./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/geo2-ll2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo2-ll2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC --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 e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:03:57,266 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:03:57,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-24 00:03:57,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:03:57,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:03:57,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:03:57,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:03:57,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:03:57,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:03:57,410 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:03:57,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:03:57,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:03:57,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:03:57,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:03:57,411 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:03:57,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:03:57,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:03:57,412 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:03:57,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:03:57,412 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:03:57,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:03:57,413 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:03:57,414 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:03:57,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:03:57,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:03:57,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:03:57,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:03:57,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:03:57,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:03:57,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:03:57,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:03:57,416 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:03:57,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:03:57,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:03:57,417 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_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC
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 -> e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9
[2024-11-24 00:03:57,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:03:57,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:03:57,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:03:57,813 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:03:57,814 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:03:57,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/nla-digbench/geo2-ll2.c
[2024-11-24 00:04:01,034 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/data/458affcb3/95dd1ae2ccd54bbda04c8f0868340a8a/FLAGe27552047
[2024-11-24 00:04:01,412 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:04:01,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/sv-benchmarks/c/nla-digbench/geo2-ll2.c
[2024-11-24 00:04:01,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/data/458affcb3/95dd1ae2ccd54bbda04c8f0868340a8a/FLAGe27552047
[2024-11-24 00:04:01,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/data/458affcb3/95dd1ae2ccd54bbda04c8f0868340a8a
[2024-11-24 00:04:01,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:04:01,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:04:01,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:04:01,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:04:01,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:04:01,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c2ec8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01, skipping insertion in model container
[2024-11-24 00:04:01,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,521 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:04:01,765 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:04:01,780 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:04:01,805 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:04:01,832 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:04:01,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01 WrapperNode
[2024-11-24 00:04:01,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:04:01,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:04:01,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:04:01,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:04:01,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,881 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71
[2024-11-24 00:04:01,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:04:01,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:04:01,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:04:01,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:04:01,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,925 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:04:01,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:04:01,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:04:01,947 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:04:01,947 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:04:01,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (1/1) ...
[2024-11-24 00:04:01,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:04:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:01,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:04:02,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:04:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:04:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:04:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:04:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:04:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-24 00:04:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-24 00:04:02,112 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:04:02,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:04:02,552 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live.
[2024-11-24 00:04:02,552 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:04:02,565 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:04:02,566 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 00:04:02,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:02 BoogieIcfgContainer
[2024-11-24 00:04:02,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:04:02,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:04:02,570 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:04:02,578 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:04:02,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:04:01" (1/3) ...
[2024-11-24 00:04:02,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f61d135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:02, skipping insertion in model container
[2024-11-24 00:04:02,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:01" (2/3) ...
[2024-11-24 00:04:02,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f61d135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:02, skipping insertion in model container
[2024-11-24 00:04:02,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:02" (3/3) ...
[2024-11-24 00:04:02,584 INFO L128 eAbstractionObserver]: Analyzing ICFG geo2-ll2.c
[2024-11-24 00:04:02,604 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:04:02,608 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo2-ll2.c that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 28 error locations.
[2024-11-24 00:04:02,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:04:02,716 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;@64b02866, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:04:02,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations.
[2024-11-24 00:04:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 67 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-24 00:04:02,729 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:02,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-24 00:04:02,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:02,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:02,738 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times
[2024-11-24 00:04:02,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:02,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266073469]
[2024-11-24 00:04:02,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:02,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381936070]
[2024-11-24 00:04:02,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:02,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:02,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:04:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:02,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:02,962 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:03,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:03,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:03,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266073469]
[2024-11-24 00:04:03,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:03,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381936070]
[2024-11-24 00:04:03,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381936070] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:03,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:03,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:03,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140691925]
[2024-11-24 00:04:03,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:03,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:03,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:03,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:03,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:03,093 INFO L87 Difference]: Start difference. First operand has 71 states, 39 states have (on average 1.8205128205128205) internal successors, (71), 67 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2024-11-24 00:04:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:03,527 INFO L93 Difference]: Finished difference Result 172 states and 213 transitions.
[2024-11-24 00:04:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:03,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2024-11-24 00:04:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:03,538 INFO L225 Difference]: With dead ends: 172
[2024-11-24 00:04:03,539 INFO L226 Difference]: Without dead ends: 94
[2024-11-24 00:04:03,542 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
[2024-11-24 00:04:03,546 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 30 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:03,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 48 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 00:04:03,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-24 00:04:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86.
[2024-11-24 00:04:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 82 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions.
[2024-11-24 00:04:03,606 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 3
[2024-11-24 00:04:03,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:03,606 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions.
[2024-11-24 00:04:03,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2024-11-24 00:04:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions.
[2024-11-24 00:04:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-24 00:04:03,607 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:03,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-24 00:04:03,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:04:03,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 00:04:03,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:03,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:03,809 INFO L85 PathProgramCache]: Analyzing trace with hash 925828, now seen corresponding path program 1 times
[2024-11-24 00:04:03,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:03,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130616858]
[2024-11-24 00:04:03,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:03,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:03,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673313269]
[2024-11-24 00:04:03,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:03,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:03,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:03,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:04:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:03,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:03,884 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:03,921 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:03,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:03,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130616858]
[2024-11-24 00:04:03,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:03,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673313269]
[2024-11-24 00:04:03,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673313269] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:03,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:03,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:03,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72424631]
[2024-11-24 00:04:03,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:03,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:03,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:03,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:03,925 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 00:04:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:04,235 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions.
[2024-11-24 00:04:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:04,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2024-11-24 00:04:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:04,238 INFO L225 Difference]: With dead ends: 102
[2024-11-24 00:04:04,238 INFO L226 Difference]: Without dead ends: 94
[2024-11-24 00:04:04,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:04,239 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:04,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 45 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:04:04,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-24 00:04:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88.
[2024-11-24 00:04:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 57 states have (on average 1.6140350877192982) internal successors, (92), 84 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions.
[2024-11-24 00:04:04,262 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 4
[2024-11-24 00:04:04,262 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:04,263 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions.
[2024-11-24 00:04:04,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 00:04:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions.
[2024-11-24 00:04:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-24 00:04:04,264 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:04,264 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:04,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 00:04:04,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:04,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:04,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:04,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1470390062, now seen corresponding path program 1 times
[2024-11-24 00:04:04,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:04,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089386768]
[2024-11-24 00:04:04,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:04,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:04,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659982954]
[2024-11-24 00:04:04,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:04,495 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:04,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 00:04:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:04,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:04,545 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:04,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:04,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089386768]
[2024-11-24 00:04:04,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659982954]
[2024-11-24 00:04:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659982954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:04,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:04,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196881774]
[2024-11-24 00:04:04,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:04,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:04,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:04,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:04,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:04,636 INFO L87 Difference]: Start difference. First operand 88 states and 96 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)
[2024-11-24 00:04:04,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:04,929 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions.
[2024-11-24 00:04:04,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:04,931 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
[2024-11-24 00:04:04,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:04,932 INFO L225 Difference]: With dead ends: 99
[2024-11-24 00:04:04,932 INFO L226 Difference]: Without dead ends: 96
[2024-11-24 00:04:04,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:04,933 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:04,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 44 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:04:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-11-24 00:04:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90.
[2024-11-24 00:04:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.576271186440678) internal successors, (93), 86 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions.
[2024-11-24 00:04:04,946 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 9
[2024-11-24 00:04:04,946 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:04,946 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions.
[2024-11-24 00:04:04,947 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)
[2024-11-24 00:04:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions.
[2024-11-24 00:04:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-24 00:04:04,947 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:04,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:04,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 00:04:05,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:05,152 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:05,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:05,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1662548278, now seen corresponding path program 1 times
[2024-11-24 00:04:05,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:05,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511269884]
[2024-11-24 00:04:05,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:05,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:05,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071075390]
[2024-11-24 00:04:05,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:05,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:05,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 00:04:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:05,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:05,219 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:05,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:05,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511269884]
[2024-11-24 00:04:05,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071075390]
[2024-11-24 00:04:05,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071075390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:05,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:05,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:05,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386441394]
[2024-11-24 00:04:05,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:05,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:05,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:05,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:05,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:05,296 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2024-11-24 00:04:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:05,616 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions.
[2024-11-24 00:04:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:05,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10
[2024-11-24 00:04:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:05,618 INFO L225 Difference]: With dead ends: 99
[2024-11-24 00:04:05,618 INFO L226 Difference]: Without dead ends: 96
[2024-11-24 00:04:05,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:05,619 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 23 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:05,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 47 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:04:05,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-11-24 00:04:05,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92.
[2024-11-24 00:04:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 61 states have (on average 1.540983606557377) internal successors, (94), 88 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions.
[2024-11-24 00:04:05,628 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 10
[2024-11-24 00:04:05,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:05,628 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions.
[2024-11-24 00:04:05,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2024-11-24 00:04:05,629 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions.
[2024-11-24 00:04:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-24 00:04:05,629 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:05,629 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:05,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-24 00:04:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:05,830 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:05,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:05,831 INFO L85 PathProgramCache]: Analyzing trace with hash 610992, now seen corresponding path program 1 times
[2024-11-24 00:04:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46408757]
[2024-11-24 00:04:05,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [883745643]
[2024-11-24 00:04:05,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:05,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:05,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:05,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:05,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-24 00:04:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:05,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:05,907 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:05,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:05,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:05,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46408757]
[2024-11-24 00:04:05,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:05,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883745643]
[2024-11-24 00:04:05,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883745643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:05,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:05,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:05,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792023314]
[2024-11-24 00:04:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:05,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:05,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:05,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:05,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:05,987 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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)
[2024-11-24 00:04:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:06,280 INFO L93 Difference]: Finished difference Result 100 states and 101 transitions.
[2024-11-24 00:04:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:06,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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
[2024-11-24 00:04:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:06,281 INFO L225 Difference]: With dead ends: 100
[2024-11-24 00:04:06,281 INFO L226 Difference]: Without dead ends: 86
[2024-11-24 00:04:06,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:06,283 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:06,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 53 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:04:06,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-11-24 00:04:06,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84.
[2024-11-24 00:04:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 80 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions.
[2024-11-24 00:04:06,300 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 11
[2024-11-24 00:04:06,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:06,300 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions.
[2024-11-24 00:04:06,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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)
[2024-11-24 00:04:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions.
[2024-11-24 00:04:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-24 00:04:06,301 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:06,301 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:06,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-24 00:04:06,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:06,502 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:06,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:06,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1229381532, now seen corresponding path program 1 times
[2024-11-24 00:04:06,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:06,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991122247]
[2024-11-24 00:04:06,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:06,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991122247]
[2024-11-24 00:04:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991122247] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:06,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:04:06,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:04:06,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940077116]
[2024-11-24 00:04:06,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:06,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:04:06,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:06,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:04:06,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:04:06,664 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:06,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:06,685 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions.
[2024-11-24 00:04:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:04:06,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-11-24 00:04:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:06,687 INFO L225 Difference]: With dead ends: 86
[2024-11-24 00:04:06,687 INFO L226 Difference]: Without dead ends: 84
[2024-11-24 00:04:06,687 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
[2024-11-24 00:04:06,688 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:06,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 118 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:04:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-24 00:04:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2024-11-24 00:04:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.528301886792453) internal successors, (81), 80 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions.
[2024-11-24 00:04:06,699 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 19
[2024-11-24 00:04:06,700 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:06,701 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions.
[2024-11-24 00:04:06,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions.
[2024-11-24 00:04:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-24 00:04:06,702 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:06,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:06,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 00:04:06,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:06,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:06,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1687729786, now seen corresponding path program 1 times
[2024-11-24 00:04:06,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:06,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263458915]
[2024-11-24 00:04:06,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:06,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:06,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274291853]
[2024-11-24 00:04:06,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:06,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:06,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:06,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-24 00:04:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:06,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:06,789 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:07,246 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263458915]
[2024-11-24 00:04:07,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274291853]
[2024-11-24 00:04:07,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274291853] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:04:07,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:04:07,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2024-11-24 00:04:07,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077964722]
[2024-11-24 00:04:07,502 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:07,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:04:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:07,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:04:07,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:04:07,504 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:08,309 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions.
[2024-11-24 00:04:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 00:04:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27
[2024-11-24 00:04:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:08,316 INFO L225 Difference]: With dead ends: 124
[2024-11-24 00:04:08,316 INFO L226 Difference]: Without dead ends: 116
[2024-11-24 00:04:08,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132
[2024-11-24 00:04:08,317 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:08,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 97 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 00:04:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-11-24 00:04:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106.
[2024-11-24 00:04:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 74 states have (on average 1.554054054054054) internal successors, (115), 101 states have internal predecessors, (115), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions.
[2024-11-24 00:04:08,329 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 27
[2024-11-24 00:04:08,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:08,329 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions.
[2024-11-24 00:04:08,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions.
[2024-11-24 00:04:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-24 00:04:08,330 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:08,330 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:08,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-24 00:04:08,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:08,535 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:08,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash 780015858, now seen corresponding path program 1 times
[2024-11-24 00:04:08,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:08,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769301758]
[2024-11-24 00:04:08,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:08,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:08,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870159812]
[2024-11-24 00:04:08,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:08,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:08,559 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:08,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-24 00:04:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:08,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:08,615 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:08,971 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:09,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:09,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769301758]
[2024-11-24 00:04:09,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:09,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870159812]
[2024-11-24 00:04:09,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870159812] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:04:09,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 00:04:09,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-24 00:04:09,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277915141]
[2024-11-24 00:04:09,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:09,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 00:04:09,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:09,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 00:04:09,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:04:09,729 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:11,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2024-11-24 00:04:12,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:12,942 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions.
[2024-11-24 00:04:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 00:04:12,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28
[2024-11-24 00:04:12,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:12,944 INFO L225 Difference]: With dead ends: 122
[2024-11-24 00:04:12,944 INFO L226 Difference]: Without dead ends: 114
[2024-11-24 00:04:12,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-24 00:04:12,945 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:12,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 94 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-24 00:04:12,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-11-24 00:04:12,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 106.
[2024-11-24 00:04:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 101 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions.
[2024-11-24 00:04:12,955 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 28
[2024-11-24 00:04:12,955 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:12,955 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions.
[2024-11-24 00:04:12,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions.
[2024-11-24 00:04:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-11-24 00:04:12,956 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:12,956 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:12,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-24 00:04:13,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-11-24 00:04:13,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:13,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:13,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1004242048, now seen corresponding path program 1 times
[2024-11-24 00:04:13,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:13,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889436738]
[2024-11-24 00:04:13,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:13,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [911680711]
[2024-11-24 00:04:13,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:13,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:13,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:13,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-24 00:04:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:13,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:13,260 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:13,332 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:13,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:13,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889436738]
[2024-11-24 00:04:13,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:13,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911680711]
[2024-11-24 00:04:13,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911680711] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:04:13,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:04:13,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3
[2024-11-24 00:04:13,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073250421]
[2024-11-24 00:04:13,433 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:13,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:04:13,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:13,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:04:13,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:04:13,435 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:13,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:13,687 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions.
[2024-11-24 00:04:13,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:04:13,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33
[2024-11-24 00:04:13,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:13,689 INFO L225 Difference]: With dead ends: 117
[2024-11-24 00:04:13,689 INFO L226 Difference]: Without dead ends: 114
[2024-11-24 00:04:13,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:04:13,690 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 24 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:13,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 83 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 00:04:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-11-24 00:04:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108.
[2024-11-24 00:04:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 103 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions.
[2024-11-24 00:04:13,700 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 33
[2024-11-24 00:04:13,700 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:13,700 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 116 transitions.
[2024-11-24 00:04:13,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions.
[2024-11-24 00:04:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-24 00:04:13,701 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:13,702 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:13,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-24 00:04:13,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:13,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:13,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:13,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1066732360, now seen corresponding path program 1 times
[2024-11-24 00:04:13,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:13,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242786844]
[2024-11-24 00:04:13,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:13,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805464094]
[2024-11-24 00:04:13,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:13,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:13,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:13,929 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:13,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-24 00:04:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:13,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:13,998 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:14,343 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:15,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242786844]
[2024-11-24 00:04:15,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805464094]
[2024-11-24 00:04:15,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805464094] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:04:15,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 00:04:15,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-24 00:04:15,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167642420]
[2024-11-24 00:04:15,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:15,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 00:04:15,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:15,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 00:04:15,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:04:15,174 INFO L87 Difference]: Start difference. First operand 108 states and 116 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:16,075 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions.
[2024-11-24 00:04:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 00:04:16,075 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34
[2024-11-24 00:04:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:16,076 INFO L225 Difference]: With dead ends: 117
[2024-11-24 00:04:16,076 INFO L226 Difference]: Without dead ends: 114
[2024-11-24 00:04:16,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-24 00:04:16,078 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 52 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:16,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 104 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 00:04:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-11-24 00:04:16,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 106.
[2024-11-24 00:04:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 101 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions.
[2024-11-24 00:04:16,086 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 34
[2024-11-24 00:04:16,087 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:16,087 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions.
[2024-11-24 00:04:16,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions.
[2024-11-24 00:04:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-24 00:04:16,088 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:16,088 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:16,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-24 00:04:16,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-24 00:04:16,293 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:16,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:16,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1291035266, now seen corresponding path program 1 times
[2024-11-24 00:04:16,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:16,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861103784]
[2024-11-24 00:04:16,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:16,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 00:04:16,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884121583]
[2024-11-24 00:04:16,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:16,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-24 00:04:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:16,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:16,380 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:04:16,559 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:16,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:16,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861103784]
[2024-11-24 00:04:16,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 00:04:16,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884121583]
[2024-11-24 00:04:16,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884121583] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:04:16,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:04:16,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4
[2024-11-24 00:04:16,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125355858]
[2024-11-24 00:04:16,769 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:16,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:04:16,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:16,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:04:16,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:04:16,770 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:17,082 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions.
[2024-11-24 00:04:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:04:17,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35
[2024-11-24 00:04:17,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:17,083 INFO L225 Difference]: With dead ends: 115
[2024-11-24 00:04:17,083 INFO L226 Difference]: Without dead ends: 101
[2024-11-24 00:04:17,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:04:17,084 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 20 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:17,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 79 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:04:17,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-11-24 00:04:17,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99.
[2024-11-24 00:04:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 94 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions.
[2024-11-24 00:04:17,092 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 35
[2024-11-24 00:04:17,093 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:17,093 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions.
[2024-11-24 00:04:17,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:04:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions.
[2024-11-24 00:04:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-24 00:04:17,094 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:17,094 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:17,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-11-24 00:04:17,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:17,296 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:17,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash -896189074, now seen corresponding path program 1 times
[2024-11-24 00:04:17,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:17,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732302081]
[2024-11-24 00:04:17,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:04:17,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:17,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732302081]
[2024-11-24 00:04:17,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732302081] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:04:17,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667801713]
[2024-11-24 00:04:17,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:17,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:17,434 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:17,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-24 00:04:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:17,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:17,483 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:04:17,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:04:17,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667801713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:04:17,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:04:17,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-11-24 00:04:17,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328029658]
[2024-11-24 00:04:17,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:04:17,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:04:17,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:17,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:04:17,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:04:17,556 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:17,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:17,582 INFO L93 Difference]: Finished difference Result 99 states and 103 transitions.
[2024-11-24 00:04:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:04:17,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43
[2024-11-24 00:04:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:17,584 INFO L225 Difference]: With dead ends: 99
[2024-11-24 00:04:17,584 INFO L226 Difference]: Without dead ends: 98
[2024-11-24 00:04:17,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:04:17,585 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 29 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:17,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 99 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:04:17,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-24 00:04:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2024-11-24 00:04:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 93 states have internal predecessors, (95), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:04:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 101 transitions.
[2024-11-24 00:04:17,592 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 101 transitions. Word has length 43
[2024-11-24 00:04:17,593 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:17,593 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 101 transitions.
[2024-11-24 00:04:17,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 00:04:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 101 transitions.
[2024-11-24 00:04:17,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-24 00:04:17,594 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:17,594 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:17,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-24 00:04:17,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:17,795 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:17,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:17,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2012057448, now seen corresponding path program 1 times
[2024-11-24 00:04:17,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:17,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000554807]
[2024-11-24 00:04:17,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:04:17,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:04:17,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000554807]
[2024-11-24 00:04:17,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000554807] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:04:17,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917469525]
[2024-11-24 00:04:17,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:04:17,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:17,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:17,985 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:17,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-24 00:04:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:04:18,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:04:18,038 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:04:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:04:18,118 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:04:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:04:18,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917469525] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:04:18,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:04:18,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-11-24 00:04:18,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117684109]
[2024-11-24 00:04:18,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:04:18,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:04:18,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:04:18,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:04:18,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:04:18,216 INFO L87 Difference]: Start difference. First operand 98 states and 101 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-24 00:04:18,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:04:18,271 INFO L93 Difference]: Finished difference Result 158 states and 166 transitions.
[2024-11-24 00:04:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:04:18,271 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 44
[2024-11-24 00:04:18,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:04:18,274 INFO L225 Difference]: With dead ends: 158
[2024-11-24 00:04:18,275 INFO L226 Difference]: Without dead ends: 157
[2024-11-24 00:04:18,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:04:18,276 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 30 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:04:18,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 244 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:04:18,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2024-11-24 00:04:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 133.
[2024-11-24 00:04:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 126 states have internal predecessors, (153), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-24 00:04:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions.
[2024-11-24 00:04:18,290 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 163 transitions. Word has length 44
[2024-11-24 00:04:18,290 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:04:18,290 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 163 transitions.
[2024-11-24 00:04:18,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-24 00:04:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 163 transitions.
[2024-11-24 00:04:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-11-24 00:04:18,291 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:04:18,291 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1]
[2024-11-24 00:04:18,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-24 00:04:18,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:18,496 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] ===
[2024-11-24 00:04:18,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:04:18,496 INFO L85 PathProgramCache]: Analyzing trace with hash 878518860, now seen corresponding path program 2 times
[2024-11-24 00:04:18,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:04:18,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742994748]
[2024-11-24 00:04:18,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:04:18,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:04:18,520 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-24 00:04:18,520 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown
[2024-11-24 00:04:18,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1363992260]
[2024-11-24 00:04:18,521 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:04:18,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:04:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:04:18,525 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:04:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-24 00:04:18,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-24 00:04:18,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-24 00:04:18,587 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:04:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:04:18,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:04:18,646 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:04:18,647 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining)
[2024-11-24 00:04:18,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining)
[2024-11-24 00:04:18,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining)
[2024-11-24 00:04:18,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining)
[2024-11-24 00:04:18,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining)
[2024-11-24 00:04:18,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining)
[2024-11-24 00:04:18,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining)
[2024-11-24 00:04:18,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining)
[2024-11-24 00:04:18,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining)
[2024-11-24 00:04:18,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining)
[2024-11-24 00:04:18,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining)
[2024-11-24 00:04:18,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining)
[2024-11-24 00:04:18,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining)
[2024-11-24 00:04:18,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining)
[2024-11-24 00:04:18,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining)
[2024-11-24 00:04:18,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-24 00:04:18,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-24 00:04:18,863 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:04:18,893 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:04:18,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:04:18 BoogieIcfgContainer
[2024-11-24 00:04:18,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:04:18,897 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:04:18,898 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:04:18,898 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:04:18,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:02" (3/4) ...
[2024-11-24 00:04:18,900 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 00:04:18,951 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9.
[2024-11-24 00:04:19,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:04:19,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:04:19,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:04:19,004 INFO L158 Benchmark]: Toolchain (without parser) took 17519.28ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 78.0MB in the end (delta: 26.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
[2024-11-24 00:04:19,004 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:04:19,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.87ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 93.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:04:19,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.69ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:04:19,005 INFO L158 Benchmark]: Boogie Preprocessor took 60.88ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:04:19,005 INFO L158 Benchmark]: RCFGBuilder took 619.93ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 76.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:04:19,006 INFO L158 Benchmark]: TraceAbstraction took 16326.62ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 83.7MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:04:19,006 INFO L158 Benchmark]: Witness Printer took 105.28ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:04:19,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 346.87ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 93.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.69ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.88ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 619.93ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 76.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 16326.62ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 83.7MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 105.28ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 78.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. 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
- CounterExampleResult [Line: 34]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L24] int z, k;
[L25] long long x, y, c;
[L26] z = __VERIFIER_nondet_int()
[L27] k = __VERIFIER_nondet_int()
[L29] x = 1
[L30] y = 1
[L31] c = 1
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] EXPR x*z
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] EXPR 1 + x*z
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] EXPR 1 + x*z - x
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] EXPR z*y
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] EXPR 1 + x*z - x - z*y
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L34] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0)
[L15] COND FALSE !(!(cond))
VAL [\old(cond)=1]
[L34] RET __VERIFIER_assert(1 + x*z - x - z*y == 0)
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L36] COND FALSE !(!(c < k))
VAL [c=1, k=3, x=1, y=1, z=-2147483647]
[L39] EXPR c + 1
[L39] c = c + 1
VAL [c=2, k=3, x=1, y=1, z=-2147483647]
[L40] EXPR x * z
VAL [c=2, k=3, x=1, y=1, z=-2147483647]
[L40] EXPR x * z + 1
[L40] x = x * z + 1
VAL [c=2, k=3, x=-2147483646, y=1, z=-2147483647]
[L41] EXPR y * z
[L41] y = y * z
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] EXPR x*z
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] EXPR 1 + x*z
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] EXPR 1 + x*z - x
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] EXPR z*y
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] EXPR 1 + x*z - x - z*y
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L34] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0)
[L15] COND FALSE !(!(cond))
VAL [\old(cond)=1]
[L34] RET __VERIFIER_assert(1 + x*z - x - z*y == 0)
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L36] COND FALSE !(!(c < k))
VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L39] EXPR c + 1
[L39] c = c + 1
VAL [c=3, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L40] EXPR x * z
VAL [c=3, k=3, x=-2147483646, y=-2147483647, z=-2147483647]
[L40] EXPR x * z + 1
[L40] x = x * z + 1
VAL [c=3, k=3, x=4611686011984936963, y=-2147483647, z=-2147483647]
[L41] EXPR y * z
[L41] y = y * z
VAL [c=3, k=3, x=4611686011984936963, y=4611686014132420609, z=-2147483647]
[L34] x*z
VAL [c=3, k=3, y=4611686014132420609]
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 71 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 413 mSDsluCounter, 1155 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 652 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1921 IncrementalHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 503 mSDtfsCounter, 1921 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=13, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 84 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 475 ConstructedInterpolants, 3 QuantifiedInterpolants, 2709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 707 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 33/125 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 00:04:19,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a95dd0-d7eb-4067-839d-7cfcd3952d90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)