:42,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:42,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:42,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-23 21:32:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-23 21:32:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 21:32:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 21:32:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:32:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:32:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:42,604 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:32:42,749 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:42,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:43,026 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:43,189 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:43,189 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 21:32:43,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:43 BoogieIcfgContainer [2023-11-23 21:32:43,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:43,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:43,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:43,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:43,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:41" (1/3) ... [2023-11-23 21:32:43,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:43, skipping insertion in model container [2023-11-23 21:32:43,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:42" (2/3) ... [2023-11-23 21:32:43,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:43, skipping insertion in model container [2023-11-23 21:32:43,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:43" (3/3) ... [2023-11-23 21:32:43,200 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2023-11-23 21:32:43,211 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:32:43,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:43,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:32:43,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c4b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:43, skipping insertion in model container [2023-11-23 21:32:43,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:43,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:43,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:43,231 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:43,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:43" (3/3) ... [2023-11-23 21:32:43,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:32:43,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-23 21:32:43,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-23 21:32:43,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-23 21:32:43,253 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:32:43,254 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:32:43,255 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:32:43,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:32:43,363 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:32:43,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:43,366 INFO L158 Benchmark]: Toolchain (without parser) took 1472.49ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 100.3MB in the beginning and 139.0MB in the end (delta: -38.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,367 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:43,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.82ms. Allocated memory is still 140.5MB. Free memory was 100.0MB in the beginning and 79.3MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.05ms. Allocated memory is still 140.5MB. Free memory was 79.3MB in the beginning and 76.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,368 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 140.5MB. Free memory was 76.9MB in the beginning and 75.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,369 INFO L158 Benchmark]: RCFGBuilder took 682.17ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 75.4MB in the beginning and 145.6MB in the end (delta: -70.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,369 INFO L158 Benchmark]: TraceAbstraction took 36.03ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,370 INFO L158 Benchmark]: Witness Printer took 132.60ms. Allocated memory is still 182.5MB. Free memory was 143.2MB in the beginning and 139.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:32:43,373 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 140.5MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.82ms. Allocated memory is still 140.5MB. Free memory was 100.0MB in the beginning and 79.3MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.05ms. Allocated memory is still 140.5MB. Free memory was 79.3MB in the beginning and 76.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 140.5MB. Free memory was 76.9MB in the beginning and 75.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.17ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 75.4MB in the beginning and 145.6MB in the end (delta: -70.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36.03ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 132.60ms. Allocated memory is still 182.5MB. Free memory was 143.2MB in the beginning and 139.0MB in the end (delta: 4.2MB). 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! [2023-11-23 21:32:43,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe74345-0ce2-4d5e-b592-2746098b68a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE