./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 150a4f89afb8d47829e7ddadced75f5718c6f777677ea3eeca89c33b976a5a9c
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:13:43,509 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:13:43,589 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:13:43,599 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:13:43,600 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:13:43,640 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:13:43,640 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:13:43,641 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:13:43,641 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:13:43,642 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:13:43,642 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:13:43,643 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:13:43,643 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:13:43,644 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:13:43,644 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:13:43,645 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:13:43,645 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:13:43,646 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:13:43,646 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:13:43,646 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:13:43,647 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:13:43,651 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:13:43,651 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:13:43,651 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:13:43,652 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:13:43,652 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:13:43,652 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:13:43,653 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:13:43,653 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:13:43,653 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:13:43,654 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:13:43,654 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:13:43,658 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:13:43,659 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:13:43,659 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:13:43,659 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:13:43,660 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:13:43,660 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:13:43,660 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:13:43,661 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:13:43,661 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:13:43,664 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:13:43,664 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a4f89afb8d47829e7ddadced75f5718c6f777677ea3eeca89c33b976a5a9c
[2024-11-08 18:13:43,934 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:13:43,967 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:13:43,969 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:13:43,971 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:13:43,971 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:13:43,973 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i
Unable to find full path for "g++"
[2024-11-08 18:13:46,013 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:13:46,205 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:13:46,205 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i
[2024-11-08 18:13:46,214 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/data/d4e840bca/7c3a534198d94284866be27798728dfc/FLAGccc0399c9
[2024-11-08 18:13:46,227 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/data/d4e840bca/7c3a534198d94284866be27798728dfc
[2024-11-08 18:13:46,230 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:13:46,231 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:13:46,232 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:13:46,232 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:13:46,238 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:13:46,239 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,240 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9fa11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46, skipping insertion in model container
[2024-11-08 18:13:46,240 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,263 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:13:46,424 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i[916,929]
[2024-11-08 18:13:46,466 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:13:46,477 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:13:46,490 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-31.i[916,929]
[2024-11-08 18:13:46,511 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:13:46,530 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:13:46,531 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46 WrapperNode
[2024-11-08 18:13:46,531 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:13:46,532 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:13:46,532 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:13:46,533 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:13:46,540 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,549 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,578 INFO  L138                Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99
[2024-11-08 18:13:46,578 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:13:46,579 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:13:46,579 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:13:46,579 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:13:46,595 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,595 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,598 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,612 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 18:13:46,613 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,613 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,619 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,623 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,624 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,626 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,628 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:13:46,629 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:13:46,629 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:13:46,629 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:13:46,630 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (1/1) ...
[2024-11-08 18:13:46,636 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:13:46,649 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:13:46,665 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:13:46,668 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:13:46,693 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:13:46,693 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 18:13:46,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 18:13:46,693 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:13:46,693 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:13:46,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:13:46,770 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:13:46,772 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:13:47,056 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 18:13:47,056 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:13:47,078 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:13:47,078 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 18:13:47,078 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:47 BoogieIcfgContainer
[2024-11-08 18:13:47,079 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:13:47,081 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:13:47,081 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:13:47,084 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:13:47,085 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:13:46" (1/3) ...
[2024-11-08 18:13:47,086 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d29e072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:47, skipping insertion in model container
[2024-11-08 18:13:47,087 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:46" (2/3) ...
[2024-11-08 18:13:47,088 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d29e072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:47, skipping insertion in model container
[2024-11-08 18:13:47,089 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:47" (3/3) ...
[2024-11-08 18:13:47,090 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-31.i
[2024-11-08 18:13:47,108 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:13:47,108 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 18:13:47,165 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:13:47,172 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;@3628ba98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:13:47,173 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 18:13:47,177 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 46 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 18:13:47,188 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-11-08 18:13:47,188 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:47,189 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:47,189 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:47,195 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:47,195 INFO  L85        PathProgramCache]: Analyzing trace with hash 133382969, now seen corresponding path program 1 times
[2024-11-08 18:13:47,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:47,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807126083]
[2024-11-08 18:13:47,206 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:47,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:47,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:47,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,519 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:47,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,534 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:47,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,548 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:47,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,561 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:47,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,571 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:47,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,585 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:47,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,599 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:47,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,607 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:47,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:47,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,632 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:47,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,640 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:47,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:47,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:47,653 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:47,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807126083]
[2024-11-08 18:13:47,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807126083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:47,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:47,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:13:47,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10376940]
[2024-11-08 18:13:47,657 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:47,662 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 18:13:47,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:47,684 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 18:13:47,685 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:13:47,687 INFO  L87              Difference]: Start difference. First operand  has 46 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:47,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:47,717 INFO  L93              Difference]: Finished difference Result 84 states and 142 transitions.
