./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu --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 00c823031422a6c02d20220c2130de8cd7946e9f6d3a94cd85e15e96baf80c4e
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:58:09,059 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:58:09,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:58:09,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:58:09,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:58:09,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:58:09,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:58:09,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:58:09,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:58:09,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:58:09,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:58:09,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:58:09,245 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:58:09,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:58:09,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:58:09,248 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:58:09,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:58:09,249 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:58:09,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:58:09,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:58:09,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:58:09,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:58:09,252 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:58:09,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:58:09,253 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:58:09,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:58:09,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:58:09,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:58:09,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:58:09,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:58:09,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:58:09,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:58:09,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:58:09,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:58:09,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:58:09,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:58:09,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:58:09,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:58:09,259 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:58:09,260 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_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00c823031422a6c02d20220c2130de8cd7946e9f6d3a94cd85e15e96baf80c4e
[2023-11-19 07:58:09,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:58:09,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:58:09,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:58:09,610 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:58:09,611 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:58:09,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i
[2023-11-19 07:58:12,816 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:58:13,030 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:58:13,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i
[2023-11-19 07:58:13,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/data/c7cd42473/011703dbf43a4148aab2a449965b246e/FLAG5325fba21
[2023-11-19 07:58:13,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/data/c7cd42473/011703dbf43a4148aab2a449965b246e
[2023-11-19 07:58:13,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:58:13,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:58:13,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:58:13,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:58:13,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:58:13,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb0bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13, skipping insertion in model container
[2023-11-19 07:58:13,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,092 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:58:13,250 WARN L240 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_450a53b3-6cef-48c2-b679-c37fc5073bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i[915,928]
[2023-11-19 07:58:13,295 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:58:13,309 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:58:13,319 WARN L240 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_450a53b3-6cef-48c2-b679-c37fc5073bbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-31.i[915,928]
[2023-11-19 07:58:13,333 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:58:13,351 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:58:13,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13 WrapperNode
[2023-11-19 07:58:13,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:58:13,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:58:13,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:58:13,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:58:13,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,396 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90
[2023-11-19 07:58:13,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:58:13,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:58:13,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:58:13,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:58:13,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:58:13,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:58:13,440 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:58:13,440 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:58:13,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (1/1) ...
[2023-11-19 07:58:13,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:58:13,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:58:13,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:58:13,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:58:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:58:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:58:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:58:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:58:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:58:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:58:13,627 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:58:13,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:58:13,928 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:58:13,937 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:58:13,946 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:58:13,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:13 BoogieIcfgContainer
[2023-11-19 07:58:13,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:58:13,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:58:13,953 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:58:13,957 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:58:13,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:13" (1/3) ...
[2023-11-19 07:58:13,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758d6633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:13, skipping insertion in model container
[2023-11-19 07:58:13,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:13" (2/3) ...
[2023-11-19 07:58:13,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758d6633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:13, skipping insertion in model container
[2023-11-19 07:58:13,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:13" (3/3) ...
[2023-11-19 07:58:13,961 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-31.i
[2023-11-19 07:58:13,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:58:13,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:58:14,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:58:14,066 INFO L357 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, mHoare=true, 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;@3b414393, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:58:14,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:58:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:58:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:58:14,084 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:14,085 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:58:14,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:14,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash -887899753, now seen corresponding path program 1 times
[2023-11-19 07:58:14,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:14,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999986620]
[2023-11-19 07:58:14,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:14,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:58:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:58:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:58:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:58:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:58:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:58:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:58:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:58:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:58:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:58:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-19 07:58:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:58:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:58:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:58:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-19 07:58:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-11-19 07:58:14,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:14,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999986620]
[2023-11-19 07:58:14,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999986620] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:14,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:58:14,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:58:14,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156528272]
[2023-11-19 07:58:14,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:14,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:58:14,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:14,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:58:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:58:14,645 INFO L87 Difference]: Start difference. First operand has 46 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2023-11-19 07:58:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:14,679 INFO L93 Difference]: Finished difference Result 85 states and 144 transitions.
[2023-11-19 07:58:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:58:14,683 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), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99
[2023-11-19 07:58:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:14,698 INFO L225 Difference]: With dead ends: 85
[2023-11-19 07:58:14,698 INFO L226 Difference]: Without dead ends: 42
[2023-11-19 07:58:14,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:58:14,711 INFO L413 NwaCegarLoop]: 60 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, 60 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
[2023-11-19 07:58:14,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:58:14,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2023-11-19 07:58:14,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2023-11-19 07:58:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:58:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions.
[2023-11-19 07:58:14,786 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 99
[2023-11-19 07:58:14,787 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:14,787 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions.
[2023-11-19 07:58:14,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2023-11-19 07:58:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions.
[2023-11-19 07:58:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:58:14,796 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:14,796 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:58:14,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:58:14,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:14,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:14,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2104023447, now seen corresponding path program 1 times
[2023-11-19 07:58:14,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:14,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603347808]
[2023-11-19 07:58:14,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:14,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:58:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:58:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:58:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:58:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:58:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:58:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:58:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:58:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:58:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:58:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-19 07:58:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:58:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:58:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:58:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-19 07:58:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-11-19 07:58:15,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603347808]
[2023-11-19 07:58:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603347808] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:15,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:58:15,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:58:15,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339500597]
[2023-11-19 07:58:15,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:15,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:58:15,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:15,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:58:15,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:58:15,522 INFO L87 Difference]: Start difference. First operand 42 states and 60 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:15,827 INFO L93 Difference]: Finished difference Result 88 states and 125 transitions.
[2023-11-19 07:58:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:58:15,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99
[2023-11-19 07:58:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:15,835 INFO L225 Difference]: With dead ends: 88
[2023-11-19 07:58:15,835 INFO L226 Difference]: Without dead ends: 86
[2023-11-19 07:58:15,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:15,843 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 39 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:15,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 369 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:58:15,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2023-11-19 07:58:15,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 45.
[2023-11-19 07:58:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:58:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions.
[2023-11-19 07:58:15,874 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 99
[2023-11-19 07:58:15,875 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:15,876 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions.
[2023-11-19 07:58:15,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions.
[2023-11-19 07:58:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:58:15,886 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:15,886 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:58:15,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:58:15,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:15,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:15,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2105870489, now seen corresponding path program 1 times
[2023-11-19 07:58:15,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:15,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703230155]
[2023-11-19 07:58:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:15,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:58:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:58:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:58:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:58:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:58:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:58:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:58:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:58:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:58:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:58:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-19 07:58:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:58:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:58:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:58:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-19 07:58:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-11-19 07:58:16,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:16,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703230155]
[2023-11-19 07:58:16,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703230155] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:16,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:58:16,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:58:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099077133]
[2023-11-19 07:58:16,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:16,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:58:16,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:16,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:58:16,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:58:16,301 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:16,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:16,606 INFO L93 Difference]: Finished difference Result 88 states and 125 transitions.
[2023-11-19 07:58:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:58:16,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99
[2023-11-19 07:58:16,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:16,610 INFO L225 Difference]: With dead ends: 88
[2023-11-19 07:58:16,610 INFO L226 Difference]: Without dead ends: 86
[2023-11-19 07:58:16,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:16,612 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:16,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 439 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:58:16,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2023-11-19 07:58:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 45.
[2023-11-19 07:58:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:58:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions.
[2023-11-19 07:58:16,627 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 99
[2023-11-19 07:58:16,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:16,629 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions.
[2023-11-19 07:58:16,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions.
[2023-11-19 07:58:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:58:16,632 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:16,632 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:58:16,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:58:16,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:16,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1869449113, now seen corresponding path program 1 times
[2023-11-19 07:58:16,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:16,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890659688]
[2023-11-19 07:58:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:58:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:58:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:58:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:58:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:58:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:58:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:58:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:58:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:58:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:58:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-19 07:58:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:58:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:58:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:58:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-19 07:58:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-11-19 07:58:23,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:23,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890659688]
[2023-11-19 07:58:23,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890659688] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:23,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:58:23,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:58:23,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839219497]
[2023-11-19 07:58:23,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:23,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:58:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:58:23,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:58:23,209 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:23,795 INFO L93 Difference]: Finished difference Result 97 states and 134 transitions.
[2023-11-19 07:58:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:58:23,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99
[2023-11-19 07:58:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:23,805 INFO L225 Difference]: With dead ends: 97
[2023-11-19 07:58:23,805 INFO L226 Difference]: Without dead ends: 95
[2023-11-19 07:58:23,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:23,815 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 47 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:23,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 349 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:58:23,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2023-11-19 07:58:23,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 69.
[2023-11-19 07:58:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 45 states have internal predecessors, (47), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22)
[2023-11-19 07:58:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions.
[2023-11-19 07:58:23,865 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 99
[2023-11-19 07:58:23,865 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:23,865 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions.
[2023-11-19 07:58:23,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions.
[2023-11-19 07:58:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-19 07:58:23,873 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:23,873 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:58:23,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:58:23,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:23,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:23,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1867602071, now seen corresponding path program 1 times
[2023-11-19 07:58:23,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:23,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178783539]
[2023-11-19 07:58:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:23,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2023-11-19 07:58:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-11-19 07:58:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:58:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:58:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:58:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2023-11-19 07:58:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:58:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:58:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:58:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:58:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2023-11-19 07:58:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2023-11-19 07:58:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:58:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2023-11-19 07:58:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2023-11-19 07:58:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-11-19 07:58:24,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:24,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178783539]
[2023-11-19 07:58:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178783539] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:58:24,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:58:24,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051312997]
[2023-11-19 07:58:24,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:24,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:58:24,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:24,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:58:24,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:58:24,481 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:24,997 INFO L93 Difference]: Finished difference Result 97 states and 136 transitions.
[2023-11-19 07:58:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:58:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99
[2023-11-19 07:58:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:24,999 INFO L225 Difference]: With dead ends: 97
[2023-11-19 07:58:24,999 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:58:25,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:25,001 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 30 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:25,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 437 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:58:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:58:25,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:58:25,003 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)
[2023-11-19 07:58:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:58:25,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99
[2023-11-19 07:58:25,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:25,004 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:58:25,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-11-19 07:58:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:58:25,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:58:25,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:58:25,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:58:25,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:58:25,202 INFO L902 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: true
[2023-11-19 07:58:25,202 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed.
[2023-11-19 07:58:25,202 INFO L902 garLoopResultBuilder]: At program point L64-1(line 64) the Hoare annotation is: true
[2023-11-19 07:58:25,202 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2023-11-19 07:58:25,202 INFO L902 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: true
[2023-11-19 07:58:25,203 INFO L902 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: true
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 76 87) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:58:25,203 INFO L902 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: true
[2023-11-19 07:58:25,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:58:25,204 INFO L902 garLoopResultBuilder]: At program point L61-1(line 61) the Hoare annotation is: true
[2023-11-19 07:58:25,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2023-11-19 07:58:25,204 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2023-11-19 07:58:25,204 INFO L902 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true
[2023-11-19 07:58:25,204 INFO L902 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: true
[2023-11-19 07:58:25,204 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 72 75) no Hoare annotation was computed.
[2023-11-19 07:58:25,204 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed.
[2023-11-19 07:58:25,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:58:25,205 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2023-11-19 07:58:25,205 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true
[2023-11-19 07:58:25,205 INFO L902 garLoopResultBuilder]: At program point L58-1(line 58) the Hoare annotation is: true
[2023-11-19 07:58:25,205 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2023-11-19 07:58:25,205 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (or (not (= |ULTIMATE.start_property_#res#1| 0)) (not (= ~var_1_3~0 (* 256 (div ~var_1_3~0 256)))) (= ~var_1_1~0 ~var_1_10~0) (= (* 256 (div ~var_1_6~0 256)) ~var_1_6~0) (not (= (* 256 (div ~var_1_4~0 256)) ~var_1_4~0)))
[2023-11-19 07:58:25,206 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (or (not (= |ULTIMATE.start_property_#res#1| 0)) (not (= ~var_1_3~0 (* 256 (div ~var_1_3~0 256)))) (= ~var_1_1~0 ~var_1_10~0) (= (* 256 (div ~var_1_6~0 256)) ~var_1_6~0) (not (= (* 256 (div ~var_1_4~0 256)) ~var_1_4~0)))
[2023-11-19 07:58:25,206 INFO L895 garLoopResultBuilder]: At program point L79-2(lines 79 85) the Hoare annotation is: (or (not (= ~var_1_3~0 (* 256 (div ~var_1_3~0 256)))) (= ~var_1_1~0 ~var_1_10~0) (= (* 256 (div ~var_1_6~0 256)) ~var_1_6~0) (not (= (* 256 (div ~var_1_4~0 256)) ~var_1_4~0)))
[2023-11-19 07:58:25,206 INFO L899 garLoopResultBuilder]: For program point L79-3(lines 79 85) no Hoare annotation was computed.
[2023-11-19 07:58:25,206 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:58:25,206 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true
[2023-11-19 07:58:25,206 INFO L902 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: true
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 42) no Hoare annotation was computed.
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2023-11-19 07:58:25,207 INFO L902 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: true
[2023-11-19 07:58:25,207 INFO L902 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: true
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 41) no Hoare annotation was computed.
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 33 43) no Hoare annotation was computed.
[2023-11-19 07:58:25,207 INFO L899 garLoopResultBuilder]: For program point L68(lines 44 69) no Hoare annotation was computed.
[2023-11-19 07:58:25,208 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed.
[2023-11-19 07:58:25,208 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true
[2023-11-19 07:58:25,208 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed.
[2023-11-19 07:58:25,208 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed.
[2023-11-19 07:58:25,208 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed.
[2023-11-19 07:58:25,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 07:58:25,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:58:25,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:25 BoogieIcfgContainer
[2023-11-19 07:58:25,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:58:25,228 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:58:25,228 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:58:25,228 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:58:25,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:13" (3/4) ...
[2023-11-19 07:58:25,231 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:58:25,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-19 07:58:25,242 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2023-11-19 07:58:25,243 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:58:25,243 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:58:25,243 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:58:25,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:58:25,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:58:25,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:58:25,345 INFO L158 Benchmark]: Toolchain (without parser) took 12289.20ms. Allocated memory was 157.3MB in the beginning and 375.4MB in the end (delta: 218.1MB). Free memory was 110.1MB in the beginning and 332.8MB in the end (delta: -222.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:58:25,346 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:58:25,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 98.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:58:25,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.08ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:58:25,347 INFO L158 Benchmark]: Boogie Preprocessor took 41.12ms. Allocated memory is still 157.3MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:58:25,347 INFO L158 Benchmark]: RCFGBuilder took 510.64ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 82.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 07:58:25,348 INFO L158 Benchmark]: TraceAbstraction took 11274.41ms. Allocated memory was 157.3MB in the beginning and 375.4MB in the end (delta: 218.1MB). Free memory was 81.3MB in the beginning and 338.1MB in the end (delta: -256.8MB). Peak memory consumption was 182.8MB. Max. memory is 16.1GB.
[2023-11-19 07:58:25,348 INFO L158 Benchmark]: Witness Printer took 116.97ms. Allocated memory is still 375.4MB. Free memory was 338.1MB in the beginning and 332.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:58:25,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 98.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.08ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.12ms. Allocated memory is still 157.3MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 510.64ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 82.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 11274.41ms. Allocated memory was 157.3MB in the beginning and 375.4MB in the end (delta: 218.1MB). Free memory was 81.3MB in the beginning and 338.1MB in the end (delta: -256.8MB). Peak memory consumption was 182.8MB. Max. memory is 16.1GB.
* Witness Printer took 116.97ms. Allocated memory is still 375.4MB. Free memory was 338.1MB in the beginning and 332.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 11.2s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 1654 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1169 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 272 IncrementalHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 485 mSDtfsCounter, 272 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=4, InterpolantAutomatonStates: 42, 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, 5 MinimizatonAttempts, 108 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 69 PreInvPairs, 108 NumberOfFragments, 104 HoareAnnotationTreeSize, 69 FomulaSimplifications, 1122 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 629 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2400/2400 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: 79]: Loop Invariant
Derived loop invariant: (((!((var_1_3 == (256 * (var_1_3 / 256)))) || (var_1_1 == var_1_10)) || ((256 * (var_1_6 / 256)) == var_1_6)) || !(((256 * (var_1_4 / 256)) == var_1_4)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:58:25,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450a53b3-6cef-48c2-b679-c37fc5073bbd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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