./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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 70761ec11e58c10698e5aa0cf29d007b987b034e5642b1a07232bb0cab676aec
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:32:50,050 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:32:50,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:32:50,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:32:50,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:32:50,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:32:50,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:32:50,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:32:50,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:32:50,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:32:50,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:32:50,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:32:50,248 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:32:50,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:32:50,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:32:50,251 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:32:50,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:32:50,252 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:32:50,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:32:50,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:32:50,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:32:50,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:32:50,254 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:32:50,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:32:50,256 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:32:50,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:32:50,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:32:50,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:32:50,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:32:50,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:32:50,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:32:50,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:32:50,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:32:50,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:32:50,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:32:50,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:32:50,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:32:50,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:32:50,263 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:32:50,264 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70761ec11e58c10698e5aa0cf29d007b987b034e5642b1a07232bb0cab676aec
[2023-11-19 07:32:50,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:32:50,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:32:50,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:32:50,630 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:32:50,631 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:32:50,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:32:53,783 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:32:54,001 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:32:54,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:32:54,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/fb9c4d706/afccfa1b18dc4ca584f20207ee46fcc7/FLAG69437712e
[2023-11-19 07:32:54,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/fb9c4d706/afccfa1b18dc4ca584f20207ee46fcc7
[2023-11-19 07:32:54,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:32:54,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:32:54,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:32:54,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:32:54,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:32:54,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32429a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54, skipping insertion in model container
[2023-11-19 07:32:54,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,097 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:32:54,285 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i[915,928]
[2023-11-19 07:32:54,360 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:32:54,373 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:32:54,385 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i[915,928]
[2023-11-19 07:32:54,416 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:32:54,434 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:32:54,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54 WrapperNode
[2023-11-19 07:32:54,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:32:54,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:32:54,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:32:54,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:32:54,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,497 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164
[2023-11-19 07:32:54,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:32:54,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:32:54,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:32:54,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:32:54,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:32:54,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:32:54,553 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:32:54,553 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:32:54,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ...
[2023-11-19 07:32:54,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:32:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:54,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:32:54,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:32:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:32:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:32:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:32:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:32:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:32:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:32:54,774 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:32:54,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:32:55,337 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:32:55,347 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:32:55,347 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:32:55,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55 BoogieIcfgContainer
[2023-11-19 07:32:55,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:32:55,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:32:55,354 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:32:55,357 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:32:55,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:54" (1/3) ...
[2023-11-19 07:32:55,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d2eacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:55, skipping insertion in model container
[2023-11-19 07:32:55,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (2/3) ...
[2023-11-19 07:32:55,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d2eacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:55, skipping insertion in model container
[2023-11-19 07:32:55,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55" (3/3) ...
[2023-11-19 07:32:55,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:32:55,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:32:55,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:32:55,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:32:55,440 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;@457ab1df, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:32:55,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:32:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:32:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-19 07:32:55,464 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:32:55,465 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:55,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:32:55,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:32:55,472 INFO L85 PathProgramCache]: Analyzing trace with hash -626655746, now seen corresponding path program 1 times
[2023-11-19 07:32:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:32:55,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266623388]
[2023-11-19 07:32:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:32:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:55,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:32:55,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266623388]
[2023-11-19 07:32:55,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-11-19 07:32:55,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824104428]
[2023-11-19 07:32:55,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:55,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:55,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:55,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:32:55,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:32:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:56,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:32:56,028 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:32:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2023-11-19 07:32:56,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:32:56,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824104428] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:32:56,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:32:56,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:32:56,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226556106]
[2023-11-19 07:32:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:32:56,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:32:56,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:32:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:32:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:32:56,120 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2023-11-19 07:32:56,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:32:56,155 INFO L93 Difference]: Finished difference Result 147 states and 252 transitions.
[2023-11-19 07:32:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:32:56,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133
[2023-11-19 07:32:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:32:56,167 INFO L225 Difference]: With dead ends: 147
[2023-11-19 07:32:56,167 INFO L226 Difference]: Without dead ends: 73
[2023-11-19 07:32:56,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 07:32:56,175 INFO L413 NwaCegarLoop]: 110 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, 110 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 07:32:56,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:32:56,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 07:32:56,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2023-11-19 07:32:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:32:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions.
[2023-11-19 07:32:56,234 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 133
[2023-11-19 07:32:56,235 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:32:56,235 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions.
[2023-11-19 07:32:56,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2023-11-19 07:32:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions.
[2023-11-19 07:32:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-19 07:32:56,248 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:32:56,249 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:56,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:32:56,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-11-19 07:32:56,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:32:56,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:32:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -421454210, now seen corresponding path program 1 times
[2023-11-19 07:32:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:32:56,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103959050]
[2023-11-19 07:32:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:56,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:32:56,589 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:32:56,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451711380]
[2023-11-19 07:32:56,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:56,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:56,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:56,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:32:56,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:32:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:56,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:32:56,793 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:32:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:32:56,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:32:56,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:32:56,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103959050]
[2023-11-19 07:32:56,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:32:56,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451711380]
[2023-11-19 07:32:56,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451711380] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:32:56,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:32:56,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:32:56,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691812999]
[2023-11-19 07:32:56,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:32:56,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:32:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:32:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:32:56,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:32:56,837 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:32:56,866 INFO L93 Difference]: Finished difference Result 143 states and 217 transitions.
[2023-11-19 07:32:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:32:56,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133
[2023-11-19 07:32:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:32:56,870 INFO L225 Difference]: With dead ends: 143
[2023-11-19 07:32:56,870 INFO L226 Difference]: Without dead ends: 73
[2023-11-19 07:32:56,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:32:56,873 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 30 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:32:56,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 183 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:32:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 07:32:56,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2023-11-19 07:32:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:32:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 109 transitions.
[2023-11-19 07:32:56,892 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 109 transitions. Word has length 133
[2023-11-19 07:32:56,894 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:32:56,894 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 109 transitions.
[2023-11-19 07:32:56,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions.
[2023-11-19 07:32:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-19 07:32:56,898 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:32:56,898 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:56,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:32:57,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:57,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:32:57,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:32:57,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1879368380, now seen corresponding path program 1 times
[2023-11-19 07:32:57,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:32:57,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325146932]
[2023-11-19 07:32:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:57,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:32:57,234 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:32:57,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989886844]
[2023-11-19 07:32:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:57,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:32:57,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:32:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:57,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:32:57,405 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:32:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:32:57,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:32:57,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:32:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325146932]
[2023-11-19 07:32:57,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:32:57,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989886844]
[2023-11-19 07:32:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989886844] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:32:57,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:32:57,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:32:57,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609910942]
[2023-11-19 07:32:57,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:32:57,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:32:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:32:57,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:32:57,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:32:57,558 INFO L87 Difference]: Start difference. First operand 73 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:32:57,755 INFO L93 Difference]: Finished difference Result 211 states and 317 transitions.
[2023-11-19 07:32:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:32:57,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133
[2023-11-19 07:32:57,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:32:57,759 INFO L225 Difference]: With dead ends: 211
[2023-11-19 07:32:57,760 INFO L226 Difference]: Without dead ends: 141
[2023-11-19 07:32:57,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:32:57,762 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 117 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:32:57,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 274 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:32:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2023-11-19 07:32:57,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89.
[2023-11-19 07:32:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:32:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 135 transitions.
[2023-11-19 07:32:57,790 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 135 transitions. Word has length 133
[2023-11-19 07:32:57,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:32:57,792 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 135 transitions.
[2023-11-19 07:32:57,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions.
[2023-11-19 07:32:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-19 07:32:57,796 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:32:57,797 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:57,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:32:58,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:58,017 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:32:58,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:32:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1135735238, now seen corresponding path program 1 times
[2023-11-19 07:32:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:32:58,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820553644]
[2023-11-19 07:32:58,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:32:58,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:32:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134129417]
[2023-11-19 07:32:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:58,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:58,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:32:58,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:32:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:58,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:32:58,463 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:32:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:32:58,530 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:32:58,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:32:58,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820553644]
[2023-11-19 07:32:58,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:32:58,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134129417]
[2023-11-19 07:32:58,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134129417] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:32:58,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:32:58,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:32:58,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048558027]
[2023-11-19 07:32:58,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:32:58,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:32:58,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:32:58,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:32:58,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:32:58,537 INFO L87 Difference]: Start difference. First operand 89 states and 135 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:32:58,615 INFO L93 Difference]: Finished difference Result 245 states and 372 transitions.
[2023-11-19 07:32:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:32:58,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133
[2023-11-19 07:32:58,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:32:58,625 INFO L225 Difference]: With dead ends: 245
[2023-11-19 07:32:58,625 INFO L226 Difference]: Without dead ends: 159
[2023-11-19 07:32:58,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:32:58,634 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 155 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:32:58,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 407 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:32:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states.
[2023-11-19 07:32:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157.
[2023-11-19 07:32:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-11-19 07:32:58,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 237 transitions.
[2023-11-19 07:32:58,686 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 237 transitions. Word has length 133
[2023-11-19 07:32:58,687 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:32:58,687 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 237 transitions.
[2023-11-19 07:32:58,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 237 transitions.
[2023-11-19 07:32:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-19 07:32:58,689 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:32:58,690 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:58,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:32:58,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:58,906 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:32:58,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:32:58,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2138163704, now seen corresponding path program 1 times
[2023-11-19 07:32:58,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:32:58,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593438240]
[2023-11-19 07:32:58,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:58,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:32:58,986 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:32:58,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817938331]
[2023-11-19 07:32:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:32:58,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:32:58,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:32:59,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:32:59,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-19 07:32:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:32:59,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:32:59,435 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:32:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:32:59,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:32:59,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:32:59,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593438240]
[2023-11-19 07:32:59,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:32:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817938331]
[2023-11-19 07:32:59,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817938331] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:32:59,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:32:59,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:32:59,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157859401]
[2023-11-19 07:32:59,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:32:59,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:32:59,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:32:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:32:59,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:32:59,699 INFO L87 Difference]: Start difference. First operand 157 states and 237 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:32:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:32:59,943 INFO L93 Difference]: Finished difference Result 363 states and 546 transitions.
[2023-11-19 07:32:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:32:59,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133
[2023-11-19 07:32:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:32:59,949 INFO L225 Difference]: With dead ends: 363
[2023-11-19 07:32:59,949 INFO L226 Difference]: Without dead ends: 209
[2023-11-19 07:32:59,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:32:59,951 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 104 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:32:59,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 276 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:32:59,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2023-11-19 07:32:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 162.
[2023-11-19 07:32:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.361344537815126) internal successors, (162), 119 states have internal predecessors, (162), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-11-19 07:33:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 242 transitions.
[2023-11-19 07:33:00,002 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 242 transitions. Word has length 133
[2023-11-19 07:33:00,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:00,004 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 242 transitions.
[2023-11-19 07:33:00,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 242 transitions.
[2023-11-19 07:33:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-11-19 07:33:00,006 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:00,006 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:00,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:00,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:33:00,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:00,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:00,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1508533027, now seen corresponding path program 1 times
[2023-11-19 07:33:00,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:33:00,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564474867]
[2023-11-19 07:33:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:00,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:33:00,278 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:33:00,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971850887]
[2023-11-19 07:33:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:00,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:33:00,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:33:00,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:33:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-19 07:33:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:00,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:33:00,682 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:33:00,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:00,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:33:00,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564474867]
[2023-11-19 07:33:00,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:33:00,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971850887]
[2023-11-19 07:33:00,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971850887] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:00,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:00,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:33:00,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310450847]
[2023-11-19 07:33:00,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:00,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:33:00,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:33:00,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:33:00,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:00,919 INFO L87 Difference]: Start difference. First operand 162 states and 242 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:01,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:01,054 INFO L93 Difference]: Finished difference Result 164 states and 243 transitions.
[2023-11-19 07:33:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:01,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135
[2023-11-19 07:33:01,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:01,059 INFO L225 Difference]: With dead ends: 164
[2023-11-19 07:33:01,059 INFO L226 Difference]: Without dead ends: 94
[2023-11-19 07:33:01,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:01,061 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 48 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:01,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 139 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:33:01,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-11-19 07:33:01,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-11-19 07:33:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions.
[2023-11-19 07:33:01,084 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 135
[2023-11-19 07:33:01,085 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:01,085 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions.
[2023-11-19 07:33:01,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions.
[2023-11-19 07:33:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-11-19 07:33:01,089 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:01,089 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:01,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:01,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:33:01,313 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:01,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:01,313 INFO L85 PathProgramCache]: Analyzing trace with hash 792289563, now seen corresponding path program 1 times
[2023-11-19 07:33:01,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:33:01,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104827421]
[2023-11-19 07:33:01,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:33:01,369 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:33:01,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169583553]
[2023-11-19 07:33:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:01,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:33:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:33:01,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:33:01,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-19 07:33:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:33:01,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:33:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:33:01,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:33:01,735 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:33:01,736 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:33:01,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:01,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:33:01,959 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:01,962 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:33:02,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
[2023-11-19 07:33:02,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
[2023-11-19 07:33:02,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite17 could not be translated
[2023-11-19 07:33:02,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
[2023-11-19 07:33:02,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
[2023-11-19 07:33:02,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite17 could not be translated
[2023-11-19 07:33:02,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:33:02 BoogieIcfgContainer
[2023-11-19 07:33:02,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:33:02,129 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:33:02,129 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:33:02,129 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:33:02,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55" (3/4) ...
[2023-11-19 07:33:02,133 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:33:02,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:33:02,135 INFO L158 Benchmark]: Toolchain (without parser) took 8102.77ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 123.5MB in the beginning and 123.5MB in the end (delta: 42.0kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,136 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:33:02,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.00ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 109.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,137 INFO L158 Benchmark]: Boogie Preprocessor took 54.24ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,137 INFO L158 Benchmark]: RCFGBuilder took 798.57ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 131.4MB in the end (delta: -26.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,138 INFO L158 Benchmark]: TraceAbstraction took 6774.62ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 130.5MB in the beginning and 123.5MB in the end (delta: 7.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB.
[2023-11-19 07:33:02,138 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:33:02,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.58ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 401.00ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 109.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.56ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.24ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 798.57ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 131.4MB in the end (delta: -26.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 6774.62ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 130.5MB in the beginning and 123.5MB in the end (delta: 7.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB.
* Witness Printer took 5.61ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite17 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite17 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* 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
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 129.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] double var_1_1 = 8.5;
[L23] unsigned long int var_1_4 = 1;
[L24] unsigned long int var_1_5 = 50;
[L25] unsigned long int var_1_6 = 4;
[L26] float var_1_7 = 15.8;
[L27] float var_1_8 = 64.25;
[L28] signed long int var_1_9 = -50;
[L29] unsigned char var_1_13 = 1;
[L30] unsigned long int var_1_14 = 3207304078;
[L31] unsigned long int var_1_15 = 50;
[L32] unsigned long int var_1_16 = 25;
[L33] unsigned char var_1_17 = 1;
[L34] unsigned char var_1_18 = 0;
[L35] unsigned char var_1_19 = 0;
[L36] unsigned short int var_1_20 = 1;
[L37] unsigned long int var_1_21 = 50;
[L38] signed char var_1_22 = -4;
[L39] signed char var_1_23 = -10;
[L40] signed long int last_1_var_1_9 = -50;
VAL [isInitial=0, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L133] isInitial = 1
[L134] FCALL initially()
[L135] COND TRUE 1
[L136] CALL updateLastVariables()
[L126] last_1_var_1_9 = var_1_9
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L136] RET updateLastVariables()
[L137] CALL updateVariables()
[L94] var_1_5 = __VERIFIER_nondet_ulong()
[L95] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L95] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L96] CALL assume_abort_if_not(var_1_5 <= 4294967294)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L96] RET assume_abort_if_not(var_1_5 <= 4294967294)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L97] var_1_6 = __VERIFIER_nondet_ulong()
[L98] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L98] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L99] CALL assume_abort_if_not(var_1_6 <= 4294967294)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L99] RET assume_abort_if_not(var_1_6 <= 4294967294)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50]
[L100] var_1_8 = __VERIFIER_nondet_float()
[L101] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L101] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L102] var_1_14 = __VERIFIER_nondet_ulong()
[L103] CALL assume_abort_if_not(var_1_14 >= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L103] RET assume_abort_if_not(var_1_14 >= 2147483647)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L104] CALL assume_abort_if_not(var_1_14 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L104] RET assume_abort_if_not(var_1_14 <= 4294967295)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L105] var_1_15 = __VERIFIER_nondet_ulong()
[L106] CALL assume_abort_if_not(var_1_15 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L106] RET assume_abort_if_not(var_1_15 >= 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L107] CALL assume_abort_if_not(var_1_15 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L107] RET assume_abort_if_not(var_1_15 <= 2147483647)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L108] var_1_16 = __VERIFIER_nondet_ulong()
[L109] CALL assume_abort_if_not(var_1_16 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L109] RET assume_abort_if_not(var_1_16 >= 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L110] CALL assume_abort_if_not(var_1_16 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L110] RET assume_abort_if_not(var_1_16 <= 2147483647)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L111] var_1_17 = __VERIFIER_nondet_uchar()
[L112] CALL assume_abort_if_not(var_1_17 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L112] RET assume_abort_if_not(var_1_17 >= 1)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L113] CALL assume_abort_if_not(var_1_17 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L113] RET assume_abort_if_not(var_1_17 <= 1)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L114] var_1_18 = __VERIFIER_nondet_uchar()
[L115] CALL assume_abort_if_not(var_1_18 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L115] RET assume_abort_if_not(var_1_18 >= 1)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L116] CALL assume_abort_if_not(var_1_18 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L116] RET assume_abort_if_not(var_1_18 <= 1)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L117] var_1_20 = __VERIFIER_nondet_ushort()
[L118] CALL assume_abort_if_not(var_1_20 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L118] RET assume_abort_if_not(var_1_20 >= 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L119] CALL assume_abort_if_not(var_1_20 <= 65535)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L119] RET assume_abort_if_not(var_1_20 <= 65535)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L120] CALL assume_abort_if_not(var_1_20 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L120] RET assume_abort_if_not(var_1_20 != 0)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L121] var_1_23 = __VERIFIER_nondet_char()
[L122] CALL assume_abort_if_not(var_1_23 >= -127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L122] RET assume_abort_if_not(var_1_23 >= -127)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L123] CALL assume_abort_if_not(var_1_23 <= 126)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L123] RET assume_abort_if_not(var_1_23 <= 126)
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L137] RET updateVariables()
[L138] CALL step()
[L44] signed long int stepLocal_0 = last_1_var_1_9;
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L45] COND FALSE !(stepLocal_0 < last_1_var_1_9)
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L48] var_1_21 = var_1_6
[L49] var_1_22 = var_1_23
[L50] unsigned long int stepLocal_4 = 4256310412u - 128u;
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L51] COND FALSE !(var_1_4 >= stepLocal_4)
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L54] COND FALSE !((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4)
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L57] signed long int stepLocal_3 = var_1_9;
[L58] unsigned long int stepLocal_2 = (((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5));
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L59] EXPR var_1_21 ^ 4u
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=79/5, var_1_8=2, var_1_9=-50]
[L59] unsigned long int stepLocal_1 = var_1_21 ^ 4u;
[L60] COND FALSE !(var_1_9 <= stepLocal_2)
[L69] var_1_7 = var_1_8
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L71] COND FALSE !(var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))
[L78] var_1_13 = var_1_18
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L80] signed long int stepLocal_5 = (var_1_22 / 2) / var_1_20;
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L81] COND TRUE stepLocal_5 >= (~ 100)
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L82] COND TRUE \read(var_1_13)
[L83] var_1_19 = (var_1_17 && var_1_18)
VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=0, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L138] RET step()
[L139] CALL, EXPR property()
[L129] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L129] EXPR (var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L129] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))
VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L129-L130] return (((((((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_22 + var_1_22) < 0 ) ? -(var_1_22 + var_1_22) : (var_1_22 + var_1_22))) + var_1_22))) : 1)) && ((var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_22 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23))
;
[L139] RET, EXPR property()
[L139] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=-50]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 7, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 1389 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 613 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 776 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 785 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 101 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1068 NumberOfCodeBlocks, 1068 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 1391 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4560/4560 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 07:33:02,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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 70761ec11e58c10698e5aa0cf29d007b987b034e5642b1a07232bb0cab676aec
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:33:05,127 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:33:05,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:33:05,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:33:05,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:33:05,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:33:05,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:33:05,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:33:05,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:33:05,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:33:05,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:33:05,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:33:05,363 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:33:05,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:33:05,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:33:05,367 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:33:05,368 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:33:05,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:33:05,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:33:05,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:33:05,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:33:05,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:33:05,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:33:05,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:33:05,373 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:33:05,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:33:05,374 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:33:05,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:33:05,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:33:05,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:33:05,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:05,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:33:05,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:33:05,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:33:05,380 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:33:05,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:33:05,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:33:05,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:33:05,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:33:05,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:33:05,384 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:33:05,385 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:33:05,385 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70761ec11e58c10698e5aa0cf29d007b987b034e5642b1a07232bb0cab676aec
[2023-11-19 07:33:05,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:33:05,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:33:05,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:33:05,962 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:33:05,963 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:33:05,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:33:09,227 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:33:09,518 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:33:09,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:33:09,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/81f92badc/b0d9055bf1734bc5817eada59254d72c/FLAGb96b5dd82
[2023-11-19 07:33:09,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/data/81f92badc/b0d9055bf1734bc5817eada59254d72c
[2023-11-19 07:33:09,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:33:09,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:33:09,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:09,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:33:09,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:33:09,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b31d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09, skipping insertion in model container
[2023-11-19 07:33:09,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,592 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:33:09,751 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i[915,928]
[2023-11-19 07:33:09,811 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:09,828 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:33:09,843 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_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-61.i[915,928]
[2023-11-19 07:33:09,872 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:09,892 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:33:09,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09 WrapperNode
[2023-11-19 07:33:09,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:09,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:33:09,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:33:09,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:33:09,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,960 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135
[2023-11-19 07:33:09,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:33:09,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:33:09,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:33:09,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:33:09,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:09,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:33:10,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:33:10,057 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:33:10,057 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:33:10,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (1/1) ...
[2023-11-19 07:33:10,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:10,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:33:10,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:10,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:33:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:33:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:33:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:33:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:33:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:33:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:33:10,303 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:33:10,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:33:10,853 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:33:10,861 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:33:10,861 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:33:10,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:10 BoogieIcfgContainer
[2023-11-19 07:33:10,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:33:10,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:33:10,869 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:33:10,872 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:33:10,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:33:09" (1/3) ...
[2023-11-19 07:33:10,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3496c3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:10, skipping insertion in model container
[2023-11-19 07:33:10,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:09" (2/3) ...
[2023-11-19 07:33:10,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3496c3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:10, skipping insertion in model container
[2023-11-19 07:33:10,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:10" (3/3) ...
[2023-11-19 07:33:10,876 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-61.i
[2023-11-19 07:33:10,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:33:10,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:33:10,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:33:10,959 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;@2c75a659, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:33:10,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:33:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2023-11-19 07:33:10,982 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:10,983 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:10,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:10,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1292719543, now seen corresponding path program 1 times
[2023-11-19 07:33:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:11,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554387083]
[2023-11-19 07:33:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:11,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:11,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:11,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-19 07:33:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:11,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:33:11,436 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked.
[2023-11-19 07:33:11,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:11,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554387083]
[2023-11-19 07:33:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554387083] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:11,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:11,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:33:11,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022993256]
[2023-11-19 07:33:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:33:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:11,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:33:11,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:33:11,538 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2023-11-19 07:33:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:11,573 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions.
[2023-11-19 07:33:11,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:33:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129
[2023-11-19 07:33:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:11,585 INFO L225 Difference]: With dead ends: 119
[2023-11-19 07:33:11,585 INFO L226 Difference]: Without dead ends: 59
[2023-11-19 07:33:11,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 07:33:11,594 INFO L413 NwaCegarLoop]: 89 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, 89 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 07:33:11,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:33:11,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2023-11-19 07:33:11,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2023-11-19 07:33:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions.
[2023-11-19 07:33:11,646 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 129
[2023-11-19 07:33:11,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:11,646 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions.
[2023-11-19 07:33:11,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2023-11-19 07:33:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions.
[2023-11-19 07:33:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2023-11-19 07:33:11,652 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:11,652 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:11,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:11,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:11,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:11,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash 283948599, now seen corresponding path program 1 times
[2023-11-19 07:33:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:11,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828277817]
[2023-11-19 07:33:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:11,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:11,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:11,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-19 07:33:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:12,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:33:12,292 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:33:12,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:12,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:12,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828277817]
[2023-11-19 07:33:12,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828277817] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:12,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:12,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:33:12,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317018035]
[2023-11-19 07:33:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:12,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:33:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:33:12,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:12,934 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:13,580 INFO L93 Difference]: Finished difference Result 189 states and 288 transitions.
[2023-11-19 07:33:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:33:13,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129
[2023-11-19 07:33:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:13,593 INFO L225 Difference]: With dead ends: 189
[2023-11-19 07:33:13,593 INFO L226 Difference]: Without dead ends: 133
[2023-11-19 07:33:13,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:33:13,596 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 76 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:13,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 308 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:33:13,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2023-11-19 07:33:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 113.
[2023-11-19 07:33:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 70 states have internal predecessors, (93), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-11-19 07:33:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 173 transitions.
[2023-11-19 07:33:13,638 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 173 transitions. Word has length 129
[2023-11-19 07:33:13,639 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:13,640 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 173 transitions.
[2023-11-19 07:33:13,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions.
[2023-11-19 07:33:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2023-11-19 07:33:13,643 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:13,644 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:13,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-11-19 07:33:13,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:13,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:13,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -727168651, now seen corresponding path program 1 times
[2023-11-19 07:33:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282706753]
[2023-11-19 07:33:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:13,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:13,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:13,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-19 07:33:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:14,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:33:14,145 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-11-19 07:33:14,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:14,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:14,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282706753]
[2023-11-19 07:33:14,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282706753] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:14,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:14,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:33:14,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652025719]
[2023-11-19 07:33:14,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:14,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:33:14,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:14,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:33:14,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:14,628 INFO L87 Difference]: Start difference. First operand 113 states and 173 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:15,084 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions.
[2023-11-19 07:33:15,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:15,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129
[2023-11-19 07:33:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:15,097 INFO L225 Difference]: With dead ends: 115
[2023-11-19 07:33:15,097 INFO L226 Difference]: Without dead ends: 59
[2023-11-19 07:33:15,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:15,099 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 27 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:15,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 105 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-19 07:33:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2023-11-19 07:33:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2023-11-19 07:33:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions.
[2023-11-19 07:33:15,119 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129
[2023-11-19 07:33:15,120 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:15,120 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions.
[2023-11-19 07:33:15,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-11-19 07:33:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions.
[2023-11-19 07:33:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2023-11-19 07:33:15,124 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:15,124 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:15,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-11-19 07:33:15,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:15,333 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:33:15,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:15,334 INFO L85 PathProgramCache]: Analyzing trace with hash -469003213, now seen corresponding path program 1 times
[2023-11-19 07:33:15,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:15,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884979077]
[2023-11-19 07:33:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:33:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:15,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:15,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e7e7a1-3c6b-4e92-98ac-47fbd077a80b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-19 07:33:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:15,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-11-19 07:33:15,660 INFO L285 TraceCheckSpWp]: Computing forward predicates...