./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:55:21,919 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:55:21,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:55:21,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:55:21,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:55:22,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:55:22,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:55:22,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:55:22,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:55:22,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:55:22,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:55:22,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:55:22,038 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:55:22,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:55:22,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:55:22,040 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:55:22,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:55:22,041 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:55:22,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:55:22,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:55:22,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:55:22,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:55:22,044 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:55:22,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:55:22,045 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:55:22,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:55:22,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:55:22,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:55:22,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:22,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:55:22,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:55:22,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:55:22,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:55:22,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:55:22,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:55:22,064 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:55:22,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:55:22,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:55:22,065 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:55:22,065 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291
[2023-11-19 07:55:22,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:55:22,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:55:22,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:55:22,379 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:55:22,379 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:55:22,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:25,443 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:55:25,777 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:55:25,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:25,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/1ffb4be37/c864b2d1e46e4f94b616b8e5744fedd2/FLAGd5751c5b6
[2023-11-19 07:55:25,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/1ffb4be37/c864b2d1e46e4f94b616b8e5744fedd2
[2023-11-19 07:55:25,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:55:25,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:55:25,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:25,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:55:25,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:55:25,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:25" (1/1) ...
[2023-11-19 07:55:25,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cdc706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:25, skipping insertion in model container
[2023-11-19 07:55:25,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:25" (1/1) ...
[2023-11-19 07:55:25,903 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:55:26,086 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928]
[2023-11-19 07:55:26,150 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:26,169 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:55:26,180 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928]
[2023-11-19 07:55:26,213 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:26,231 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:55:26,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26 WrapperNode
[2023-11-19 07:55:26,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:26,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:26,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:55:26,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:55:26,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,287 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136
[2023-11-19 07:55:26,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:26,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:55:26,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:55:26,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:55:26,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:55:26,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:55:26,328 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:55:26,328 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:55:26,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (1/1) ...
[2023-11-19 07:55:26,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:26,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:26,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:55:26,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:55:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:55:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:55:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:55:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:55:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:55:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:55:26,566 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:55:26,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:55:27,067 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:55:27,083 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:55:27,083 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:55:27,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:27 BoogieIcfgContainer
[2023-11-19 07:55:27,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:55:27,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:55:27,090 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:55:27,093 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:55:27,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:25" (1/3) ...
[2023-11-19 07:55:27,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da2806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:27, skipping insertion in model container
[2023-11-19 07:55:27,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:26" (2/3) ...
[2023-11-19 07:55:27,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da2806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:27, skipping insertion in model container
[2023-11-19 07:55:27,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:27" (3/3) ...
[2023-11-19 07:55:27,097 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:27,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:55:27,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:55:27,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:55:27,176 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;@17a8efdb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:55:27,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:55:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:55:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2023-11-19 07:55:27,195 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:27,196 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:27,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:27,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash -268082041, now seen corresponding path program 1 times
[2023-11-19 07:55:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:27,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157210355]
[2023-11-19 07:55:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:27,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:27,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157210355]
[2023-11-19 07:55:27,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-11-19 07:55:27,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97140149]
[2023-11-19 07:55:27,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:27,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:27,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:27,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:27,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:27,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:55:27,645 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2023-11-19 07:55:27,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:27,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97140149] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:27,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:27,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:27,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723065218]
[2023-11-19 07:55:27,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:27,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:55:27,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:27,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:55:27,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:55:27,785 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:27,819 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions.
[2023-11-19 07:55:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:55:27,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112
[2023-11-19 07:55:27,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:27,828 INFO L225 Difference]: With dead ends: 109
[2023-11-19 07:55:27,828 INFO L226 Difference]: Without dead ends: 54
[2023-11-19 07:55:27,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 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 07:55:27,836 INFO L413 NwaCegarLoop]: 79 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, 79 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 07:55:27,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:27,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:55:27,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:55:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:55:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions.
[2023-11-19 07:55:27,888 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 112
[2023-11-19 07:55:27,888 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:27,889 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions.
[2023-11-19 07:55:27,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions.
[2023-11-19 07:55:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2023-11-19 07:55:27,893 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:27,893 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:27,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-19 07:55:28,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-11-19 07:55:28,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:28,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:28,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1458214647, now seen corresponding path program 1 times
[2023-11-19 07:55:28,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:28,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949832506]
[2023-11-19 07:55:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:28,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:28,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:28,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043865036]
[2023-11-19 07:55:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:28,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:28,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:28,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:55:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:28,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:55:28,402 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:28,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:28,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:28,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949832506]
[2023-11-19 07:55:28,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:28,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043865036]
[2023-11-19 07:55:28,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043865036] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:28,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:28,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333931210]
[2023-11-19 07:55:28,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:28,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:28,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:28,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:28,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:28,605 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:28,664 INFO L93 Difference]: Finished difference Result 156 states and 231 transitions.
[2023-11-19 07:55:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:28,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 112
[2023-11-19 07:55:28,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:28,669 INFO L225 Difference]: With dead ends: 156
[2023-11-19 07:55:28,669 INFO L226 Difference]: Without dead ends: 105
[2023-11-19 07:55:28,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 07:55:28,672 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 71 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:28,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 142 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:28,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2023-11-19 07:55:28,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 57.
[2023-11-19 07:55:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:55:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions.
[2023-11-19 07:55:28,693 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 112
[2023-11-19 07:55:28,695 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:28,696 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions.
[2023-11-19 07:55:28,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions.
[2023-11-19 07:55:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:55:28,700 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:28,700 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:28,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-11-19 07:55:28,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:28,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:28,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2036138026, now seen corresponding path program 1 times
[2023-11-19 07:55:28,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:28,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895669945]
[2023-11-19 07:55:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:28,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:29,013 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:29,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090414840]
[2023-11-19 07:55:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:29,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:29,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:29,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:55:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:29,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:55:29,209 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked.
[2023-11-19 07:55:29,426 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:55:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2023-11-19 07:55:29,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895669945]
[2023-11-19 07:55:29,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090414840]
[2023-11-19 07:55:29,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090414840] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:55:29,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:55:29,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-11-19 07:55:29,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913983200]
[2023-11-19 07:55:29,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:55:29,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:55:29,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:29,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:55:29,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:55:29,659 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2023-11-19 07:55:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:29,907 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions.
[2023-11-19 07:55:29,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 07:55:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 113
[2023-11-19 07:55:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:29,913 INFO L225 Difference]: With dead ends: 127
[2023-11-19 07:55:29,913 INFO L226 Difference]: Without dead ends: 73
[2023-11-19 07:55:29,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:55:29,916 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 62 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:29,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 145 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:55:29,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 07:55:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70.
[2023-11-19 07:55:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2023-11-19 07:55:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions.
[2023-11-19 07:55:29,938 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 113
[2023-11-19 07:55:29,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:29,939 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions.
[2023-11-19 07:55:29,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2023-11-19 07:55:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions.
[2023-11-19 07:55:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:55:29,941 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:29,942 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:29,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:30,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:30,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:30,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1865802260, now seen corresponding path program 1 times
[2023-11-19 07:55:30,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:30,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936323880]
[2023-11-19 07:55:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:30,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292048847]
[2023-11-19 07:55:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:30,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:30,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:30,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:30,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:55:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:30,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-19 07:55:30,467 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:31,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:31,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936323880]
[2023-11-19 07:55:31,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292048847]
[2023-11-19 07:55:31,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292048847] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:31,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:31,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:31,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753767536]
[2023-11-19 07:55:31,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:31,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:31,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:31,031 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:31,161 INFO L93 Difference]: Finished difference Result 178 states and 247 transitions.
[2023-11-19 07:55:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:31,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113
[2023-11-19 07:55:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:31,164 INFO L225 Difference]: With dead ends: 178
[2023-11-19 07:55:31,165 INFO L226 Difference]: Without dead ends: 120
[2023-11-19 07:55:31,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 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 07:55:31,167 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 52 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:31,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2023-11-19 07:55:31,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 99.
[2023-11-19 07:55:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.15) internal successors, (69), 60 states have internal predecessors, (69), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:55:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions.
[2023-11-19 07:55:31,190 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 113
[2023-11-19 07:55:31,190 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:31,191 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions.
[2023-11-19 07:55:31,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions.
[2023-11-19 07:55:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:55:31,193 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:31,193 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:31,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:31,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:31,394 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:31,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1842359022, now seen corresponding path program 1 times
[2023-11-19 07:55:31,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:31,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383565883]
[2023-11-19 07:55:31,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:31,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:31,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:31,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107718678]
[2023-11-19 07:55:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:31,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:31,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:31,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-19 07:55:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:31,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-19 07:55:31,814 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:32,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:32,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:32,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383565883]
[2023-11-19 07:55:32,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:32,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107718678]
[2023-11-19 07:55:32,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107718678] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:32,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:32,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:32,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215107836]
[2023-11-19 07:55:32,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:32,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:32,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:32,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:32,242 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:32,377 INFO L93 Difference]: Finished difference Result 178 states and 246 transitions.
[2023-11-19 07:55:32,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:32,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113
[2023-11-19 07:55:32,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:32,380 INFO L225 Difference]: With dead ends: 178
[2023-11-19 07:55:32,381 INFO L226 Difference]: Without dead ends: 120
[2023-11-19 07:55:32,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 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 07:55:32,386 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 40 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:32,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 211 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2023-11-19 07:55:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100.
[2023-11-19 07:55:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 61 states have internal predecessors, (70), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:55:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions.
[2023-11-19 07:55:32,433 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 113
[2023-11-19 07:55:32,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:32,436 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions.
[2023-11-19 07:55:32,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions.
[2023-11-19 07:55:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:55:32,444 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:32,445 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:32,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:32,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:32,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:32,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:32,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1729343668, now seen corresponding path program 1 times
[2023-11-19 07:55:32,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613833999]
[2023-11-19 07:55:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:32,700 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:32,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098025941]
[2023-11-19 07:55:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:32,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:32,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:32,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-19 07:55:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:32,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:55:32,839 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked.
[2023-11-19 07:55:32,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613833999]
[2023-11-19 07:55:32,959 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098025941]
[2023-11-19 07:55:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098025941] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:32,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:32,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:32,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907327240]
[2023-11-19 07:55:32,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:32,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:32,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:32,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:32,963 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:33,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:33,081 INFO L93 Difference]: Finished difference Result 213 states and 297 transitions.
[2023-11-19 07:55:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:33,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113
[2023-11-19 07:55:33,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:33,085 INFO L225 Difference]: With dead ends: 213
[2023-11-19 07:55:33,085 INFO L226 Difference]: Without dead ends: 155
[2023-11-19 07:55:33,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 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 07:55:33,087 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 97 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:33,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 132 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2023-11-19 07:55:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 100.
[2023-11-19 07:55:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 61 states have internal predecessors, (70), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:55:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions.
[2023-11-19 07:55:33,117 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 113
[2023-11-19 07:55:33,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:33,118 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions.
[2023-11-19 07:55:33,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions.
[2023-11-19 07:55:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2023-11-19 07:55:33,120 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:33,120 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:33,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:33,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:33,342 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:33,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:33,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1851203085, now seen corresponding path program 1 times
[2023-11-19 07:55:33,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:33,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190039986]
[2023-11-19 07:55:33,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:33,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:33,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162527527]
[2023-11-19 07:55:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:33,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:33,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-19 07:55:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:33,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:55:33,516 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:33,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:33,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:33,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190039986]
[2023-11-19 07:55:33,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:33,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162527527]
[2023-11-19 07:55:33,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162527527] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:33,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:33,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:33,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29101862]
[2023-11-19 07:55:33,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:33,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:33,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:33,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:33,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:33,665 INFO L87 Difference]: Start difference. First operand 100 states and 138 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:33,776 INFO L93 Difference]: Finished difference Result 178 states and 245 transitions.
[2023-11-19 07:55:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:33,777 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114
[2023-11-19 07:55:33,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:33,781 INFO L225 Difference]: With dead ends: 178
[2023-11-19 07:55:33,781 INFO L226 Difference]: Without dead ends: 120
[2023-11-19 07:55:33,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 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 07:55:33,783 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 43 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:33,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 216 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2023-11-19 07:55:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 101.
[2023-11-19 07:55:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:55:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions.
[2023-11-19 07:55:33,818 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 114
[2023-11-19 07:55:33,818 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:33,819 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions.
[2023-11-19 07:55:33,819 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions.
[2023-11-19 07:55:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2023-11-19 07:55:33,821 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:33,822 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:33,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:34,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2023-11-19 07:55:34,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:34,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1933128140, now seen corresponding path program 1 times
[2023-11-19 07:55:34,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156998679]
[2023-11-19 07:55:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:34,075 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:34,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926157005]
[2023-11-19 07:55:34,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:34,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:34,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:34,077 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:34,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-11-19 07:55:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:34,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:55:34,233 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:34,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:34,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156998679]
[2023-11-19 07:55:34,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-19 07:55:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926157005]
[2023-11-19 07:55:34,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926157005] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:34,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:34,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:34,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941111204]
[2023-11-19 07:55:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:34,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:34,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:34,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:34,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:34,391 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:34,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:34,536 INFO L93 Difference]: Finished difference Result 214 states and 297 transitions.
[2023-11-19 07:55:34,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:34,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114
[2023-11-19 07:55:34,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:34,539 INFO L225 Difference]: With dead ends: 214
[2023-11-19 07:55:34,539 INFO L226 Difference]: Without dead ends: 156
[2023-11-19 07:55:34,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 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 07:55:34,541 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 84 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:34,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 130 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2023-11-19 07:55:34,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 98.
[2023-11-19 07:55:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 59 states have internal predecessors, (67), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:55:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions.
[2023-11-19 07:55:34,566 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 114
[2023-11-19 07:55:34,567 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:34,567 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions.
[2023-11-19 07:55:34,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions.
[2023-11-19 07:55:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2023-11-19 07:55:34,569 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:34,569 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:34,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:34,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-19 07:55:34,791 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:34,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:34,792 INFO L85 PathProgramCache]: Analyzing trace with hash 163247437, now seen corresponding path program 1 times
[2023-11-19 07:55:34,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:34,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969943215]
[2023-11-19 07:55:34,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:34,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:34,820 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-19 07:55:34,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44832758]
[2023-11-19 07:55:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:34,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:34,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:34,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:34,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-11-19 07:55:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:55:34,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:55:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:55:35,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:55:35,144 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:55:35,146 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:55:35,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:35,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2023-11-19 07:55:35,363 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:35,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:55:35,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:35 BoogieIcfgContainer
[2023-11-19 07:55:35,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:55:35,521 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:55:35,521 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:55:35,521 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:55:35,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:27" (3/4) ...
[2023-11-19 07:55:35,524 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:55:35,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:55:35,526 INFO L158 Benchmark]: Toolchain (without parser) took 9686.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.9MB in the beginning and 164.3MB in the end (delta: -29.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,526 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:55:35,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.79ms. Allocated memory is still 165.7MB. Free memory was 134.9MB in the beginning and 121.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 165.7MB. Free memory was 121.9MB in the beginning and 119.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,528 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,528 INFO L158 Benchmark]: RCFGBuilder took 759.48ms. Allocated memory is still 165.7MB. Free memory was 117.0MB in the beginning and 121.2MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,529 INFO L158 Benchmark]: TraceAbstraction took 8430.50ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.4MB in the beginning and 164.3MB in the end (delta: -43.9MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB.
