./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.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_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/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_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/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_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/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 b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:03:54,946 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:03:54,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 13:03:54,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:03:54,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:03:55,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:03:55,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:03:55,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:03:55,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:03:55,017 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:03:55,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:03:55,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:03:55,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:03:55,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:03:55,018 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:03:55,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:03:55,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:03:55,018 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:03:55,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:03:55,019 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:03:55,020 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:03:55,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:03:55,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:03:55,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:03:55,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:03:55,022 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_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/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 -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2
[2024-12-02 13:03:55,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:03:55,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:03:55,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:03:55,226 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:03:55,227 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:03:55,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i
[2024-12-02 13:03:57,811 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/data/77c23c650/be554e5b90be4d498a8ffe46b87119dd/FLAG29f3189c8
[2024-12-02 13:03:57,993 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:03:57,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i
[2024-12-02 13:03:58,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/data/77c23c650/be554e5b90be4d498a8ffe46b87119dd/FLAG29f3189c8
[2024-12-02 13:03:58,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/data/77c23c650/be554e5b90be4d498a8ffe46b87119dd
[2024-12-02 13:03:58,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:03:58,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:03:58,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:03:58,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:03:58,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:03:58,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28324f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58, skipping insertion in model container
[2024-12-02 13:03:58,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,404 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:03:58,520 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:03:58,527 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:03:58,543 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:03:58,552 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:03:58,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58 WrapperNode
[2024-12-02 13:03:58,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:03:58,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:03:58,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:03:58,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:03:58,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,574 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2024-12-02 13:03:58,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:03:58,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:03:58,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:03:58,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:03:58,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,591 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 3, 1].
[2024-12-02 13:03:58,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,596 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:03:58,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:03:58,602 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:03:58,602 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:03:58,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (1/1) ...
[2024-12-02 13:03:58,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:03:58,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:03:58,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:03:58,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 13:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:03:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 13:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 13:03:58,721 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:03:58,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:03:58,834 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 13:03:58,834 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:03:58,841 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:03:58,841 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 13:03:58,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:58 BoogieIcfgContainer
[2024-12-02 13:03:58,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:03:58,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:03:58,843 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:03:58,846 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:03:58,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:03:58" (1/3) ...
[2024-12-02 13:03:58,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e56f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:58, skipping insertion in model container
[2024-12-02 13:03:58,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:58" (2/3) ...
[2024-12-02 13:03:58,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e56f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:58, skipping insertion in model container
[2024-12-02 13:03:58,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:58" (3/3) ...
[2024-12-02 13:03:58,848 INFO L128 eAbstractionObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i
[2024-12-02 13:03:58,860 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:03:58,861 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array_ptr_single_elem_init-2.i that has 1 procedures, 30 locations, 1 initial locations, 2 loop locations, and 4 error locations.
[2024-12-02 13:03:58,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:03:58,921 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;@3add0e31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:03:58,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 13:03:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 25 states have (on average 1.56) internal successors, (39), 29 states have internal predecessors, (39), 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 13:03:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 13:03:58,929 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:03:58,930 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:03:58,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:03:58,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:58,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1093841438, now seen corresponding path program 1 times
[2024-12-02 13:03:58,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:58,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856821150]
[2024-12-02 13:03:58,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:58,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:59,048 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 13:03:59,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:59,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856821150]
[2024-12-02 13:03:59,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856821150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:59,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:59,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:03:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218119163]
[2024-12-02 13:03:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:59,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 13:03:59,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:59,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 13:03:59,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 13:03:59,068 INFO L87 Difference]: Start difference. First operand has 30 states, 25 states have (on average 1.56) internal successors, (39), 29 states have internal predecessors, (39), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 13:03:59,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:59,078 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions.
[2024-12-02 13:03:59,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 13:03:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) Word has length 8
[2024-12-02 13:03:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:59,084 INFO L225 Difference]: With dead ends: 46
[2024-12-02 13:03:59,084 INFO L226 Difference]: Without dead ends: 23
[2024-12-02 13:03:59,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 13:03:59,088 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:59,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:03:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-12-02 13:03:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-12-02 13:03:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:03:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions.
[2024-12-02 13:03:59,112 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 8
[2024-12-02 13:03:59,113 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:59,113 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions.
[2024-12-02 13:03:59,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 13:03:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions.
[2024-12-02 13:03:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 13:03:59,113 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:03:59,114 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:03:59,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:03:59,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:03:59,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 292225210, now seen corresponding path program 1 times
[2024-12-02 13:03:59,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:59,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82577147]
[2024-12-02 13:03:59,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:59,188 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 13:03:59,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:59,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82577147]
[2024-12-02 13:03:59,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82577147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:59,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:59,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:03:59,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815154071]
[2024-12-02 13:03:59,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:59,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:03:59,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:59,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:03:59,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:03:59,190 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 13:03:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:59,248 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions.
[2024-12-02 13:03:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:03:59,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Word has length 8
[2024-12-02 13:03:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:59,249 INFO L225 Difference]: With dead ends: 43
[2024-12-02 13:03:59,249 INFO L226 Difference]: Without dead ends: 33
[2024-12-02 13:03:59,250 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
[2024-12-02 13:03:59,250 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:59,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 28 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:03:59,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-12-02 13:03:59,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26.
[2024-12-02 13:03:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 25 states have internal predecessors, (31), 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 13:03:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2024-12-02 13:03:59,255 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 8
[2024-12-02 13:03:59,256 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:59,256 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2024-12-02 13:03:59,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 13:03:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2024-12-02 13:03:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 13:03:59,256 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:03:59,256 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:03:59,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:03:59,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:03:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2135919722, now seen corresponding path program 1 times
[2024-12-02 13:03:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994916815]
[2024-12-02 13:03:59,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:59,352 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 13:03:59,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:59,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994916815]
[2024-12-02 13:03:59,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994916815] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:03:59,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:03:59,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:03:59,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162447959]
[2024-12-02 13:03:59,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:03:59,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:03:59,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:59,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:03:59,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:03:59,353 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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)
[2024-12-02 13:03:59,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:59,439 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions.
[2024-12-02 13:03:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:03:59,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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
[2024-12-02 13:03:59,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:59,440 INFO L225 Difference]: With dead ends: 37
[2024-12-02 13:03:59,440 INFO L226 Difference]: Without dead ends: 35
[2024-12-02 13:03:59,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:03:59,441 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:59,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:03:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2024-12-02 13:03:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34.
[2024-12-02 13:03:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.4) internal successors, (42), 33 states have internal predecessors, (42), 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 13:03:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions.
[2024-12-02 13:03:59,446 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 9
[2024-12-02 13:03:59,446 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:59,446 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions.
[2024-12-02 13:03:59,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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)
[2024-12-02 13:03:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions.
[2024-12-02 13:03:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 13:03:59,447 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:03:59,447 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:03:59,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:03:59,447 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:03:59,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:03:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1241781476, now seen corresponding path program 1 times
[2024-12-02 13:03:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:03:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33621562]
[2024-12-02 13:03:59,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:59,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:03:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:59,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:03:59,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33621562]
[2024-12-02 13:03:59,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33621562] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:03:59,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352567279]
[2024-12-02 13:03:59,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:03:59,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:03:59,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:03:59,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:03:59,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:03:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:03:59,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 13:03:59,603 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:03:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:59,661 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:03:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:03:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352567279] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:03:59,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:03:59,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-12-02 13:03:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858917950]
[2024-12-02 13:03:59,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:03:59,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 13:03:59,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:03:59,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 13:03:59,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 13:03:59,701 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 13:03:59,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:03:59,800 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions.
[2024-12-02 13:03:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 13:03:59,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 16
[2024-12-02 13:03:59,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:03:59,801 INFO L225 Difference]: With dead ends: 59
[2024-12-02 13:03:59,801 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 13:03:59,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 13:03:59,802 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:03:59,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 67 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:03:59,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 13:03:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44.
[2024-12-02 13:03:59,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 40 states have (on average 1.4) internal successors, (56), 43 states have internal predecessors, (56), 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 13:03:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions.
[2024-12-02 13:03:59,808 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 16
[2024-12-02 13:03:59,808 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:03:59,808 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions.
[2024-12-02 13:03:59,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 13:03:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions.
[2024-12-02 13:03:59,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 13:03:59,809 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:03:59,809 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-12-02 13:03:59,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:04:00,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:00,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:00,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:00,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1530520748, now seen corresponding path program 1 times
[2024-12-02 13:04:00,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:00,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805827929]
[2024-12-02 13:04:00,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:00,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:00,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805827929]
[2024-12-02 13:04:00,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805827929] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:04:00,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518568972]
[2024-12-02 13:04:00,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:00,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:00,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:00,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:04:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 13:04:00,146 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:04:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:00,187 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:04:00,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518568972] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:00,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 13:04:00,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-12-02 13:04:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521096890]
[2024-12-02 13:04:00,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:00,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:04:00,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:00,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:04:00,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:04:00,189 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 13:04:00,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:00,273 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions.
