./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1 --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 1b503f9744330c40db60063d7713649b00b515fae7df517a0a6da071e866822e
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:33:15,105 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:33:15,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 12:33:15,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:33:15,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:33:15,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:33:15,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:33:15,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:33:15,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:33:15,183 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:33:15,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:33:15,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:33:15,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:33:15,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 12:33:15,184 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:33:15,185 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:33:15,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:33:15,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:33:15,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:33:15,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:33:15,186 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_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1
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 -> 1b503f9744330c40db60063d7713649b00b515fae7df517a0a6da071e866822e
[2024-12-02 12:33:15,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:33:15,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:33:15,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:33:15,399 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:33:15,399 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:33:15,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i
[2024-12-02 12:33:17,999 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/data/868fa3804/6eebcda0426f4bccb55b4b665f00ec4f/FLAGd145b22bb
[2024-12-02 12:33:18,214 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:33:18,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i
[2024-12-02 12:33:18,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/data/868fa3804/6eebcda0426f4bccb55b4b665f00ec4f/FLAGd145b22bb
[2024-12-02 12:33:18,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/data/868fa3804/6eebcda0426f4bccb55b4b665f00ec4f
[2024-12-02 12:33:18,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:33:18,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:33:18,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:33:18,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:33:18,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:33:18,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a735115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18, skipping insertion in model container
[2024-12-02 12:33:18,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,582 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:33:18,686 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:33:18,693 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:33:18,703 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:33:18,714 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:33:18,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18 WrapperNode
[2024-12-02 12:33:18,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:33:18,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:33:18,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:33:18,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:33:18,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,736 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38
[2024-12-02 12:33:18,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:33:18,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:33:18,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:33:18,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:33:18,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,751 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].
[2024-12-02 12:33:18,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:33:18,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:33:18,760 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:33:18,760 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:33:18,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (1/1) ...
[2024-12-02 12:33:18,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:33:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:33:18,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:33:18,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:33:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:33:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:33:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:33:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:33:18,853 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:33:18,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:33:18,952 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-12-02 12:33:18,952 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:33:18,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:33:18,963 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 12:33:18,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:18 BoogieIcfgContainer
[2024-12-02 12:33:18,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:33:18,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:33:18,967 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:33:18,971 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:33:18,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:33:18" (1/3) ...
[2024-12-02 12:33:18,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a33a846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:18, skipping insertion in model container
[2024-12-02 12:33:18,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:18" (2/3) ...
[2024-12-02 12:33:18,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a33a846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:18, skipping insertion in model container
[2024-12-02 12:33:18,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:18" (3/3) ...
[2024-12-02 12:33:18,973 INFO L128 eAbstractionObserver]: Analyzing ICFG benchmark01_conjunctive.i
[2024-12-02 12:33:18,987 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:33:18,989 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark01_conjunctive.i that has 1 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations.
[2024-12-02 12:33:19,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:33:19,048 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;@5437215f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:33:19,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 12:33:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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)
[2024-12-02 12:33:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 12:33:19,056 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:19,057 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 12:33:19,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:19,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash 889570283, now seen corresponding path program 1 times
[2024-12-02 12:33:19,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:19,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159600873]
[2024-12-02 12:33:19,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:33:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:33:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:19,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:19,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159600873]
[2024-12-02 12:33:19,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159600873] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:33:19,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:33:19,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:33:19,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949813356]
[2024-12-02 12:33:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:33:19,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:33:19,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:19,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:33:19,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:33:19,260 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:33:19,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:19,297 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions.
[2024-12-02 12:33:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:33:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 12:33:19,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:19,305 INFO L225 Difference]: With dead ends: 24
[2024-12-02 12:33:19,305 INFO L226 Difference]: Without dead ends: 8
[2024-12-02 12:33:19,308 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
[2024-12-02 12:33:19,311 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 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
[2024-12-02 12:33:19,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:33:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2024-12-02 12:33:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2024-12-02 12:33:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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)
[2024-12-02 12:33:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2024-12-02 12:33:19,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6
[2024-12-02 12:33:19,339 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:19,339 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2024-12-02 12:33:19,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:33:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2024-12-02 12:33:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 12:33:19,340 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:19,340 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:33:19,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:33:19,341 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:19,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:19,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1806875048, now seen corresponding path program 1 times
[2024-12-02 12:33:19,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:19,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684454452]
[2024-12-02 12:33:19,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:33:19,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:33:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:19,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:19,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684454452]
[2024-12-02 12:33:19,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684454452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:33:19,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:33:19,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:33:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037025712]
[2024-12-02 12:33:19,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:33:19,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:33:19,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:19,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:33:19,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:33:19,396 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2024-12-02 12:33:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:19,412 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions.
