./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea97fe631de3abcfa1030cdb800e2845e2e97a42347e391a7c9fd401d3d0b815 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:03:27,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:03:27,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:03:27,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:03:27,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:03:27,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:03:27,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:03:27,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:03:27,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:03:27,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:03:27,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:03:27,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:03:27,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:03:27,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:03:27,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:03:27,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:03:27,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:03:27,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:03:27,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:03:27,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:03:27,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:03:27,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:03:27,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:03:27,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:03:27,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:03:27,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:03:27,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:03:27,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:03:27,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:03:27,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:03:27,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:03:27,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:03:27,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:03:27,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:03:27,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:03:27,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:03:27,356 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:03:27,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:03:27,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:03:27,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:03:27,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:03:27,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:03:27,361 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_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea97fe631de3abcfa1030cdb800e2845e2e97a42347e391a7c9fd401d3d0b815 [2024-11-08 19:03:27,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:03:27,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:03:27,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:03:27,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:03:27,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:03:27,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i Unable to find full path for "g++" [2024-11-08 19:03:29,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:03:30,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:03:30,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-11-08 19:03:30,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/data/e79e06a6c/de6da323be52458c80b832a672ddd693/FLAG21458d5fc [2024-11-08 19:03:30,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/data/e79e06a6c/de6da323be52458c80b832a672ddd693 [2024-11-08 19:03:30,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:03:30,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:03:30,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:03:30,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:03:30,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:03:30,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dff9268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30, skipping insertion in model container [2024-11-08 19:03:30,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:03:30,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i[950,963] [2024-11-08 19:03:30,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:03:30,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:03:30,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i[950,963] [2024-11-08 19:03:30,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:03:30,409 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:03:30,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30 WrapperNode [2024-11-08 19:03:30,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:03:30,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:03:30,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:03:30,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:03:30,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,444 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-08 19:03:30,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:03:30,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:03:30,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:03:30,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:03:30,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,476 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]. [2024-11-08 19:03:30,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:03:30,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:03:30,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:03:30,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:03:30,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (1/1) ... [2024-11-08 19:03:30,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:03:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:03:30,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:03:30,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:03:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:03:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:03:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:03:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:03:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:03:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:03:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:03:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:03:30,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:03:30,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:03:30,781 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:03:30,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:03:30,794 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:03:30,794 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:03:30,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:30 BoogieIcfgContainer [2024-11-08 19:03:30,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:03:30,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:03:30,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:03:30,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:03:30,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:03:30" (1/3) ... [2024-11-08 19:03:30,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557b226b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:30, skipping insertion in model container [2024-11-08 19:03:30,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:30" (2/3) ... [2024-11-08 19:03:30,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557b226b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:30, skipping insertion in model container [2024-11-08 19:03:30,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:30" (3/3) ... [2024-11-08 19:03:30,806 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin_valuebound1.i [2024-11-08 19:03:30,826 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:03:30,826 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:03:30,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:03:30,893 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@cc2a976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:03:30,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:03:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:03:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:03:30,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:30,913 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:30,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:30,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:30,922 INFO L85 PathProgramCache]: Analyzing trace with hash -281878260, now seen corresponding path program 1 times [2024-11-08 19:03:30,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:30,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510214620] [2024-11-08 19:03:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:03:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:03:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 19:03:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 19:03:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:03:31,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:31,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510214620] [2024-11-08 19:03:31,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510214620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:31,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894651371] [2024-11-08 19:03:31,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:31,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:03:31,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:31,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:03:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:03:31,326 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:03:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:31,354 INFO L93 Difference]: Finished difference Result 55 states and 84 transitions. [2024-11-08 19:03:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:03:31,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2024-11-08 19:03:31,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:31,365 INFO L225 Difference]: With dead ends: 55 [2024-11-08 19:03:31,365 INFO L226 Difference]: Without dead ends: 25 [2024-11-08 19:03:31,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:03:31,373 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:31,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:03:31,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-08 19:03:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-08 19:03:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 19:03:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-08 19:03:31,422 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 30 [2024-11-08 19:03:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:31,422 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-08 19:03:31,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:03:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 19:03:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:03:31,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:31,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:31,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:03:31,428 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:31,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash -371828266, now seen corresponding path program 1 times [2024-11-08 19:03:31,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:31,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170320681] [2024-11-08 19:03:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:31,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:03:31,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141408927] [2024-11-08 19:03:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:31,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:03:31,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:03:31,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:03:31,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:03:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:31,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:03:31,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:03:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:03:32,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:03:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:03:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170320681] [2024-11-08 19:03:32,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:03:32,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141408927] [2024-11-08 19:03:32,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141408927] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:03:32,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:03:32,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-08 19:03:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265011043] [2024-11-08 19:03:32,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:32,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:03:32,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:03:32,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:03:32,706 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:03:33,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:33,028 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2024-11-08 19:03:33,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:03:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-08 19:03:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:33,030 INFO L225 Difference]: With dead ends: 37 [2024-11-08 19:03:33,030 INFO L226 Difference]: Without dead ends: 34 [2024-11-08 19:03:33,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:03:33,032 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:33,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 91 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:03:33,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-08 19:03:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-08 19:03:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:03:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2024-11-08 19:03:33,052 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 31 [2024-11-08 19:03:33,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:33,053 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2024-11-08 19:03:33,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:03:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-08 19:03:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:03:33,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:33,058 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:33,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:03:33,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:03:33,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:33,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:33,263 INFO L85 PathProgramCache]: Analyzing trace with hash 469231985, now seen corresponding path program 1 times [2024-11-08 19:03:33,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:33,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163203416] [2024-11-08 19:03:33,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:33,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:03:33,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660684972] [2024-11-08 19:03:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:33,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:03:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:03:33,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:03:33,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:03:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:33,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:03:33,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:03:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 19:03:33,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:03:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 19:03:34,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163203416] [2024-11-08 19:03:34,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:03:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660684972] [2024-11-08 19:03:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660684972] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:03:34,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:03:34,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-08 19:03:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670381487] [2024-11-08 19:03:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:34,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:03:34,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:34,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:03:34,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:03:34,144 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:03:38,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-08 19:03:38,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:38,616 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2024-11-08 19:03:38,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:03:38,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-08 19:03:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:38,618 INFO L225 Difference]: With dead ends: 44 [2024-11-08 19:03:38,618 INFO L226 Difference]: Without dead ends: 41 [2024-11-08 19:03:38,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:03:38,619 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 8 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:38,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 111 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 19:03:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-08 19:03:38,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2024-11-08 19:03:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:03:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-08 19:03:38,629 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 33 [2024-11-08 19:03:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:38,630 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-08 19:03:38,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:03:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-08 19:03:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:03:38,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:38,631 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:38,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:03:38,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:03:38,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:38,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:38,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2082971249, now seen corresponding path program 1 times [2024-11-08 19:03:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063377351] [2024-11-08 19:03:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:03:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:03:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 19:03:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 19:03:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:03:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:03:39,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:39,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063377351] [2024-11-08 19:03:39,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063377351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:39,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:39,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:03:39,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881956948] [2024-11-08 19:03:39,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:39,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:39,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:39,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:39,504 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 19:03:39,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:03:39,581 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-08 19:03:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:39,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-08 19:03:39,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:03:39,584 INFO L225 Difference]: With dead ends: 48 [2024-11-08 19:03:39,585 INFO L226 Difference]: Without dead ends: 34 [2024-11-08 19:03:39,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:39,587 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:03:39,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:03:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-08 19:03:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-08 19:03:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:03:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-11-08 19:03:39,604 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 39 [2024-11-08 19:03:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:03:39,605 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-08 19:03:39,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 19:03:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-08 19:03:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 19:03:39,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:03:39,608 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:39,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:03:39,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:03:39,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash -54959348, now seen corresponding path program 1 times [2024-11-08 19:03:39,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:39,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677742354] [2024-11-08 19:03:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:39,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:03:39,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447614689] [2024-11-08 19:03:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:03:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:03:39,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:03:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:03:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:39,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 19:03:39,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:03:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 19:03:40,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:05:14,937 WARN L286 SmtUtils]: Spent 24.69s on a formula simplification. DAG size of input: 132 DAG size of output: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:05:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 19:05:50,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677742354] [2024-11-08 19:05:50,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447614689] [2024-11-08 19:05:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447614689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:05:50,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:05:50,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 22 [2024-11-08 19:05:50,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681218926] [2024-11-08 19:05:50,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:05:50,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 19:05:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:50,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 19:05:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=374, Unknown=7, NotChecked=0, Total=462 [2024-11-08 19:05:50,434 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 17 states have internal predecessors, (34), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-08 19:05:51,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-08 19:05:56,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:06:00,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:06:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:01,030 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2024-11-08 19:06:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 19:06:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 17 states have internal predecessors, (34), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 41 [2024-11-08 19:06:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:01,034 INFO L225 Difference]: With dead ends: 49 [2024-11-08 19:06:01,035 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 19:06:01,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 62.9s TimeCoverageRelationStatistics Valid=143, Invalid=606, Unknown=7, NotChecked=0, Total=756 [2024-11-08 19:06:01,036 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 24 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:01,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 181 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 222 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-08 19:06:01,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 19:06:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 19:06:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 19:06:01,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-08 19:06:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:01,039 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:06:01,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 17 states have internal predecessors, (34), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-08 19:06:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 19:06:01,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:06:01,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:06:01,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 19:06:01,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:01,245 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 19:06:01,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 19:06:04,204 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:06:04,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 19:06:04,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:06:04 BoogieIcfgContainer [2024-11-08 19:06:04,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:06:04,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:06:04,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:06:04,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:06:04,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:30" (3/4) ... [2024-11-08 19:06:04,237 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:06:04,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 19:06:04,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 19:06:04,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 19:06:04,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:06:04,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:06:04,246 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:06:04,336 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:06:04,337 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 19:06:04,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:06:04,338 INFO L158 Benchmark]: Toolchain (without parser) took 154264.19ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 99.6MB in the beginning and 91.1MB in the end (delta: 8.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,338 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:06:04,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.21ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 86.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.73ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,339 INFO L158 Benchmark]: Boogie Preprocessor took 51.08ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,340 INFO L158 Benchmark]: RCFGBuilder took 298.68ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 72.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,340 INFO L158 Benchmark]: TraceAbstraction took 153434.87ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 71.6MB in the beginning and 96.3MB in the end (delta: -24.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,341 INFO L158 Benchmark]: Witness Printer took 103.92ms. Allocated memory is still 163.6MB. Free memory was 96.3MB in the beginning and 91.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:06:04,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.21ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 86.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.73ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.08ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.68ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 72.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 153434.87ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 71.6MB in the beginning and 96.3MB in the end (delta: -24.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 103.92ms. Allocated memory is still 163.6MB. Free memory was 96.3MB in the beginning and 91.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 14.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 491 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 360 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 131 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 188 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 63.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=2, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 133.2s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 271 ConstructedInterpolants, 8 QuantifiedInterpolants, 4943 SizeOfPredicates, 8 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 179/212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((A <= 1) && (B == 1)) && (q == 0)) && (r == A)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((((A <= 1) && (B == 1)) && (q == 0)) && (((long long) r + 1) <= b)) && (r == A)) || ((((0 <= 0) && (0 <= 0)) && (b == B)) && (A == ((r + ((unsigned long long) b * q)) % 4294967296)))) || ((((((A <= 1) && (B == 1)) && (1 <= b)) && (A == (((long long) b + r) % 4294967296))) && (q == 1)) && (b <= (((long long) b + r) % 4294967296)))) - ProcedureContractResult [Line: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 <= cond) Ensures: (1 <= cond) RESULT: Ultimate proved your program to be correct! [2024-11-08 19:06:04,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a36c68-77f6-4fdd-8ccd-0e11ddd3a5fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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