[2024-12-02 13:04:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:04:00,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 17
[2024-12-02 13:04:00,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:00,274 INFO L225 Difference]: With dead ends: 46
[2024-12-02 13:04:00,274 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 13:04:00,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:04:00,275 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:00,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 46 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:04:00,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 13:04:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43.
[2024-12-02 13:04:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.35) internal successors, (54), 42 states have internal predecessors, (54), 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 13:04:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions.
[2024-12-02 13:04:00,280 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 17
[2024-12-02 13:04:00,280 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:00,280 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions.
[2024-12-02 13:04:00,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 13:04:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions.
[2024-12-02 13:04:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 13:04:00,281 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:00,281 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1]
[2024-12-02 13:04:00,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:04:00,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:00,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:00,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1691883712, now seen corresponding path program 1 times
[2024-12-02 13:04:00,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:00,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108747304]
[2024-12-02 13:04:00,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-02 13:04:00,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:00,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108747304]
[2024-12-02 13:04:00,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108747304] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:00,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:00,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:04:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297186422]
[2024-12-02 13:04:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:00,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:04:00,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:00,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:04:00,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:00,538 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 13:04:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:00,570 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions.
[2024-12-02 13:04:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:04:00,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26
[2024-12-02 13:04:00,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:00,572 INFO L225 Difference]: With dead ends: 43
[2024-12-02 13:04:00,572 INFO L226 Difference]: Without dead ends: 42
[2024-12-02 13:04:00,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:00,573 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:00,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:04:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 13:04:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 13:04:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 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 13:04:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions.
[2024-12-02 13:04:00,578 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 26
[2024-12-02 13:04:00,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:00,578 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions.
[2024-12-02 13:04:00,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 13:04:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions.
[2024-12-02 13:04:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 13:04:00,578 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:00,579 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:00,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:04:00,579 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:00,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash -313336008, now seen corresponding path program 2 times
[2024-12-02 13:04:00,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:00,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979983377]
[2024-12-02 13:04:00,579 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:04:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:00,592 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 13:04:00,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-12-02 13:04:00,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:00,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979983377]
[2024-12-02 13:04:00,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979983377] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:00,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:00,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:04:00,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146131243]
[2024-12-02 13:04:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:00,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:04:00,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:00,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:04:00,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:00,632 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 13:04:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:00,676 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions.
[2024-12-02 13:04:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:04:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 32
[2024-12-02 13:04:00,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:00,677 INFO L225 Difference]: With dead ends: 47
[2024-12-02 13:04:00,677 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 13:04:00,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:00,678 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:00,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 31 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:04:00,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 13:04:00,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-12-02 13:04:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 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 13:04:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions.
[2024-12-02 13:04:00,683 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 32
[2024-12-02 13:04:00,683 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:00,683 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions.
[2024-12-02 13:04:00,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 13:04:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions.
[2024-12-02 13:04:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 13:04:00,684 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:00,685 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:00,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:04:00,685 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:00,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:00,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2077642868, now seen corresponding path program 1 times
[2024-12-02 13:04:00,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369541915]
[2024-12-02 13:04:00,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:00,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:04:00,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:00,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369541915]
[2024-12-02 13:04:00,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369541915] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:04:00,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770458798]
[2024-12-02 13:04:00,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:00,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:04:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:00,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 13:04:00,862 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:04:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:04:00,937 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:04:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:04:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770458798] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:04:01,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:04:01,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2024-12-02 13:04:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234185154]
[2024-12-02 13:04:01,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:04:01,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-02 13:04:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:01,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-02 13:04:01,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-12-02 13:04:01,054 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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 13:04:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:01,174 INFO L93 Difference]: Finished difference Result 97 states and 125 transitions.
[2024-12-02 13:04:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-02 13:04:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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 37
[2024-12-02 13:04:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:01,175 INFO L225 Difference]: With dead ends: 97
[2024-12-02 13:04:01,175 INFO L226 Difference]: Without dead ends: 82
[2024-12-02 13:04:01,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-12-02 13:04:01,176 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 97 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:01,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 49 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:04:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-12-02 13:04:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81.
[2024-12-02 13:04:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 80 states have internal predecessors, (104), 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 13:04:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions.
[2024-12-02 13:04:01,183 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 37
[2024-12-02 13:04:01,183 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:01,183 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions.
[2024-12-02 13:04:01,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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 13:04:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions.
[2024-12-02 13:04:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2024-12-02 13:04:01,185 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:01,185 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:01,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:04:01,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-12-02 13:04:01,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:01,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:01,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1524710372, now seen corresponding path program 2 times
[2024-12-02 13:04:01,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:01,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383669141]
[2024-12-02 13:04:01,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:04:01,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:01,408 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:04:01,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:04:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2024-12-02 13:04:01,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383669141]
[2024-12-02 13:04:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383669141] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:04:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466474068]
[2024-12-02 13:04:01,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:04:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:01,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:01,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 13:04:01,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 13:04:01,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:04:01,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 13:04:01,590 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:04:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:04:01,834 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:04:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:04:02,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466474068] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:04:02,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:04:02,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36
[2024-12-02 13:04:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413675396]
[2024-12-02 13:04:02,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:04:02,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2024-12-02 13:04:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:02,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2024-12-02 13:04:02,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260
[2024-12-02 13:04:02,192 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 36 states, 36 states have (on average 4.0) internal successors, (144), 36 states have internal predecessors, (144), 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 13:04:02,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:02,528 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions.
[2024-12-02 13:04:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2024-12-02 13:04:02,529 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 36 states have internal predecessors, (144), 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 69
[2024-12-02 13:04:02,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:02,530 INFO L225 Difference]: With dead ends: 171
[2024-12-02 13:04:02,530 INFO L226 Difference]: Without dead ends: 156
[2024-12-02 13:04:02,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=1150, Unknown=0, NotChecked=0, Total=1482
[2024-12-02 13:04:02,532 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 172 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:02,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 107 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 13:04:02,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-12-02 13:04:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154.
[2024-12-02 13:04:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3137254901960784) internal successors, (201), 153 states have internal predecessors, (201), 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 13:04:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions.
[2024-12-02 13:04:02,542 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 69
[2024-12-02 13:04:02,542 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:02,542 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions.
[2024-12-02 13:04:02,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 36 states have internal predecessors, (144), 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 13:04:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions.
[2024-12-02 13:04:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-12-02 13:04:02,545 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:02,545 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:02,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 13:04:02,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:02,745 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 13:04:02,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:02,746 INFO L85 PathProgramCache]: Analyzing trace with hash 915168854, now seen corresponding path program 1 times
[2024-12-02 13:04:02,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:02,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115752898]
[2024-12-02 13:04:02,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked.
[2024-12-02 13:04:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115752898]
[2024-12-02 13:04:02,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115752898] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:02,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:02,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:04:02,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906301439]
[2024-12-02 13:04:02,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:02,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:04:02,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:02,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:04:02,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:02,874 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 13:04:02,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:02,906 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions.
[2024-12-02 13:04:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:04:02,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 134
[2024-12-02 13:04:02,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:02,907 INFO L225 Difference]: With dead ends: 154
[2024-12-02 13:04:02,907 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 13:04:02,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:04:02,908 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:02,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:04:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 13:04:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 13:04:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 13:04:02,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134
[2024-12-02 13:04:02,909 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:02,909 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 13:04:02,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 13:04:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 13:04:02,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 13:04:02,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 13:04:02,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 13:04:02,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 13:04:02,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 13:04:02,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 13:04:02,915 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:02,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 13:04:02,944 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:04:02,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:04:02 BoogieIcfgContainer
[2024-12-02 13:04:02,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:04:02,956 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:04:02,956 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:04:02,956 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:04:02,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:58" (3/4) ...
[2024-12-02 13:04:02,959 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 13:04:02,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 13:04:02,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 13:04:02,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 13:04:02,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 13:04:03,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:04:03,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:04:03,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:04:03,035 INFO L158 Benchmark]: Toolchain (without parser) took 4644.60ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB.
[2024-12-02 13:04:03,035 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:03,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.86ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:03,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:03,036 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:03,036 INFO L158 Benchmark]: RCFGBuilder took 239.82ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:03,036 INFO L158 Benchmark]: TraceAbstraction took 4113.00ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 86.6MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:03,037 INFO L158 Benchmark]: Witness Printer took 78.29ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 81.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:03,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 161.86ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 20.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.66ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 239.82ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 4113.00ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 86.6MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 78.29ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 81.4MB in the end (delta: 5.2MB). 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
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 43]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 43]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 299 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 907 IncrementalHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 148 mSDtfsCounter, 907 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 298 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=9, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 15 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 1156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 1113/1558 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 43]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 13:04:03,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc872ea5-bf67-4aed-9fc8-d3dd2d11d500/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
Result:
TRUE