[2024-11-08 18:13:47,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-08 18:13:47,719 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79
[2024-11-08 18:13:47,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:47,730 INFO  L225             Difference]: With dead ends: 84
[2024-11-08 18:13:47,730 INFO  L226             Difference]: Without dead ends: 41
[2024-11-08 18:13:47,734 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:13:47,739 INFO  L432           NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:47,741 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:13:47,758 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-08 18:13:47,781 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-08 18:13:47,782 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 18:13:47,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions.
[2024-11-08 18:13:47,786 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 79
[2024-11-08 18:13:47,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:47,788 INFO  L471      AbstractCegarLoop]: Abstraction has 41 states and 58 transitions.
[2024-11-08 18:13:47,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:47,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions.
[2024-11-08 18:13:47,791 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-11-08 18:13:47,792 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:47,793 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:47,793 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:13:47,794 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:47,794 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:47,795 INFO  L85        PathProgramCache]: Analyzing trace with hash 1908390331, now seen corresponding path program 1 times
[2024-11-08 18:13:47,795 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:47,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994009696]
[2024-11-08 18:13:47,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:47,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:47,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,796 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:49,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,802 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:49,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,807 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:49,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,814 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:49,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,820 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:49,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,824 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:49,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,829 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:49,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,833 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:49,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,839 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:49,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,847 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:49,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,852 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:49,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,859 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:49,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:49,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:49,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:49,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994009696]
[2024-11-08 18:13:49,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994009696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:49,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:49,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:13:49,867 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070277047]
[2024-11-08 18:13:49,867 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:49,869 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:13:49,871 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:49,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:13:49,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:13:49,873 INFO  L87              Difference]: Start difference. First operand 41 states and 58 transitions. Second operand  has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:50,203 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:50,203 INFO  L93              Difference]: Finished difference Result 58 states and 77 transitions.
[2024-11-08 18:13:50,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:13:50,205 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79
[2024-11-08 18:13:50,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:50,207 INFO  L225             Difference]: With dead ends: 58
[2024-11-08 18:13:50,207 INFO  L226             Difference]: Without dead ends: 56
[2024-11-08 18:13:50,207 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:13:50,209 INFO  L432           NwaCegarLoop]: 49 mSDtfsCounter, 48 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:50,209 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 212 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:13:50,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-08 18:13:50,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45.
[2024-11-08 18:13:50,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 18:13:50,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions.
[2024-11-08 18:13:50,224 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 79
[2024-11-08 18:13:50,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:50,224 INFO  L471      AbstractCegarLoop]: Abstraction has 45 states and 63 transitions.
[2024-11-08 18:13:50,225 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:50,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions.
[2024-11-08 18:13:50,229 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-08 18:13:50,229 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:50,230 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:50,230 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:13:50,231 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:50,232 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:50,233 INFO  L85        PathProgramCache]: Analyzing trace with hash -915940098, now seen corresponding path program 1 times
[2024-11-08 18:13:50,234 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:50,234 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888549503]
[2024-11-08 18:13:50,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:50,235 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:50,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,675 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:51,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,678 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:51,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,682 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:51,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,686 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:51,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,689 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:51,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,692 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:51,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,697 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:51,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,700 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:51,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,703 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:51,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,706 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:51,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,711 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:51,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,713 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:51,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:51,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:51,717 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:51,717 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888549503]
[2024-11-08 18:13:51,717 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888549503] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:51,717 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:51,717 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:13:51,717 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487864100]
[2024-11-08 18:13:51,718 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:51,718 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:13:51,718 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:51,720 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:13:51,722 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:13:51,722 INFO  L87              Difference]: Start difference. First operand 45 states and 63 transitions. Second operand  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:52,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:52,112 INFO  L93              Difference]: Finished difference Result 63 states and 82 transitions.
[2024-11-08 18:13:52,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:13:52,113 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80
[2024-11-08 18:13:52,113 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:52,116 INFO  L225             Difference]: With dead ends: 63
[2024-11-08 18:13:52,117 INFO  L226             Difference]: Without dead ends: 61
[2024-11-08 18:13:52,117 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:13:52,120 INFO  L432           NwaCegarLoop]: 52 mSDtfsCounter, 42 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:52,120 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 249 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:13:52,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-11-08 18:13:52,128 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 46.
[2024-11-08 18:13:52,129 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 18:13:52,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions.
[2024-11-08 18:13:52,130 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 80
[2024-11-08 18:13:52,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:52,131 INFO  L471      AbstractCegarLoop]: Abstraction has 46 states and 65 transitions.
[2024-11-08 18:13:52,131 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:52,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions.
[2024-11-08 18:13:52,132 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-08 18:13:52,133 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:52,133 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:52,133 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:13:52,134 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:52,134 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:52,134 INFO  L85        PathProgramCache]: Analyzing trace with hash -914093056, now seen corresponding path program 1 times
[2024-11-08 18:13:52,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:52,135 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575758402]
[2024-11-08 18:13:52,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:52,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:52,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,767 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:53,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,771 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:53,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,775 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:53,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,778 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:53,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:53,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,785 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:53,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,788 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:53,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,791 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:53,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,795 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:53,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,798 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:53,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,801 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:53,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,805 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:53,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:53,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:53,809 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:53,809 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575758402]
[2024-11-08 18:13:53,810 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575758402] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:53,810 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:53,810 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:13:53,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955314061]
[2024-11-08 18:13:53,811 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:53,811 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:13:53,811 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:53,812 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:13:53,812 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:13:53,813 INFO  L87              Difference]: Start difference. First operand 46 states and 65 transitions. Second operand  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:54,085 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:54,085 INFO  L93              Difference]: Finished difference Result 61 states and 80 transitions.
[2024-11-08 18:13:54,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:13:54,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80
[2024-11-08 18:13:54,087 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:54,088 INFO  L225             Difference]: With dead ends: 61
[2024-11-08 18:13:54,088 INFO  L226             Difference]: Without dead ends: 59
[2024-11-08 18:13:54,088 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:13:54,089 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:54,090 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 193 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:13:54,091 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-11-08 18:13:54,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 46.
[2024-11-08 18:13:54,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-08 18:13:54,098 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions.
[2024-11-08 18:13:54,099 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 80
[2024-11-08 18:13:54,099 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:54,099 INFO  L471      AbstractCegarLoop]: Abstraction has 46 states and 65 transitions.
[2024-11-08 18:13:54,100 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:54,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions.
[2024-11-08 18:13:54,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-08 18:13:54,101 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:54,102 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:54,106 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:13:54,106 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:54,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:54,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -718369708, now seen corresponding path program 1 times
[2024-11-08 18:13:54,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:54,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661982203]
[2024-11-08 18:13:54,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:54,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:54,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,888 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:54,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,890 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:54,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,892 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:54,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,894 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:54,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,896 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:54,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,898 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:54,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,901 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:54,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,903 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:54,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,905 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:54,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,906 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:54,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,909 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:54,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,911 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:54,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:54,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:54,914 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:54,914 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661982203]
[2024-11-08 18:13:54,914 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661982203] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:54,914 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:54,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:13:54,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238246103]
[2024-11-08 18:13:54,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:54,915 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:13:54,915 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:54,915 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:13:54,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:13:54,916 INFO  L87              Difference]: Start difference. First operand 46 states and 65 transitions. Second operand  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:55,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:55,423 INFO  L93              Difference]: Finished difference Result 136 states and 171 transitions.
[2024-11-08 18:13:55,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-08 18:13:55,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80
[2024-11-08 18:13:55,424 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:55,425 INFO  L225             Difference]: With dead ends: 136
[2024-11-08 18:13:55,425 INFO  L226             Difference]: Without dead ends: 134
[2024-11-08 18:13:55,425 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-11-08 18:13:55,426 INFO  L432           NwaCegarLoop]: 87 mSDtfsCounter, 107 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:55,431 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 447 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 18:13:55,432 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2024-11-08 18:13:55,446 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 83.
[2024-11-08 18:13:55,446 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 59 states have (on average 1.305084745762712) internal successors, (77), 60 states have internal predecessors, (77), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 18:13:55,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions.
[2024-11-08 18:13:55,448 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 80
[2024-11-08 18:13:55,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:55,448 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 117 transitions.
[2024-11-08 18:13:55,449 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:55,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions.
[2024-11-08 18:13:55,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-08 18:13:55,450 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:55,450 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:55,451 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:13:55,451 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:55,451 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:55,451 INFO  L85        PathProgramCache]: Analyzing trace with hash -741122683, now seen corresponding path program 1 times
[2024-11-08 18:13:55,452 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:55,452 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791232211]
[2024-11-08 18:13:55,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:55,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:55,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,378 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:56,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,381 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:56,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,384 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:56,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,387 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:56,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,389 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:56,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,392 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:56,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,395 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:56,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,398 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:56,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,400 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:56,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,404 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:56,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,406 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:56,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:56,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:56,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:56,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:56,413 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791232211]
[2024-11-08 18:13:56,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791232211] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:56,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:56,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 18:13:56,414 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449061626]
[2024-11-08 18:13:56,414 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:56,414 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:13:56,415 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:56,415 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:13:56,416 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:13:56,416 INFO  L87              Difference]: Start difference. First operand 83 states and 117 transitions. Second operand  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:56,766 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:56,766 INFO  L93              Difference]: Finished difference Result 126 states and 162 transitions.
[2024-11-08 18:13:56,767 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-08 18:13:56,767 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81
[2024-11-08 18:13:56,767 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:56,768 INFO  L225             Difference]: With dead ends: 126
[2024-11-08 18:13:56,768 INFO  L226             Difference]: Without dead ends: 124
[2024-11-08 18:13:56,769 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:13:56,770 INFO  L432           NwaCegarLoop]: 90 mSDtfsCounter, 110 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:56,770 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 385 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 18:13:56,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2024-11-08 18:13:56,783 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 84.
[2024-11-08 18:13:56,783 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 61 states have internal predecessors, (79), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 18:13:56,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions.
[2024-11-08 18:13:56,785 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 81
[2024-11-08 18:13:56,785 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:56,785 INFO  L471      AbstractCegarLoop]: Abstraction has 84 states and 119 transitions.
[2024-11-08 18:13:56,786 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:56,786 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions.
[2024-11-08 18:13:56,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-08 18:13:56,787 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:56,787 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:56,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:13:56,788 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:56,788 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:56,788 INFO  L85        PathProgramCache]: Analyzing trace with hash -739275641, now seen corresponding path program 1 times
[2024-11-08 18:13:56,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:56,789 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147324009]
[2024-11-08 18:13:56,789 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:56,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:56,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:57,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,785 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:57,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,790 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:57,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,792 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:57,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,794 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:57,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,796 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:57,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,799 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:57,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,801 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:57,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,805 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:57,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,808 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:57,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,811 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:57,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,813 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:57,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:57,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:13:57,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:57,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147324009]
[2024-11-08 18:13:57,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147324009] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:13:57,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:13:57,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 18:13:57,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933465526]
[2024-11-08 18:13:57,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:13:57,818 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:13:57,818 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:57,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:13:57,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:13:57,820 INFO  L87              Difference]: Start difference. First operand 84 states and 119 transitions. Second operand  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:58,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:58,206 INFO  L93              Difference]: Finished difference Result 118 states and 156 transitions.
[2024-11-08 18:13:58,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-08 18:13:58,207 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81
[2024-11-08 18:13:58,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:58,211 INFO  L225             Difference]: With dead ends: 118
[2024-11-08 18:13:58,211 INFO  L226             Difference]: Without dead ends: 116
[2024-11-08 18:13:58,211 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:13:58,212 INFO  L432           NwaCegarLoop]: 58 mSDtfsCounter, 48 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:58,215 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 263 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 18:13:58,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-11-08 18:13:58,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 83.
[2024-11-08 18:13:58,236 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 59 states have (on average 1.305084745762712) internal successors, (77), 60 states have internal predecessors, (77), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 18:13:58,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions.
[2024-11-08 18:13:58,237 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 81
[2024-11-08 18:13:58,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:58,238 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 117 transitions.
[2024-11-08 18:13:58,238 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 18:13:58,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions.
[2024-11-08 18:13:58,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-08 18:13:58,242 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:13:58,242 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:58,242 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:13:58,242 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:13:58,243 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:13:58,243 INFO  L85        PathProgramCache]: Analyzing trace with hash 343356742, now seen corresponding path program 1 times
[2024-11-08 18:13:58,243 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:13:58,243 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414704186]
[2024-11-08 18:13:58,243 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:58,244 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:13:58,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,364 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:13:58,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,366 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:13:58,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,372 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:13:58,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,392 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:13:58,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,395 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:13:58,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,399 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:13:58,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,404 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:13:58,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,408 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:13:58,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,414 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:13:58,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,417 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:13:58,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,420 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:13:58,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,425 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:13:58,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked.
[2024-11-08 18:13:58,434 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:13:58,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414704186]
[2024-11-08 18:13:58,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414704186] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:13:58,435 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274059987]
[2024-11-08 18:13:58,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:13:58,435 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:13:58,435 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:13:58,437 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:13:58,442 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:13:58,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:13:58,528 INFO  L255         TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 18:13:58,539 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:13:58,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2024-11-08 18:13:58,711 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:13:58,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked.
[2024-11-08 18:13:58,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [274059987] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:13:58,869 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:13:58,870 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8
[2024-11-08 18:13:58,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254749407]
[2024-11-08 18:13:58,870 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:13:58,871 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:13:58,871 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:13:58,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:13:58,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:13:58,873 INFO  L87              Difference]: Start difference. First operand 83 states and 117 transitions. Second operand  has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 18:13:59,014 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:13:59,017 INFO  L93              Difference]: Finished difference Result 160 states and 216 transitions.
[2024-11-08 18:13:59,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:13:59,017 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 81
[2024-11-08 18:13:59,018 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:13:59,018 INFO  L225             Difference]: With dead ends: 160
[2024-11-08 18:13:59,018 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 18:13:59,019 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:13:59,020 INFO  L432           NwaCegarLoop]: 29 mSDtfsCounter, 31 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:13:59,020 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 63 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:13:59,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 18:13:59,024 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 18:13:59,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:13:59,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 18:13:59,025 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81
[2024-11-08 18:13:59,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:13:59,025 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 18:13:59,025 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 18:13:59,025 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 18:13:59,025 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 18:13:59,029 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 18:13:59,051 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 18:13:59,230 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:13:59,234 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:13:59,237 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 18:14:00,005 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:14:00,037 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:14:00 BoogieIcfgContainer
[2024-11-08 18:14:00,037 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:14:00,038 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:14:00,038 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:14:00,038 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:14:00,039 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:47" (3/4) ...
[2024-11-08 18:14:00,042 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 18:14:00,046 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-08 18:14:00,053 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-08 18:14:00,053 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 18:14:00,053 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 18:14:00,054 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 18:14:00,162 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:14:00,166 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 18:14:00,166 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:14:00,167 INFO  L158              Benchmark]: Toolchain (without parser) took 13936.27ms. Allocated memory was 161.5MB in the beginning and 287.3MB in the end (delta: 125.8MB). Free memory was 119.4MB in the beginning and 146.3MB in the end (delta: -26.9MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,167 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:14:00,168 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 299.32ms. Allocated memory is still 161.5MB. Free memory was 119.4MB in the beginning and 105.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,168 INFO  L158              Benchmark]: Boogie Procedure Inliner took 46.28ms. Allocated memory is still 161.5MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,168 INFO  L158              Benchmark]: Boogie Preprocessor took 49.21ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 100.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,168 INFO  L158              Benchmark]: RCFGBuilder took 449.95ms. Allocated memory is still 161.5MB. Free memory was 100.5MB in the beginning and 131.2MB in the end (delta: -30.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,169 INFO  L158              Benchmark]: TraceAbstraction took 12956.79ms. Allocated memory was 161.5MB in the beginning and 287.3MB in the end (delta: 125.8MB). Free memory was 131.2MB in the beginning and 152.6MB in the end (delta: -21.4MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,169 INFO  L158              Benchmark]: Witness Printer took 128.37ms. Allocated memory is still 287.3MB. Free memory was 152.6MB in the beginning and 146.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 18:14:00,172 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 299.32ms. Allocated memory is still 161.5MB. Free memory was 119.4MB in the beginning and 105.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 46.28ms. Allocated memory is still 161.5MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 49.21ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 100.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 449.95ms. Allocated memory is still 161.5MB. Free memory was 100.5MB in the beginning and 131.2MB in the end (delta: -30.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 12956.79ms. Allocated memory was 161.5MB in the beginning and 287.3MB in the end (delta: 125.8MB). Free memory was 131.2MB in the beginning and 152.6MB in the end (delta: -21.4MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB.
 * Witness Printer took 128.37ms. Allocated memory is still 287.3MB. Free memory was 152.6MB in the beginning and 146.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 19]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 8, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 425 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 423 mSDsluCounter, 1870 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1397 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 909 IncrementalHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 473 mSDtfsCounter, 909 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 439 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=6, InterpolantAutomatonStates: 67, 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, 8 MinimizatonAttempts, 163 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 722 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 793 ConstructedInterpolants, 0 QuantifiedInterpolants, 2034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 2559/2640 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 103]: Loop Invariant
    Derived loop invariant: ((1073741822 <= var_1_3) && ((var_1_9 == var_1_12) || (((long long) var_1_8 * last_1_var_1_7) < ((long long) var_1_3 + 1))))
  - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not
    Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_13 == \old(last_1_var_1_13))))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 18:14:00,201 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b84a4d-80e6-4b8b-8d21-97b3a2a122d3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE