./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme --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 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:55,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:55,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:49:55,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:55,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:55,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:55,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:55,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:55,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:55,233 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:55,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:55,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:55,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:55,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:55,236 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:55,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:55,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:55,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:55,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:55,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:55,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:55,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:55,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:55,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:55,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:49:55,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:55,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:55,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:55,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:55,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:55,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:55,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:55,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:55,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:55,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:55,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:55,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:55,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:55,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:55,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:55,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:55,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:55,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:55,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:55,252 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_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 [2023-11-26 11:49:55,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:55,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:55,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:55,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:55,584 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:55,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2023-11-26 11:49:58,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:59,126 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:59,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2023-11-26 11:49:59,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/data/b839edfd7/867bcb86587f4215976590c61c18dfd9/FLAG949b4b176 [2023-11-26 11:49:59,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/data/b839edfd7/867bcb86587f4215976590c61c18dfd9 [2023-11-26 11:49:59,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:59,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:59,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:59,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:59,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:59,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401d53d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59, skipping insertion in model container [2023-11-26 11:49:59,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:59,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:59,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:59,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:59,801 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:59,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59 WrapperNode [2023-11-26 11:49:59,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:59,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:59,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:59,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:59,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,843 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-26 11:49:59,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:59,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:59,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:59,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:59,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,875 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,899 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:49:59,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:59,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:59,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:59,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:59,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (1/1) ... [2023-11-26 11:49:59,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:59,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:59,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:50:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:50:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:50:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 11:50:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 11:50:00,116 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:00,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:00,362 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:00,398 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:00,398 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:50:00,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:00 BoogieIcfgContainer [2023-11-26 11:50:00,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:00,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:00,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:00,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:00,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:59" (1/3) ... [2023-11-26 11:50:00,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047305a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:00, skipping insertion in model container [2023-11-26 11:50:00,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:59" (2/3) ... [2023-11-26 11:50:00,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047305a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:00, skipping insertion in model container [2023-11-26 11:50:00,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:00" (3/3) ... [2023-11-26 11:50:00,417 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin_valuebound20.i [2023-11-26 11:50:00,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:00,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 11:50:00,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047305a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:50:00, skipping insertion in model container [2023-11-26 11:50:00,441 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:50:00,442 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:00,442 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:00,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:00,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:00" (3/3) ... [2023-11-26 11:50:00,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:50:00,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-26 11:50:00,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-26 11:50:00,456 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-26 11:50:00,456 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:50:00,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:50:00,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:50:00,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:50:00,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:50:00,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:00,569 INFO L158 Benchmark]: Toolchain (without parser) took 1066.68ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 76.5MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,569 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:00,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.64ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 98.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,571 INFO L158 Benchmark]: Boogie Preprocessor took 82.56ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,571 INFO L158 Benchmark]: RCFGBuilder took 471.38ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 83.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,572 INFO L158 Benchmark]: TraceAbstraction took 36.54ms. Allocated memory is still 153.1MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,572 INFO L158 Benchmark]: Witness Printer took 124.84ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 76.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.64ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 98.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.56ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.38ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 83.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 36.54ms. Allocated memory is still 153.1MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 124.84ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 76.5MB in the end (delta: 4.6MB). 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! [2023-11-26 11:50:00,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3fbbc3-6332-4063-bebe-dcc3c5fa6eda/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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