./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB --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 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:21:26,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:21:26,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:21:26,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:21:26,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:21:26,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:21:26,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:21:26,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:21:26,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:21:26,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:21:26,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:21:26,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:21:26,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:21:26,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:21:26,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:21:26,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:26,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:26,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:21:26,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:26,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:26,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:21:26,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:21:26,398 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:21:26,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:21:26,399 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 [2024-11-28 03:21:26,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:21:26,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:21:26,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:21:26,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:21:26,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:21:26,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2024-11-28 03:21:29,697 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/data/5bda2260f/551cecfddf5b4c2892e7f890c0b0312b/FLAG33dbdeb1d [2024-11-28 03:21:29,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:21:29,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2024-11-28 03:21:29,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/data/5bda2260f/551cecfddf5b4c2892e7f890c0b0312b/FLAG33dbdeb1d [2024-11-28 03:21:30,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/data/5bda2260f/551cecfddf5b4c2892e7f890c0b0312b [2024-11-28 03:21:30,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:21:30,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:21:30,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:30,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:21:30,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:21:30,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a28294b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30, skipping insertion in model container [2024-11-28 03:21:30,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:21:30,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:30,243 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:21:30,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:30,303 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:21:30,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30 WrapperNode [2024-11-28 03:21:30,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:30,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:30,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:21:30,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:21:30,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,349 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2024-11-28 03:21:30,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:30,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:21:30,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:21:30,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:21:30,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,390 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-28 03:21:30,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,396 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:21:30,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:21:30,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:21:30,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:21:30,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:30,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:30,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:21:30,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:21:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:21:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:21:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:21:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:21:30,569 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:21:30,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:21:30,835 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-28 03:21:30,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:21:30,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:21:30,846 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-28 03:21:30,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:30 BoogieIcfgContainer [2024-11-28 03:21:30,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:21:30,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:21:30,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:21:30,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:21:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:30" (1/3) ... [2024-11-28 03:21:30,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64830cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:30, skipping insertion in model container [2024-11-28 03:21:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (2/3) ... [2024-11-28 03:21:30,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64830cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:30, skipping insertion in model container [2024-11-28 03:21:30,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:30" (3/3) ... [2024-11-28 03:21:30,857 INFO L128 eAbstractionObserver]: Analyzing ICFG max-3-n-u.c [2024-11-28 03:21:30,873 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:21:30,874 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG max-3-n-u.c that has 1 procedures, 67 locations, 1 initial locations, 9 loop locations, and 18 error locations. [2024-11-28 03:21:30,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:21:30,944 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;@5f5d8264, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:21:30,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-28 03:21:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 48 states have (on average 1.7916666666666667) internal successors, (86), 66 states have internal predecessors, (86), 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) [2024-11-28 03:21:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:21:30,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:30,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:21:30,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:30,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash 889601250, now seen corresponding path program 1 times [2024-11-28 03:21:30,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:30,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032524828] [2024-11-28 03:21:30,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:31,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:31,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032524828] [2024-11-28 03:21:31,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032524828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:31,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:31,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:21:31,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490730393] [2024-11-28 03:21:31,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:31,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:31,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:31,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:31,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:31,240 INFO L87 Difference]: Start difference. First operand has 67 states, 48 states have (on average 1.7916666666666667) internal successors, (86), 66 states have internal predecessors, (86), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-28 03:21:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:31,419 INFO L93 Difference]: Finished difference Result 165 states and 223 transitions. [2024-11-28 03:21:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6 [2024-11-28 03:21:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:31,440 INFO L225 Difference]: With dead ends: 165 [2024-11-28 03:21:31,440 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 03:21:31,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:31,450 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 105 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:31,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 109 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 03:21:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2024-11-28 03:21:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 87 states have internal predecessors, (107), 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) [2024-11-28 03:21:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2024-11-28 03:21:31,510 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 6 [2024-11-28 03:21:31,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:31,510 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2024-11-28 03:21:31,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-28 03:21:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-11-28 03:21:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 03:21:31,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:31,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:31,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:21:31,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:31,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:31,513 INFO L85 PathProgramCache]: Analyzing trace with hash -2134908750, now seen corresponding path program 1 times [2024-11-28 03:21:31,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:31,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74401978] [2024-11-28 03:21:31,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:31,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:31,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74401978] [2024-11-28 03:21:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74401978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:31,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:31,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:21:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537818796] [2024-11-28 03:21:31,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:31,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:31,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:31,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:31,671 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-28 03:21:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:31,792 INFO L93 Difference]: Finished difference Result 124 states and 157 transitions. [2024-11-28 03:21:31,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:31,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2024-11-28 03:21:31,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:31,793 INFO L225 Difference]: With dead ends: 124 [2024-11-28 03:21:31,793 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 03:21:31,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:31,794 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 11 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:31,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 99 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 03:21:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-28 03:21:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.45) internal successors, (145), 117 states have internal predecessors, (145), 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) [2024-11-28 03:21:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 145 transitions. [2024-11-28 03:21:31,821 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 145 transitions. Word has length 9 [2024-11-28 03:21:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:31,822 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 145 transitions. [2024-11-28 03:21:31,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-28 03:21:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-11-28 03:21:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 03:21:31,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:31,823 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:31,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:21:31,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:31,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:31,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1349184176, now seen corresponding path program 1 times [2024-11-28 03:21:31,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:31,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985827873] [2024-11-28 03:21:31,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:31,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:31,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985827873] [2024-11-28 03:21:31,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985827873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:31,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:31,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:21:31,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658932859] [2024-11-28 03:21:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:31,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:31,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:31,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:31,940 INFO L87 Difference]: Start difference. First operand 118 states and 145 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-28 03:21:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:32,040 INFO L93 Difference]: Finished difference Result 234 states and 288 transitions. [2024-11-28 03:21:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:32,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2024-11-28 03:21:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:32,041 INFO L225 Difference]: With dead ends: 234 [2024-11-28 03:21:32,041 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 03:21:32,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:32,043 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 93 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:32,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 98 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 03:21:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-28 03:21:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.39) internal successors, (139), 117 states have internal predecessors, (139), 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) [2024-11-28 03:21:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2024-11-28 03:21:32,062 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 11 [2024-11-28 03:21:32,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:32,062 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2024-11-28 03:21:32,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-28 03:21:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2024-11-28 03:21:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 03:21:32,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:32,063 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:32,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:21:32,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:32,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1740315052, now seen corresponding path program 1 times [2024-11-28 03:21:32,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:32,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883718185] [2024-11-28 03:21:32,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:32,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:32,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:32,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883718185] [2024-11-28 03:21:32,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883718185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:32,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458697268] [2024-11-28 03:21:32,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:32,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:32,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:32,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:21:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:32,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:21:32,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:32,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:21:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458697268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:32,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:21:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:21:32,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111664874] [2024-11-28 03:21:32,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:32,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:32,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:32,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:32,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:21:32,310 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 03:21:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:32,408 INFO L93 Difference]: Finished difference Result 118 states and 139 transitions. [2024-11-28 03:21:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:32,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2024-11-28 03:21:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:32,410 INFO L225 Difference]: With dead ends: 118 [2024-11-28 03:21:32,410 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 03:21:32,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:21:32,411 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:32,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:32,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 03:21:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-28 03:21:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 100 states have (on average 1.33) internal successors, (133), 114 states have internal predecessors, (133), 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) [2024-11-28 03:21:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2024-11-28 03:21:32,434 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 13 [2024-11-28 03:21:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:32,434 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2024-11-28 03:21:32,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-28 03:21:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2024-11-28 03:21:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 03:21:32,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:32,435 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:32,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:21:32,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:32,637 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:32,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:32,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1884808170, now seen corresponding path program 1 times [2024-11-28 03:21:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:32,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678170050] [2024-11-28 03:21:32,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:32,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:32,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678170050] [2024-11-28 03:21:32,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678170050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:32,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137948131] [2024-11-28 03:21:32,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:32,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:32,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:32,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:32,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:21:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:32,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:21:32,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:32,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:21:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137948131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:32,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:32,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:21:32,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120816815] [2024-11-28 03:21:32,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:32,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:21:32,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:32,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:21:32,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:21:32,919 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-28 03:21:33,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:33,140 INFO L93 Difference]: Finished difference Result 208 states and 265 transitions. [2024-11-28 03:21:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:21:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) Word has length 14 [2024-11-28 03:21:33,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:33,144 INFO L225 Difference]: With dead ends: 208 [2024-11-28 03:21:33,144 INFO L226 Difference]: Without dead ends: 205 [2024-11-28 03:21:33,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:21:33,148 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:33,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 192 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:21:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-28 03:21:33,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-28 03:21:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 190 states have (on average 1.3) internal successors, (247), 204 states have internal predecessors, (247), 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) [2024-11-28 03:21:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 247 transitions. [2024-11-28 03:21:33,183 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 247 transitions. Word has length 14 [2024-11-28 03:21:33,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:33,183 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 247 transitions. [2024-11-28 03:21:33,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-28 03:21:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 247 transitions. [2024-11-28 03:21:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:21:33,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:33,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:33,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:33,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:33,385 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:33,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1702612266, now seen corresponding path program 1 times [2024-11-28 03:21:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:33,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098897738] [2024-11-28 03:21:33,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:33,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:21:33,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:33,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098897738] [2024-11-28 03:21:33,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098897738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:33,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:33,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:21:33,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331535478] [2024-11-28 03:21:33,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:33,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:33,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:33,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:33,468 INFO L87 Difference]: Start difference. First operand 205 states and 247 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-28 03:21:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:33,560 INFO L93 Difference]: Finished difference Result 406 states and 490 transitions. [2024-11-28 03:21:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:33,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2024-11-28 03:21:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:33,565 INFO L225 Difference]: With dead ends: 406 [2024-11-28 03:21:33,565 INFO L226 Difference]: Without dead ends: 400 [2024-11-28 03:21:33,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:33,566 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:33,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 95 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-28 03:21:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 391. [2024-11-28 03:21:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 376 states have (on average 1.2872340425531914) internal successors, (484), 390 states have internal predecessors, (484), 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) [2024-11-28 03:21:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 484 transitions. [2024-11-28 03:21:33,610 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 484 transitions. Word has length 15 [2024-11-28 03:21:33,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:33,611 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 484 transitions. [2024-11-28 03:21:33,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-28 03:21:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 484 transitions. [2024-11-28 03:21:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:21:33,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:33,612 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:33,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:21:33,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:33,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1607484323, now seen corresponding path program 1 times [2024-11-28 03:21:33,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:33,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998312224] [2024-11-28 03:21:33,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:21:33,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998312224] [2024-11-28 03:21:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998312224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222545241] [2024-11-28 03:21:33,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:33,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:33,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:33,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:33,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:21:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:33,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:21:33,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:21:33,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:21:33,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222545241] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:33,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:33,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-28 03:21:33,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257162885] [2024-11-28 03:21:33,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:33,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:21:33,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:33,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:21:33,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:21:33,932 INFO L87 Difference]: Start difference. First operand 391 states and 484 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-28 03:21:34,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:34,535 INFO L93 Difference]: Finished difference Result 756 states and 936 transitions. [2024-11-28 03:21:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:21:34,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) Word has length 21 [2024-11-28 03:21:34,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:34,539 INFO L225 Difference]: With dead ends: 756 [2024-11-28 03:21:34,539 INFO L226 Difference]: Without dead ends: 391 [2024-11-28 03:21:34,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:21:34,545 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 495 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:34,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 178 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:21:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-28 03:21:34,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 388. [2024-11-28 03:21:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 376 states have (on average 1.175531914893617) internal successors, (442), 387 states have internal predecessors, (442), 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) [2024-11-28 03:21:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 442 transitions. [2024-11-28 03:21:34,580 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 442 transitions. Word has length 21 [2024-11-28 03:21:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:34,580 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 442 transitions. [2024-11-28 03:21:34,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-28 03:21:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 442 transitions. [2024-11-28 03:21:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:21:34,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:34,581 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:34,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:34,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:34,782 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:34,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:34,782 INFO L85 PathProgramCache]: Analyzing trace with hash 184442088, now seen corresponding path program 2 times [2024-11-28 03:21:34,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:34,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642187487] [2024-11-28 03:21:34,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:34,805 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:34,806 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:21:34,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:34,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642187487] [2024-11-28 03:21:34,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642187487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:34,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112116905] [2024-11-28 03:21:34,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:34,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:34,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:34,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:21:34,912 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:34,912 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:34,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:21:34,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:21:34,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:21:35,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112116905] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:35,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:35,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 03:21:35,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039553829] [2024-11-28 03:21:35,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:35,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:21:35,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:35,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:21:35,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:35,021 INFO L87 Difference]: Start difference. First operand 388 states and 442 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-28 03:21:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:35,095 INFO L93 Difference]: Finished difference Result 388 states and 442 transitions. [2024-11-28 03:21:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:21:35,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) Word has length 26 [2024-11-28 03:21:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:35,098 INFO L225 Difference]: With dead ends: 388 [2024-11-28 03:21:35,098 INFO L226 Difference]: Without dead ends: 385 [2024-11-28 03:21:35,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:21:35,099 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 116 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:35,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 124 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:35,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-28 03:21:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 337. [2024-11-28 03:21:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 328 states have (on average 1.1524390243902438) internal successors, (378), 336 states have internal predecessors, (378), 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) [2024-11-28 03:21:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 378 transitions. [2024-11-28 03:21:35,127 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 378 transitions. Word has length 26 [2024-11-28 03:21:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:35,127 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 378 transitions. [2024-11-28 03:21:35,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-28 03:21:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 378 transitions. [2024-11-28 03:21:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 03:21:35,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:35,128 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:35,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:35,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:35,329 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:35,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:35,330 INFO L85 PathProgramCache]: Analyzing trace with hash -708518458, now seen corresponding path program 1 times [2024-11-28 03:21:35,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:35,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435155442] [2024-11-28 03:21:35,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-28 03:21:35,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:35,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435155442] [2024-11-28 03:21:35,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435155442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:35,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165346346] [2024-11-28 03:21:35,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:35,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:35,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:35,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:21:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:35,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:21:35,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:21:35,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:21:35,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165346346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:35,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:35,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-28 03:21:35,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572414212] [2024-11-28 03:21:35,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:35,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:21:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:35,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:21:35,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:21:35,866 INFO L87 Difference]: Start difference. First operand 337 states and 378 transitions. Second operand has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 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) [2024-11-28 03:21:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:36,993 INFO L93 Difference]: Finished difference Result 1341 states and 1591 transitions. [2024-11-28 03:21:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 03:21:36,993 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 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) Word has length 46 [2024-11-28 03:21:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:36,999 INFO L225 Difference]: With dead ends: 1341 [2024-11-28 03:21:36,999 INFO L226 Difference]: Without dead ends: 1027 [2024-11-28 03:21:37,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-28 03:21:37,003 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1208 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:37,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 225 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:21:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-28 03:21:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2024-11-28 03:21:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1018 states have (on average 1.1041257367387034) internal successors, (1124), 1026 states have internal predecessors, (1124), 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) [2024-11-28 03:21:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1124 transitions. [2024-11-28 03:21:37,084 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1124 transitions. Word has length 46 [2024-11-28 03:21:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:37,084 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1124 transitions. [2024-11-28 03:21:37,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 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) [2024-11-28 03:21:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1124 transitions. [2024-11-28 03:21:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:21:37,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:37,092 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:21:37,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:37,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:37,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:37,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:37,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1292494566, now seen corresponding path program 1 times [2024-11-28 03:21:37,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:37,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58697651] [2024-11-28 03:21:37,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:37,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-28 03:21:37,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:37,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58697651] [2024-11-28 03:21:37,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58697651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:37,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305736072] [2024-11-28 03:21:37,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:37,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:37,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:37,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:21:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:37,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:21:37,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 427 proven. 190 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:21:38,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 427 proven. 190 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 03:21:38,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305736072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:38,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:38,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-28 03:21:38,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56848514] [2024-11-28 03:21:38,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:38,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 03:21:38,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:38,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 03:21:38,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:21:38,465 INFO L87 Difference]: Start difference. First operand 1027 states and 1124 transitions. Second operand has 28 states, 28 states have (on average 4.857142857142857) internal successors, (136), 28 states have internal predecessors, (136), 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) [2024-11-28 03:21:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:40,962 INFO L93 Difference]: Finished difference Result 3087 states and 3567 transitions. [2024-11-28 03:21:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-28 03:21:40,962 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.857142857142857) internal successors, (136), 28 states have internal predecessors, (136), 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) Word has length 101 [2024-11-28 03:21:40,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:40,970 INFO L225 Difference]: With dead ends: 3087 [2024-11-28 03:21:40,971 INFO L226 Difference]: Without dead ends: 2107 [2024-11-28 03:21:40,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-28 03:21:40,975 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 2481 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:40,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2481 Valid, 424 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:21:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2024-11-28 03:21:41,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 2104. [2024-11-28 03:21:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2098 states have (on average 1.0834127740705435) internal successors, (2273), 2103 states have internal predecessors, (2273), 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) [2024-11-28 03:21:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2273 transitions. [2024-11-28 03:21:41,089 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2273 transitions. Word has length 101 [2024-11-28 03:21:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:41,090 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2273 transitions. [2024-11-28 03:21:41,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.857142857142857) internal successors, (136), 28 states have internal predecessors, (136), 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) [2024-11-28 03:21:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2273 transitions. [2024-11-28 03:21:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-28 03:21:41,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:41,095 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 03:21:41,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:21:41,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:41,296 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:41,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:41,297 INFO L85 PathProgramCache]: Analyzing trace with hash 139408134, now seen corresponding path program 1 times [2024-11-28 03:21:41,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:41,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882964729] [2024-11-28 03:21:41,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:41,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 0 proven. 1992 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2024-11-28 03:21:41,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882964729] [2024-11-28 03:21:41,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882964729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61166752] [2024-11-28 03:21:41,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:41,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:41,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:41,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:41,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:21:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:41,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:21:41,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 1987 proven. 946 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2024-11-28 03:21:42,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 1987 proven. 946 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2024-11-28 03:21:43,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61166752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:43,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:43,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-28 03:21:43,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077235073] [2024-11-28 03:21:43,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:43,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-28 03:21:43,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:43,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-28 03:21:43,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-28 03:21:43,747 INFO L87 Difference]: Start difference. First operand 2104 states and 2273 transitions. Second operand has 52 states, 52 states have (on average 4.480769230769231) internal successors, (233), 52 states have internal predecessors, (233), 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) [2024-11-28 03:21:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:52,433 INFO L93 Difference]: Finished difference Result 8406 states and 9689 transitions. [2024-11-28 03:21:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-28 03:21:52,434 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.480769230769231) internal successors, (233), 52 states have internal predecessors, (233), 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) Word has length 198 [2024-11-28 03:21:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:52,455 INFO L225 Difference]: With dead ends: 8406 [2024-11-28 03:21:52,455 INFO L226 Difference]: Without dead ends: 6397 [2024-11-28 03:21:52,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-28 03:21:52,464 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 8679 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 1254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8679 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:52,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8679 Valid, 362 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1254 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:21:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6397 states. [2024-11-28 03:21:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6397 to 6391. [2024-11-28 03:21:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 6385 states have (on average 1.0747063429913861) internal successors, (6862), 6390 states have internal predecessors, (6862), 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) [2024-11-28 03:21:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 6862 transitions. [2024-11-28 03:21:52,757 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 6862 transitions. Word has length 198 [2024-11-28 03:21:52,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:52,758 INFO L471 AbstractCegarLoop]: Abstraction has 6391 states and 6862 transitions. [2024-11-28 03:21:52,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.480769230769231) internal successors, (233), 52 states have internal predecessors, (233), 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) [2024-11-28 03:21:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 6862 transitions. [2024-11-28 03:21:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-11-28 03:21:52,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:52,771 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 138, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-28 03:21:52,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:21:52,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:52,975 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:52,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash 73168128, now seen corresponding path program 2 times [2024-11-28 03:21:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:52,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296287136] [2024-11-28 03:21:52,976 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:53,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:53,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 38241 backedges. 0 proven. 17120 refuted. 0 times theorem prover too weak. 21121 trivial. 0 not checked. [2024-11-28 03:21:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:53,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296287136] [2024-11-28 03:21:53,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296287136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:53,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184222426] [2024-11-28 03:21:53,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:53,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:53,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:53,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:21:53,363 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:53,364 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:53,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:21:53,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 38241 backedges. 0 proven. 17120 refuted. 0 times theorem prover too weak. 21121 trivial. 0 not checked. [2024-11-28 03:21:54,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 38241 backedges. 0 proven. 17120 refuted. 0 times theorem prover too weak. 21121 trivial. 0 not checked. [2024-11-28 03:21:54,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184222426] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:54,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:54,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 03:21:54,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371999158] [2024-11-28 03:21:54,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:54,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:21:54,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:54,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:21:54,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:54,955 INFO L87 Difference]: Start difference. First operand 6391 states and 6862 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-11-28 03:21:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:55,159 INFO L93 Difference]: Finished difference Result 6391 states and 6862 transitions. [2024-11-28 03:21:55,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:21:55,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) Word has length 571 [2024-11-28 03:21:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:55,180 INFO L225 Difference]: With dead ends: 6391 [2024-11-28 03:21:55,180 INFO L226 Difference]: Without dead ends: 6388 [2024-11-28 03:21:55,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:21:55,183 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 64 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:55,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 77 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:55,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6388 states. [2024-11-28 03:21:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6388 to 2167. [2024-11-28 03:21:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2164 states have (on average 1.0762476894639557) internal successors, (2329), 2166 states have internal predecessors, (2329), 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) [2024-11-28 03:21:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2329 transitions. [2024-11-28 03:21:55,408 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2329 transitions. Word has length 571 [2024-11-28 03:21:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:55,409 INFO L471 AbstractCegarLoop]: Abstraction has 2167 states and 2329 transitions. [2024-11-28 03:21:55,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-11-28 03:21:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2329 transitions. [2024-11-28 03:21:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2024-11-28 03:21:55,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:55,429 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 138, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-28 03:21:55,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:21:55,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:55,633 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-28 03:21:55,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:55,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1439251864, now seen corresponding path program 2 times [2024-11-28 03:21:55,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066822111] [2024-11-28 03:21:55,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:55,762 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:55,762 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 38265 backedges. 0 proven. 17134 refuted. 0 times theorem prover too weak. 21131 trivial. 0 not checked. [2024-11-28 03:21:55,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:55,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066822111] [2024-11-28 03:21:55,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066822111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:55,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709896606] [2024-11-28 03:21:55,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:55,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:55,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:55,795 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:21:56,098 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:21:56,098 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:56,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:21:56,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 38265 backedges. 0 proven. 17134 refuted. 0 times theorem prover too weak. 21131 trivial. 0 not checked. [2024-11-28 03:21:56,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38265 backedges. 0 proven. 17134 refuted. 0 times theorem prover too weak. 21131 trivial. 0 not checked. [2024-11-28 03:21:57,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709896606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:57,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:21:57,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 03:21:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202121658] [2024-11-28 03:21:57,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:57,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:21:57,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:57,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:21:57,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:57,481 INFO L87 Difference]: Start difference. First operand 2167 states and 2329 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) [2024-11-28 03:21:57,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:57,636 INFO L93 Difference]: Finished difference Result 2167 states and 2329 transitions. [2024-11-28 03:21:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:21:57,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) Word has length 584 [2024-11-28 03:21:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:57,639 INFO L225 Difference]: With dead ends: 2167 [2024-11-28 03:21:57,639 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:21:57,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1171 GetRequests, 1165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:21:57,642 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 70 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:57,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 41 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:21:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:21:57,643 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) [2024-11-28 03:21:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:21:57,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 584 [2024-11-28 03:21:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:57,644 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:21:57,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) [2024-11-28 03:21:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:21:57,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:21:57,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-28 03:21:57,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-28 03:21:57,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-28 03:21:57,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:21:57,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:21:57,857 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:57,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:22:14,472 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:22:14,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:22:14 BoogieIcfgContainer [2024-11-28 03:22:14,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:22:14,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:22:14,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:22:14,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:22:14,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:30" (3/4) ... [2024-11-28 03:22:14,506 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:22:14,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 03:22:14,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:22:14,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:22:14,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:22:14,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:22:14,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:22:14,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:22:14,649 INFO L158 Benchmark]: Toolchain (without parser) took 44644.98ms. Allocated memory was 117.4MB in the beginning and 939.5MB in the end (delta: 822.1MB). Free memory was 92.7MB in the beginning and 432.5MB in the end (delta: -339.8MB). Peak memory consumption was 477.9MB. Max. memory is 16.1GB. [2024-11-28 03:22:14,650 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:14,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.38ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:22:14,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:14,650 INFO L158 Benchmark]: Boogie Preprocessor took 66.67ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:22:14,651 INFO L158 Benchmark]: RCFGBuilder took 429.37ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.8MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:22:14,651 INFO L158 Benchmark]: TraceAbstraction took 43652.89ms. Allocated memory was 117.4MB in the beginning and 939.5MB in the end (delta: 822.1MB). Free memory was 63.2MB in the beginning and 436.6MB in the end (delta: -373.4MB). Peak memory consumption was 556.3MB. Max. memory is 16.1GB. [2024-11-28 03:22:14,651 INFO L158 Benchmark]: Witness Printer took 145.88ms. Allocated memory is still 939.5MB. Free memory was 436.6MB in the beginning and 432.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:14,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.38ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.67ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 429.37ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.8MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 43652.89ms. Allocated memory was 117.4MB in the beginning and 939.5MB in the end (delta: 822.1MB). Free memory was 63.2MB in the beginning and 436.6MB in the end (delta: -373.4MB). Peak memory consumption was 556.3MB. Max. memory is 16.1GB. * Witness Printer took 145.88ms. Allocated memory is still 939.5MB. Free memory was 436.6MB in the beginning and 432.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 67 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 13, TraceHistogramMax: 138, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13433 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13433 mSDsluCounter, 2120 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1526 mSDsCounter, 1811 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2589 IncrementalHoareTripleChecker+Invalid, 4400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1811 mSolverCounterUnsat, 594 mSDtfsCounter, 2589 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3363 GetRequests, 3033 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6391occurred in iteration=11, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 4296 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 3189 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4720 ConstructedInterpolants, 0 QuantifiedInterpolants, 14186 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1414 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 136538/244191 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:22:14,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e4eb88-edad-4dc2-ad6a-ccbe64f487fd/bin/uautomizer-verify-aQ6SnzHsRB/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