[2024-12-02 12:33:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:33:19,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7
[2024-12-02 12:33:19,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:19,413 INFO L225 Difference]: With dead ends: 13
[2024-12-02 12:33:19,413 INFO L226 Difference]: Without dead ends: 12
[2024-12-02 12:33:19,413 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
[2024-12-02 12:33:19,414 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:33:19,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:33:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-12-02 12:33:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2024-12-02 12:33:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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)
[2024-12-02 12:33:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2024-12-02 12:33:19,418 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 7
[2024-12-02 12:33:19,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:19,418 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2024-12-02 12:33:19,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2024-12-02 12:33:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2024-12-02 12:33:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 12:33:19,419 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:19,419 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1]
[2024-12-02 12:33:19,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:33:19,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:19,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:19,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2063660077, now seen corresponding path program 1 times
[2024-12-02 12:33:19,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:19,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156316006]
[2024-12-02 12:33:19,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:33:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:33:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:19,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:19,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156316006]
[2024-12-02 12:33:19,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156316006] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:33:19,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235659573]
[2024-12-02 12:33:19,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:33:19,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:19,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:33:19,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:33:19,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:33:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:33:19,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 12:33:19,579 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:33:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:19,680 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:33:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:19,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235659573] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:33:19,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:33:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2024-12-02 12:33:19,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607223272]
[2024-12-02 12:33:19,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:33:19,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 12:33:19,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:19,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 12:33:19,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:33:19,744 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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)
[2024-12-02 12:33:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:19,783 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions.
[2024-12-02 12:33:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 12:33:19,784 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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
[2024-12-02 12:33:19,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:19,784 INFO L225 Difference]: With dead ends: 25
[2024-12-02 12:33:19,785 INFO L226 Difference]: Without dead ends: 24
[2024-12-02 12:33:19,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72
[2024-12-02 12:33:19,786 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:33:19,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:33:19,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-12-02 12:33:19,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-12-02 12:33:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 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)
[2024-12-02 12:33:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2024-12-02 12:33:19,791 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 11
[2024-12-02 12:33:19,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:19,791 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2024-12-02 12:33:19,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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)
[2024-12-02 12:33:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2024-12-02 12:33:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 12:33:19,791 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:19,792 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1]
[2024-12-02 12:33:19,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:33:19,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:19,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:19,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash -103816004, now seen corresponding path program 2 times
[2024-12-02 12:33:19,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:19,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269627048]
[2024-12-02 12:33:19,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:33:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:20,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:33:20,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:20,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269627048]
[2024-12-02 12:33:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269627048] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:33:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865292036]
[2024-12-02 12:33:20,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 12:33:20,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:33:20,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:33:20,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 12:33:20,234 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 12:33:20,234 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:20,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 12:33:20,236 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:33:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:20,404 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:33:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:20,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865292036] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:33:20,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:33:20,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16
[2024-12-02 12:33:20,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482995906]
[2024-12-02 12:33:20,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:33:20,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-12-02 12:33:20,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:20,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-12-02 12:33:20,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=153, Unknown=0, NotChecked=0, Total=272
[2024-12-02 12:33:20,522 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 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)
[2024-12-02 12:33:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:20,588 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions.
[2024-12-02 12:33:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 12:33:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 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 23
[2024-12-02 12:33:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:20,589 INFO L225 Difference]: With dead ends: 49
[2024-12-02 12:33:20,589 INFO L226 Difference]: Without dead ends: 48
[2024-12-02 12:33:20,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=170, Unknown=0, NotChecked=0, Total=306
[2024-12-02 12:33:20,591 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:33:20,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:33:20,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-12-02 12:33:20,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-12-02 12:33:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 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)
[2024-12-02 12:33:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions.
[2024-12-02 12:33:20,598 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 23
[2024-12-02 12:33:20,598 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:20,598 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions.
[2024-12-02 12:33:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 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)
[2024-12-02 12:33:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions.
[2024-12-02 12:33:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-12-02 12:33:20,599 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:20,599 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 1, 1, 1, 1]
[2024-12-02 12:33:20,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 12:33:20,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:20,800 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:20,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1491167834, now seen corresponding path program 3 times
[2024-12-02 12:33:20,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912732281]
[2024-12-02 12:33:20,801 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 12:33:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:20,834 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-12-02 12:33:20,834 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:21,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:21,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912732281]
[2024-12-02 12:33:21,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912732281] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:33:21,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800303646]
[2024-12-02 12:33:21,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 12:33:21,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:21,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:33:21,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:33:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 12:33:21,254 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-12-02 12:33:21,254 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:21,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-12-02 12:33:21,257 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:33:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:21,580 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:33:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:21,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800303646] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:33:21,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:33:21,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34
[2024-12-02 12:33:21,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24852164]
[2024-12-02 12:33:21,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:33:21,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-12-02 12:33:21,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:21,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-12-02 12:33:21,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=648, Unknown=0, NotChecked=0, Total=1190
[2024-12-02 12:33:21,859 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 35 states, 34 states have (on average 4.029411764705882) internal successors, (137), 35 states have internal predecessors, (137), 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)
[2024-12-02 12:33:21,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:21,983 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions.
[2024-12-02 12:33:21,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-12-02 12:33:21,983 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.029411764705882) internal successors, (137), 35 states have internal predecessors, (137), 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 47
[2024-12-02 12:33:21,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:21,984 INFO L225 Difference]: With dead ends: 97
[2024-12-02 12:33:21,984 INFO L226 Difference]: Without dead ends: 96
[2024-12-02 12:33:21,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=577, Invalid=683, Unknown=0, NotChecked=0, Total=1260
[2024-12-02 12:33:21,986 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:33:21,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:33:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-12-02 12:33:21,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2024-12-02 12:33:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 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)
[2024-12-02 12:33:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions.
[2024-12-02 12:33:21,995 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 47
[2024-12-02 12:33:21,996 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:21,996 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions.
[2024-12-02 12:33:21,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.029411764705882) internal successors, (137), 35 states have internal predecessors, (137), 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)
[2024-12-02 12:33:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions.
[2024-12-02 12:33:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-12-02 12:33:21,998 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:21,998 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 1, 1, 1, 1]
[2024-12-02 12:33:22,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 12:33:22,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:22,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:22,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1338247062, now seen corresponding path program 4 times
[2024-12-02 12:33:22,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:22,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906255690]
[2024-12-02 12:33:22,199 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 12:33:22,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:22,236 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 12:33:22,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:23,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:33:23,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906255690]
[2024-12-02 12:33:23,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906255690] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:33:23,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473208696]
[2024-12-02 12:33:23,700 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 12:33:23,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:33:23,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:33:23,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 12:33:23,772 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 12:33:23,773 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 12:33:23,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 47 conjuncts are in the unsatisfiable core
[2024-12-02 12:33:23,779 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:33:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:24,775 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:33:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:33:25,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473208696] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:33:25,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:33:25,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70
[2024-12-02 12:33:25,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932189269]
[2024-12-02 12:33:25,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:33:25,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states
[2024-12-02 12:33:25,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:33:25,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants.
[2024-12-02 12:33:25,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1926, Invalid=3044, Unknown=0, NotChecked=0, Total=4970
[2024-12-02 12:33:25,724 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand has 71 states, 70 states have (on average 4.014285714285714) internal successors, (281), 71 states have internal predecessors, (281), 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)
[2024-12-02 12:33:25,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:33:25,879 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions.
[2024-12-02 12:33:25,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2024-12-02 12:33:25,880 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 4.014285714285714) internal successors, (281), 71 states have internal predecessors, (281), 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 95
[2024-12-02 12:33:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:33:25,881 INFO L225 Difference]: With dead ends: 129
[2024-12-02 12:33:25,881 INFO L226 Difference]: Without dead ends: 128
[2024-12-02 12:33:25,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1997, Invalid=3115, Unknown=0, NotChecked=0, Total=5112
[2024-12-02 12:33:25,884 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:33:25,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:33:25,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-12-02 12:33:25,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2024-12-02 12:33:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.0078740157480315) internal successors, (128), 127 states have internal predecessors, (128), 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)
[2024-12-02 12:33:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions.
[2024-12-02 12:33:25,895 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 95
[2024-12-02 12:33:25,895 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:33:25,895 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions.
[2024-12-02 12:33:25,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 4.014285714285714) internal successors, (281), 71 states have internal predecessors, (281), 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)
[2024-12-02 12:33:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions.
[2024-12-02 12:33:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-12-02 12:33:25,897 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:33:25,897 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 1, 1, 1, 1]
[2024-12-02 12:33:25,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-02 12:33:26,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:33:26,101 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 12:33:26,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:33:26,102 INFO L85 PathProgramCache]: Analyzing trace with hash -978682434, now seen corresponding path program 5 times
[2024-12-02 12:33:26,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:33:26,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719845370]
[2024-12-02 12:33:26,102 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 12:33:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:33:26,322 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s)
[2024-12-02 12:33:26,322 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 12:33:26,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:33:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:33:26,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 12:33:26,388 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:33:26,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-12-02 12:33:26,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-12-02 12:33:26,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:33:26,393 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1]
[2024-12-02 12:33:26,424 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:33:26,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:33:26 BoogieIcfgContainer
[2024-12-02 12:33:26,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:33:26,428 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:33:26,428 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:33:26,428 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:33:26,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:18" (3/4) ...
[2024-12-02 12:33:26,429 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 12:33:26,477 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 33.
[2024-12-02 12:33:26,523 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:33:26,523 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:33:26,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:33:26,524 INFO L158 Benchmark]: Toolchain (without parser) took 7956.97ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 117.2MB in the beginning and 234.0MB in the end (delta: -116.7MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB.
[2024-12-02 12:33:26,525 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:33:26,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.13ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:33:26,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.36ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:33:26,525 INFO L158 Benchmark]: Boogie Preprocessor took 23.01ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:33:26,526 INFO L158 Benchmark]: RCFGBuilder took 203.68ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:33:26,526 INFO L158 Benchmark]: TraceAbstraction took 7461.12ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 93.7MB in the beginning and 240.7MB in the end (delta: -147.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB.
[2024-12-02 12:33:26,526 INFO L158 Benchmark]: Witness Printer took 95.66ms. Allocated memory is still 318.8MB. Free memory was 240.7MB in the beginning and 234.0MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:33:26,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 146.13ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 21.36ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.01ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 203.68ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 7461.12ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 93.7MB in the beginning and 240.7MB in the end (delta: -147.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB.
* Witness Printer took 95.66ms. Allocated memory is still 318.8MB. Free memory was 240.7MB in the beginning and 234.0MB in the end (delta: 6.8MB). 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: 24]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L20] int x = __VERIFIER_nondet_int();
[L21] int y = __VERIFIER_nondet_int();
[L22] COND FALSE !(!(x==1 && y==1))
VAL [x=1, y=1]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=2, y=2]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=4, y=4]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=8, y=8]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=16, y=16]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=32, y=32]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=64, y=64]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=128, y=128]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=256, y=256]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=512, y=512]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=1024, y=1024]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=2048, y=2048]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=4096, y=4096]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=8192, y=8192]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=16384, y=16384]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=32768, y=32768]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=65536, y=65536]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=131072, y=131072]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=262144, y=262144]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=524288, y=524288]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=1048576, y=1048576]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=2097152, y=2097152]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=4194304, y=4194304]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=8388608, y=8388608]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=16777216, y=16777216]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=33554432, y=33554432]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=67108864, y=67108864]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=134217728, y=134217728]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=268435456, y=268435456]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=536870912, y=536870912]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] EXPR x+y
[L24] x=x+y
[L25] y=x
VAL [x=1073741824, y=1073741824]
[L23] COND TRUE __VERIFIER_nondet_bool()
[L24] x+y
- UnprovableResult [Line: 24]: 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 1 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 7, TraceHistogramMax: 31, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 235 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 42 mSDtfsCounter, 235 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=6, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 3075 SizeOfPredicates, 8 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3828 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!
[2024-12-02 12:33:26,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be702b2a-0aca-4436-b1c4-3f80a30f50d0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)