[2023-11-19 07:55:35,529 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 199.2MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:55:35,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 388.79ms. Allocated memory is still 165.7MB. Free memory was 134.9MB in the beginning and 121.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 54.77ms. Allocated memory is still 165.7MB. Free memory was 121.9MB in the beginning and 119.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.89ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 759.48ms. Allocated memory is still 165.7MB. Free memory was 117.0MB in the beginning and 121.2MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 8430.50ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.4MB in the beginning and 164.3MB in the end (delta: -43.9MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB.
* Witness Printer took 4.50ms. Allocated memory is still 199.2MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- 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 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 127.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] signed short int var_1_1 = 16;
[L23] signed char var_1_10 = 2;
[L24] signed char var_1_11 = 1;
[L25] float var_1_14 = 64.3;
[L26] signed char var_1_16 = 32;
[L27] unsigned char var_1_17 = 1;
[L28] unsigned char var_1_18 = 0;
[L29] unsigned char var_1_19 = 0;
[L30] double var_1_20 = 9.25;
[L31] double var_1_21 = 255.05;
[L32] double var_1_22 = 25.5;
[L33] unsigned char var_1_23 = 2;
[L34] unsigned char var_1_25 = 1;
[L35] unsigned short int var_1_26 = 5;
[L36] unsigned char var_1_27 = 128;
[L37] unsigned char var_1_28 = 1;
[L38] signed long int var_1_29 = 128;
[L39] unsigned long int var_1_31 = 1;
[L40] unsigned char last_1_var_1_17 = 1;
[L41] double last_1_var_1_20 = 9.25;
[L42] unsigned char last_1_var_1_23 = 2;
[L43] unsigned short int last_1_var_1_26 = 5;
[L44] signed long int last_1_var_1_29 = 128;
VAL [isInitial=0, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L131] isInitial = 1
[L132] FCALL initially()
[L133] COND TRUE 1
[L134] CALL updateLastVariables()
[L120] last_1_var_1_17 = var_1_17
[L121] last_1_var_1_20 = var_1_20
[L122] last_1_var_1_23 = var_1_23
[L123] last_1_var_1_26 = var_1_26
[L124] last_1_var_1_29 = var_1_29
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L134] RET updateLastVariables()
[L135] CALL updateVariables()
[L91] var_1_11 = __VERIFIER_nondet_char()
[L92] CALL assume_abort_if_not(var_1_11 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L92] RET assume_abort_if_not(var_1_11 >= -63)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L93] CALL assume_abort_if_not(var_1_11 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L93] RET assume_abort_if_not(var_1_11 <= 63)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L94] var_1_14 = __VERIFIER_nondet_float()
[L95] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L95] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L96] var_1_16 = __VERIFIER_nondet_char()
[L97] CALL assume_abort_if_not(var_1_16 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L97] RET assume_abort_if_not(var_1_16 >= -63)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L98] CALL assume_abort_if_not(var_1_16 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L98] RET assume_abort_if_not(var_1_16 <= 63)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L99] var_1_18 = __VERIFIER_nondet_uchar()
[L100] CALL assume_abort_if_not(var_1_18 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L100] RET assume_abort_if_not(var_1_18 >= 1)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L101] CALL assume_abort_if_not(var_1_18 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L101] RET assume_abort_if_not(var_1_18 <= 1)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L102] var_1_19 = __VERIFIER_nondet_uchar()
[L103] CALL assume_abort_if_not(var_1_19 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L103] RET assume_abort_if_not(var_1_19 >= 1)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L104] CALL assume_abort_if_not(var_1_19 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L104] RET assume_abort_if_not(var_1_19 <= 1)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L105] var_1_21 = __VERIFIER_nondet_double()
[L106] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L106] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L107] var_1_22 = __VERIFIER_nondet_double()
[L108] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L108] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L109] var_1_25 = __VERIFIER_nondet_uchar()
[L110] CALL assume_abort_if_not(var_1_25 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L110] RET assume_abort_if_not(var_1_25 >= 0)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L111] CALL assume_abort_if_not(var_1_25 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L111] RET assume_abort_if_not(var_1_25 <= 254)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1]
[L112] var_1_27 = __VERIFIER_nondet_uchar()
[L113] CALL assume_abort_if_not(var_1_27 >= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L113] RET assume_abort_if_not(var_1_27 >= 127)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L114] CALL assume_abort_if_not(var_1_27 <= 255)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L114] RET assume_abort_if_not(var_1_27 <= 255)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1]
[L115] var_1_28 = __VERIFIER_nondet_uchar()
[L116] CALL assume_abort_if_not(var_1_28 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L116] RET assume_abort_if_not(var_1_28 >= 0)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L117] CALL assume_abort_if_not(var_1_28 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L117] RET assume_abort_if_not(var_1_28 <= 127)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L135] RET updateVariables()
[L136] CALL step()
[L48] COND TRUE (last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26
[L49] var_1_23 = var_1_25
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L51] COND FALSE !((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L54] COND TRUE last_1_var_1_17 || last_1_var_1_17
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L55] COND TRUE (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)
[L56] var_1_10 = (var_1_11 + var_1_16)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L64] var_1_17 = (var_1_18 && var_1_19)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L65] COND FALSE !(! var_1_18)
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L68] COND TRUE 256 >= var_1_10
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L69] COND FALSE !(var_1_17 && (var_1_25 >= (var_1_27 - var_1_28)))
[L72] var_1_26 = var_1_28
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1]
[L77] var_1_31 = var_1_26
[L78] signed long int stepLocal_0 = var_1_23 * var_1_26;
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, stepLocal_0=0, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=0]
[L79] COND FALSE !(((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20))
[L86] var_1_1 = -50
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, stepLocal_0=0, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=0]
[L88] var_1_29 = var_1_1
VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, stepLocal_0=0, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0]
[L136] RET step()
[L137] CALL, EXPR property()
[L127-L128] return ((((((((((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) ? (((var_1_23 * var_1_26) <= (~ var_1_26)) ? (var_1_1 == ((signed short int) (((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) + var_1_23))) : (var_1_1 == ((signed short int) var_1_10))) : (var_1_1 == ((signed short int) -50))) && (((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) ? (var_1_10 == ((signed char) (var_1_11 + 10))) : ((last_1_var_1_17 || last_1_var_1_17) ? (((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)) ? (var_1_10 == ((signed char) (var_1_11 + var_1_16))) : (var_1_10 == ((signed char) var_1_11))) : (var_1_10 == ((signed char) var_1_16))))) && (var_1_17 == ((unsigned char) (var_1_18 && var_1_19)))) && ((! var_1_18) ? (var_1_20 == ((double) ((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22))))) : 1)) && (((last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26) ? (var_1_23 == ((unsigned char) var_1_25)) : 1)) && ((256 >= var_1_10) ? ((var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) ? (var_1_26 == ((unsigned short int) 16)) : (var_1_26 == ((unsigned short int) var_1_28))) : (var_1_26 == ((unsigned short int) var_1_25)))) && (var_1_29 == ((signed long int) var_1_1))) && (var_1_31 == ((unsigned long int) var_1_26))
;
VAL [\result=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0]
[L137] RET, EXPR property()
[L137] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=3, var_1_22=4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 9, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 449 mSDsluCounter, 1263 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 680 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 583 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 993 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=7, InterpolantAutomatonStates: 33, 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, 8 MinimizatonAttempts, 224 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1008 ConstructedInterpolants, 0 QuantifiedInterpolants, 3186 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2347 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 4830/4896 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 07:55:35,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:55:38,375 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:55:38,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 07:55:38,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:55:38,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:55:38,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:55:38,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:55:38,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:55:38,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:55:38,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:55:38,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:55:38,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:55:38,581 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:55:38,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:55:38,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:55:38,584 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:55:38,584 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:55:38,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:55:38,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:55:38,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:55:38,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:55:38,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:55:38,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:55:38,588 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:55:38,588 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:55:38,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:55:38,589 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:55:38,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:55:38,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:55:38,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:55:38,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:38,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:55:38,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:55:38,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:55:38,593 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:55:38,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:55:38,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:55:38,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:55:38,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:55:38,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:55:38,595 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:55:38,595 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:55:38,596 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291
[2023-11-19 07:55:39,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:55:39,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:55:39,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:55:39,069 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:55:39,069 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:55:39,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:42,471 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:55:42,675 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:55:42,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:42,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/804114ec6/215e58f1f6364a48a2592ae80ab5d7a6/FLAGd1a941362
[2023-11-19 07:55:42,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/data/804114ec6/215e58f1f6364a48a2592ae80ab5d7a6
[2023-11-19 07:55:42,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:55:42,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:55:42,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:42,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:55:42,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:55:42,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:42" (1/1) ...
[2023-11-19 07:55:42,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147411e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:42, skipping insertion in model container
[2023-11-19 07:55:42,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:42" (1/1) ...
[2023-11-19 07:55:42,767 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:55:42,970 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928]
[2023-11-19 07:55:43,072 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:43,101 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:55:43,140 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_57c81e31-9eca-43ce-90b1-c7ffb72bd081/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928]
[2023-11-19 07:55:43,198 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:43,223 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:55:43,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43 WrapperNode
[2023-11-19 07:55:43,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:43,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:43,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:55:43,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:55:43,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,306 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134
[2023-11-19 07:55:43,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:43,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:55:43,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:55:43,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:55:43,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:55:43,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:55:43,400 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:55:43,400 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:55:43,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (1/1) ...
[2023-11-19 07:55:43,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:43,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:55:43,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:55:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:55:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:55:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:55:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:55:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:55:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:55:43,556 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:55:43,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:55:48,038 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:55:48,047 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:55:48,047 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:55:48,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:48 BoogieIcfgContainer
[2023-11-19 07:55:48,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:55:48,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:55:48,055 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:55:48,059 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:55:48,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:42" (1/3) ...
[2023-11-19 07:55:48,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13321517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:48, skipping insertion in model container
[2023-11-19 07:55:48,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43" (2/3) ...
[2023-11-19 07:55:48,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13321517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:48, skipping insertion in model container
[2023-11-19 07:55:48,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:48" (3/3) ...
[2023-11-19 07:55:48,063 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-72.i
[2023-11-19 07:55:48,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:55:48,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:55:48,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:55:48,145 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;@6ad59d35, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:55:48,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:55:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:55:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2023-11-19 07:55:48,166 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:48,167 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:48,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:48,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:48,174 INFO L85 PathProgramCache]: Analyzing trace with hash -268082041, now seen corresponding path program 1 times
[2023-11-19 07:55:48,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:55:48,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567645978]
[2023-11-19 07:55:48,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:48,191 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 07:55:48,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:55:48,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:48,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:48,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:55:48,845 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked.
[2023-11-19 07:55:48,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:48,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:55:48,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567645978]
[2023-11-19 07:55:48,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567645978] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:48,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:48,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:48,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111300338]
[2023-11-19 07:55:48,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:48,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:55:48,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:55:48,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:55:48,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:55:48,957 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:49,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:49,016 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions.
[2023-11-19 07:55:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:55:49,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112
[2023-11-19 07:55:49,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:49,030 INFO L225 Difference]: With dead ends: 109
[2023-11-19 07:55:49,030 INFO L226 Difference]: Without dead ends: 54
[2023-11-19 07:55:49,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 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 07:55:49,040 INFO L413 NwaCegarLoop]: 78 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, 78 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 07:55:49,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:49,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:55:49,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:55:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:55:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions.
[2023-11-19 07:55:49,093 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 112
[2023-11-19 07:55:49,094 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:49,094 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions.
[2023-11-19 07:55:49,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2023-11-19 07:55:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions.
[2023-11-19 07:55:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:55:49,098 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:49,099 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:49,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:49,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:49,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:55:49,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2036138026, now seen corresponding path program 1 times
[2023-11-19 07:55:49,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:55:49,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377948209]
[2023-11-19 07:55:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:49,303 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 07:55:49,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:55:49,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:49,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:55:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:49,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:55:49,897 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:55:52,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:52,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:55:52,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377948209]
[2023-11-19 07:55:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377948209] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:52,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:52,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:52,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613998162]
[2023-11-19 07:55:52,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:52,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:52,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:55:52,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:52,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:52,118 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:55:54,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:55:56,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:55:58,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:00,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:00,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:00,821 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions.
[2023-11-19 07:56:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:00,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113
[2023-11-19 07:56:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:00,862 INFO L225 Difference]: With dead ends: 157
[2023-11-19 07:56:00,862 INFO L226 Difference]: Without dead ends: 106
[2023-11-19 07:56:00,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:00,865 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 53 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 35 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:00,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 210 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time]
[2023-11-19 07:56:00,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2023-11-19 07:56:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 88.
[2023-11-19 07:56:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 51 states have internal predecessors, (60), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:56:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions.
[2023-11-19 07:56:00,905 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 113
[2023-11-19 07:56:00,906 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:00,906 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions.
[2023-11-19 07:56:00,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:56:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions.
[2023-11-19 07:56:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:56:00,912 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:00,912 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:00,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:01,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:01,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:01,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1449332012, now seen corresponding path program 1 times
[2023-11-19 07:56:01,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:01,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189626557]
[2023-11-19 07:56:01,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,122 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 07:56:01,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:01,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:01,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:56:01,639 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:56:03,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:03,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:03,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189626557]
[2023-11-19 07:56:03,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189626557] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:03,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:03,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:03,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583864577]
[2023-11-19 07:56:03,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:03,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:03,738 INFO L87 Difference]: Start difference. First operand 88 states and 128 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:56:06,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:08,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:10,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:12,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:12,351 INFO L93 Difference]: Finished difference Result 157 states and 228 transitions.
[2023-11-19 07:56:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113
[2023-11-19 07:56:12,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:12,399 INFO L225 Difference]: With dead ends: 157
[2023-11-19 07:56:12,399 INFO L226 Difference]: Without dead ends: 106
[2023-11-19 07:56:12,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:12,402 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 40 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 35 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:12,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 212 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 8.5s Time]
[2023-11-19 07:56:12,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2023-11-19 07:56:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89.
[2023-11-19 07:56:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 states have internal predecessors, (61), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-11-19 07:56:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions.
[2023-11-19 07:56:12,430 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 113
[2023-11-19 07:56:12,431 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:12,431 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions.
[2023-11-19 07:56:12,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:56:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions.
[2023-11-19 07:56:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2023-11-19 07:56:12,434 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:12,434 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:12,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:12,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:12,647 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:12,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:12,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1458176075, now seen corresponding path program 1 times
[2023-11-19 07:56:12,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:12,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913825908]
[2023-11-19 07:56:12,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:12,649 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 07:56:12,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:12,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:12,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c81e31-9eca-43ce-90b1-c7ffb72bd081/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 07:56:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:13,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:56:13,283 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-11-19 07:56:14,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:14,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913825908]
[2023-11-19 07:56:14,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913825908] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:14,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:14,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062389086]
[2023-11-19 07:56:14,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:14,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:14,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:14,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:14,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:14,295 INFO L87 Difference]: Start difference. First operand 89 states and 129 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-11-19 07:56:16,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:18,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-19 07:56:20,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []