./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label22.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 782212e92ca4a15b07e81f4c0ca47da63585acb1e5a128bc81275e5c438e9fe1
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:55:27,030 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:55:27,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:55:27,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:55:27,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:55:27,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:55:27,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:55:27,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:55:27,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:55:27,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:55:27,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:55:27,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:55:27,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:55:27,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:55:27,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:55:27,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:55:27,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:55:27,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:55:27,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:55:27,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:55:27,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:55:27,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:55:27,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:55:27,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:55:27,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:55:27,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:55:27,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:55:27,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:55:27,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:55:27,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:55:27,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:55:27,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:55:27,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:55:27,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:55:27,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:55:27,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:55:27,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:55:27,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:55:27,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:55:27,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:55:27,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:55:27,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 22:55:27,207 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:55:27,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:55:27,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:55:27,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:55:27,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:55:27,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:55:27,216 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:55:27,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:55:27,217 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 22:55:27,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:55:27,217 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 22:55:27,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:55:27,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 22:55:27,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 22:55:27,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 22:55:27,218 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 22:55:27,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:55:27,219 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:55:27,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 22:55:27,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:55:27,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:55:27,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 22:55:27,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:55:27,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:55:27,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 22:55:27,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 22:55:27,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:55:27,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 22:55:27,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-10-28 22:55:27,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 22:55:27,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 22:55:27,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:55:27,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782212e92ca4a15b07e81f4c0ca47da63585acb1e5a128bc81275e5c438e9fe1
[2021-10-28 22:55:27,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:55:27,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:55:27,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:55:27,503 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:55:27,504 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:55:27,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem11_label22.c
[2021-10-28 22:55:27,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/data/a7aa66fc0/ac57d7b00329440c8098f59f4f78c59a/FLAG64628b4c0
[2021-10-28 22:55:28,219 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:55:28,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/sv-benchmarks/c/eca-rers2012/Problem11_label22.c
[2021-10-28 22:55:28,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/data/a7aa66fc0/ac57d7b00329440c8098f59f4f78c59a/FLAG64628b4c0
[2021-10-28 22:55:28,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/data/a7aa66fc0/ac57d7b00329440c8098f59f4f78c59a
[2021-10-28 22:55:28,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:55:28,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:55:28,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:55:28,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:55:28,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:55:28,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:28" (1/1) ...
[2021-10-28 22:55:28,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc6378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:28, skipping insertion in model container
[2021-10-28 22:55:28,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:28" (1/1) ...
[2021-10-28 22:55:28,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:55:28,582 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:55:28,841 WARN L228 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_44e05e03-5137-45f0-9e80-2582b64a2e54/sv-benchmarks/c/eca-rers2012/Problem11_label22.c[8004,8017]
[2021-10-28 22:55:29,113 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:55:29,122 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:55:29,157 WARN L228 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_44e05e03-5137-45f0-9e80-2582b64a2e54/sv-benchmarks/c/eca-rers2012/Problem11_label22.c[8004,8017]
[2021-10-28 22:55:29,333 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:55:29,348 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:55:29,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29 WrapperNode
[2021-10-28 22:55:29,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:55:29,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:55:29,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:55:29,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:55:29,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:55:29,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:55:29,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:55:29,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:55:29,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:55:29,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:55:29,635 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:55:29,635 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:55:29,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (1/1) ...
[2021-10-28 22:55:29,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:55:29,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:55:29,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 22:55:29,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:55:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 22:55:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 22:55:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:55:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:55:31,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:55:31,391 INFO L299 CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 22:55:31,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:31 BoogieIcfgContainer
[2021-10-28 22:55:31,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:55:31,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 22:55:31,396 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 22:55:31,399 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 22:55:31,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:55:28" (1/3) ...
[2021-10-28 22:55:31,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3028c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:55:31, skipping insertion in model container
[2021-10-28 22:55:31,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:29" (2/3) ...
[2021-10-28 22:55:31,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3028c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:55:31, skipping insertion in model container
[2021-10-28 22:55:31,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:31" (3/3) ...
[2021-10-28 22:55:31,402 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label22.c
[2021-10-28 22:55:31,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 22:55:31,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-28 22:55:31,459 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 22:55:31,465 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 22:55:31,465 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-28 22:55:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2021-10-28 22:55:31,497 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:31,498 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:31,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:31,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times
[2021-10-28 22:55:31,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:31,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561036805]
[2021-10-28 22:55:31,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:31,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:31,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:31,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561036805]
[2021-10-28 22:55:31,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561036805] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:31,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:31,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:55:31,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570126347]
[2021-10-28 22:55:31,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:31,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:31,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:31,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:31,817 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:33,156 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions.
[2021-10-28 22:55:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:33,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55
[2021-10-28 22:55:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:33,173 INFO L225 Difference]: With dead ends: 761
[2021-10-28 22:55:33,173 INFO L226 Difference]: Without dead ends: 413
[2021-10-28 22:55:33,178 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:33,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states.
[2021-10-28 22:55:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413.
[2021-10-28 22:55:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions.
[2021-10-28 22:55:33,276 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 55
[2021-10-28 22:55:33,276 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:33,277 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions.
[2021-10-28 22:55:33,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions.
[2021-10-28 22:55:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2021-10-28 22:55:33,283 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:33,284 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:33,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 22:55:33,284 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash -149441032, now seen corresponding path program 1 times
[2021-10-28 22:55:33,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:33,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327007805]
[2021-10-28 22:55:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:33,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:33,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:33,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327007805]
[2021-10-28 22:55:33,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327007805] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:33,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:33,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:55:33,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115880999]
[2021-10-28 22:55:33,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:33,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:33,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:33,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:33,496 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:34,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:34,430 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions.
[2021-10-28 22:55:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:34,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123
[2021-10-28 22:55:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:34,446 INFO L225 Difference]: With dead ends: 1211
[2021-10-28 22:55:34,451 INFO L226 Difference]: Without dead ends: 800
[2021-10-28 22:55:34,454 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states.
[2021-10-28 22:55:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789.
[2021-10-28 22:55:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions.
[2021-10-28 22:55:34,513 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 123
[2021-10-28 22:55:34,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:34,514 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions.
[2021-10-28 22:55:34,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions.
[2021-10-28 22:55:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2021-10-28 22:55:34,521 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:34,522 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:34,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 22:55:34,522 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:34,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:34,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1649165251, now seen corresponding path program 1 times
[2021-10-28 22:55:34,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:34,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495465898]
[2021-10-28 22:55:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:34,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:34,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:34,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495465898]
[2021-10-28 22:55:34,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495465898] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:34,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:34,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:55:34,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416594740]
[2021-10-28 22:55:34,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:34,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:34,697 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:35,469 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions.
[2021-10-28 22:55:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:35,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125
[2021-10-28 22:55:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:35,477 INFO L225 Difference]: With dead ends: 1945
[2021-10-28 22:55:35,477 INFO L226 Difference]: Without dead ends: 1158
[2021-10-28 22:55:35,479 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states.
[2021-10-28 22:55:35,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157.
[2021-10-28 22:55:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:35,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions.
[2021-10-28 22:55:35,536 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 125
[2021-10-28 22:55:35,537 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:35,537 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions.
[2021-10-28 22:55:35,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions.
[2021-10-28 22:55:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2021-10-28 22:55:35,546 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:35,547 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:35,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 22:55:35,548 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:35,549 INFO L85 PathProgramCache]: Analyzing trace with hash 693126941, now seen corresponding path program 1 times
[2021-10-28 22:55:35,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:35,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187600555]
[2021-10-28 22:55:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:35,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:35,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:35,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187600555]
[2021-10-28 22:55:35,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187600555] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:35,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:35,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:35,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507331406]
[2021-10-28 22:55:35,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:35,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:35,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:35,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:35,773 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:36,619 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions.
[2021-10-28 22:55:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:36,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182
[2021-10-28 22:55:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:36,632 INFO L225 Difference]: With dead ends: 2519
[2021-10-28 22:55:36,633 INFO L226 Difference]: Without dead ends: 1548
[2021-10-28 22:55:36,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:36,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states.
[2021-10-28 22:55:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545.
[2021-10-28 22:55:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions.
[2021-10-28 22:55:36,676 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 182
[2021-10-28 22:55:36,677 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:36,677 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions.
[2021-10-28 22:55:36,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions.
[2021-10-28 22:55:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2021-10-28 22:55:36,683 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:36,683 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:36,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 22:55:36,684 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1614618080, now seen corresponding path program 1 times
[2021-10-28 22:55:36,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:36,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124468953]
[2021-10-28 22:55:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:36,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2021-10-28 22:55:36,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:36,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124468953]
[2021-10-28 22:55:36,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124468953] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:36,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:36,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:36,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864655856]
[2021-10-28 22:55:36,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:36,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:36,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:36,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:36,930 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:37,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:37,901 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions.
[2021-10-28 22:55:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:37,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237
[2021-10-28 22:55:37,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:37,916 INFO L225 Difference]: With dead ends: 3650
[2021-10-28 22:55:37,916 INFO L226 Difference]: Without dead ends: 2291
[2021-10-28 22:55:37,918 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:37,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states.
[2021-10-28 22:55:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098.
[2021-10-28 22:55:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions.
[2021-10-28 22:55:37,973 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 237
[2021-10-28 22:55:37,974 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:37,974 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions.
[2021-10-28 22:55:37,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions.
[2021-10-28 22:55:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2021-10-28 22:55:37,980 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:37,981 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:37,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-28 22:55:37,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:37,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:37,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1116092079, now seen corresponding path program 1 times
[2021-10-28 22:55:37,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:37,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336226711]
[2021-10-28 22:55:37,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:37,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 91 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-10-28 22:55:38,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:38,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336226711]
[2021-10-28 22:55:38,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336226711] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:55:38,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018046881]
[2021-10-28 22:55:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:38,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:55:38,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:55:38,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:55:38,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-28 22:55:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:38,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 22:55:38,461 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:55:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-10-28 22:55:39,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018046881] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:39,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 22:55:39,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2021-10-28 22:55:39,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326161472]
[2021-10-28 22:55:39,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:39,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:39,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:39,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-28 22:55:39,182 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:40,186 INFO L93 Difference]: Finished difference Result 5671 states and 7287 transitions.
[2021-10-28 22:55:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:40,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243
[2021-10-28 22:55:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:40,207 INFO L225 Difference]: With dead ends: 5671
[2021-10-28 22:55:40,208 INFO L226 Difference]: Without dead ends: 3575
[2021-10-28 22:55:40,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-28 22:55:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states.
[2021-10-28 22:55:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 3572.
[2021-10-28 22:55:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3571 states have (on average 1.2509101092131056) internal successors, (4467), 3571 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4467 transitions.
[2021-10-28 22:55:40,303 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4467 transitions. Word has length 243
[2021-10-28 22:55:40,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:40,303 INFO L470 AbstractCegarLoop]: Abstraction has 3572 states and 4467 transitions.
[2021-10-28 22:55:40,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4467 transitions.
[2021-10-28 22:55:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283
[2021-10-28 22:55:40,328 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:40,329 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:40,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-28 22:55:40,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2021-10-28 22:55:40,550 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:40,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:40,550 INFO L85 PathProgramCache]: Analyzing trace with hash 741694043, now seen corresponding path program 1 times
[2021-10-28 22:55:40,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:40,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867833662]
[2021-10-28 22:55:40,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:40,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:40,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:40,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867833662]
[2021-10-28 22:55:40,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867833662] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:40,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:40,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:40,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852657287]
[2021-10-28 22:55:40,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:55:40,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:40,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:55:40,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:55:40,779 INFO L87 Difference]: Start difference. First operand 3572 states and 4467 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:42,367 INFO L93 Difference]: Finished difference Result 11413 states and 14584 transitions.
[2021-10-28 22:55:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:55:42,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282
[2021-10-28 22:55:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:42,411 INFO L225 Difference]: With dead ends: 11413
[2021-10-28 22:55:42,412 INFO L226 Difference]: Without dead ends: 8027
[2021-10-28 22:55:42,417 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:55:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8027 states.
[2021-10-28 22:55:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8027 to 8025.
[2021-10-28 22:55:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8025 states, 8024 states have (on average 1.2534895314057826) internal successors, (10058), 8024 states have internal predecessors, (10058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8025 states to 8025 states and 10058 transitions.
[2021-10-28 22:55:42,627 INFO L78 Accepts]: Start accepts. Automaton has 8025 states and 10058 transitions. Word has length 282
[2021-10-28 22:55:42,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:42,628 INFO L470 AbstractCegarLoop]: Abstraction has 8025 states and 10058 transitions.
[2021-10-28 22:55:42,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8025 states and 10058 transitions.
[2021-10-28 22:55:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2021-10-28 22:55:42,638 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:42,638 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:42,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-28 22:55:42,639 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:42,639 INFO L85 PathProgramCache]: Analyzing trace with hash 81123789, now seen corresponding path program 1 times
[2021-10-28 22:55:42,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:42,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009614223]
[2021-10-28 22:55:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:42,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2021-10-28 22:55:42,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:42,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009614223]
[2021-10-28 22:55:42,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009614223] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:42,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:42,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:42,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411424709]
[2021-10-28 22:55:42,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:42,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:42,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:42,811 INFO L87 Difference]: Start difference. First operand 8025 states and 10058 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:43,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:43,832 INFO L93 Difference]: Finished difference Result 18085 states and 22879 transitions.
[2021-10-28 22:55:43,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:43,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 291
[2021-10-28 22:55:43,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:43,887 INFO L225 Difference]: With dead ends: 18085
[2021-10-28 22:55:43,887 INFO L226 Difference]: Without dead ends: 10246
[2021-10-28 22:55:43,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:43,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10246 states.
[2021-10-28 22:55:44,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10246 to 10232.
[2021-10-28 22:55:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10232 states, 10231 states have (on average 1.221385983774802) internal successors, (12496), 10231 states have internal predecessors, (12496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10232 states to 10232 states and 12496 transitions.
[2021-10-28 22:55:44,200 INFO L78 Accepts]: Start accepts. Automaton has 10232 states and 12496 transitions. Word has length 291
[2021-10-28 22:55:44,200 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:44,201 INFO L470 AbstractCegarLoop]: Abstraction has 10232 states and 12496 transitions.
[2021-10-28 22:55:44,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 10232 states and 12496 transitions.
[2021-10-28 22:55:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2021-10-28 22:55:44,215 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:44,216 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:44,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-28 22:55:44,216 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:44,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:44,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1228370302, now seen corresponding path program 1 times
[2021-10-28 22:55:44,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:44,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026105172]
[2021-10-28 22:55:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:44,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 173 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:44,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:44,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026105172]
[2021-10-28 22:55:44,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026105172] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:55:44,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922909282]
[2021-10-28 22:55:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:44,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:55:44,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:55:44,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:55:44,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-10-28 22:55:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:44,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-10-28 22:55:44,770 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:55:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 173 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:47,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922909282] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:55:47,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 22:55:47,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6
[2021-10-28 22:55:47,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022730304]
[2021-10-28 22:55:47,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-28 22:55:47,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:47,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-28 22:55:47,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-28 22:55:47,815 INFO L87 Difference]: Start difference. First operand 10232 states and 12496 transitions. Second operand has 7 states, 7 states have (on average 73.0) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:50,249 INFO L93 Difference]: Finished difference Result 23032 states and 28340 transitions.
[2021-10-28 22:55:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-10-28 22:55:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 73.0) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329
[2021-10-28 22:55:50,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:50,286 INFO L225 Difference]: With dead ends: 23032
[2021-10-28 22:55:50,287 INFO L226 Difference]: Without dead ends: 13539
[2021-10-28 22:55:50,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2021-10-28 22:55:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states.
[2021-10-28 22:55:50,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 10943.
[2021-10-28 22:55:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10943 states, 10942 states have (on average 1.1883567903491135) internal successors, (13003), 10942 states have internal predecessors, (13003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10943 states to 10943 states and 13003 transitions.
[2021-10-28 22:55:50,561 INFO L78 Accepts]: Start accepts. Automaton has 10943 states and 13003 transitions. Word has length 329
[2021-10-28 22:55:50,561 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:50,562 INFO L470 AbstractCegarLoop]: Abstraction has 10943 states and 13003 transitions.
[2021-10-28 22:55:50,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.0) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand 10943 states and 13003 transitions.
[2021-10-28 22:55:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350
[2021-10-28 22:55:50,580 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:50,580 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:50,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-10-28 22:55:50,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2021-10-28 22:55:50,805 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:50,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:50,806 INFO L85 PathProgramCache]: Analyzing trace with hash -333660676, now seen corresponding path program 1 times
[2021-10-28 22:55:50,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:50,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708205787]
[2021-10-28 22:55:50,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:50,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2021-10-28 22:55:50,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:50,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708205787]
[2021-10-28 22:55:50,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708205787] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:50,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:50,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:50,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142743289]
[2021-10-28 22:55:50,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:50,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:50,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:50,988 INFO L87 Difference]: Start difference. First operand 10943 states and 13003 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:51,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:51,964 INFO L93 Difference]: Finished difference Result 27057 states and 32311 transitions.
[2021-10-28 22:55:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:51,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349
[2021-10-28 22:55:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:52,001 INFO L225 Difference]: With dead ends: 27057
[2021-10-28 22:55:52,001 INFO L226 Difference]: Without dead ends: 16852
[2021-10-28 22:55:52,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16852 states.
[2021-10-28 22:55:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16852 to 16848.
[2021-10-28 22:55:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16848 states, 16847 states have (on average 1.167388852614709) internal successors, (19667), 16847 states have internal predecessors, (19667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16848 states to 16848 states and 19667 transitions.
[2021-10-28 22:55:52,335 INFO L78 Accepts]: Start accepts. Automaton has 16848 states and 19667 transitions. Word has length 349
[2021-10-28 22:55:52,335 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:52,335 INFO L470 AbstractCegarLoop]: Abstraction has 16848 states and 19667 transitions.
[2021-10-28 22:55:52,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 16848 states and 19667 transitions.
[2021-10-28 22:55:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358
[2021-10-28 22:55:52,357 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:52,357 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:52,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-28 22:55:52,358 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash 413217873, now seen corresponding path program 1 times
[2021-10-28 22:55:52,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:52,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750841597]
[2021-10-28 22:55:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:52,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:55:52,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:52,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750841597]
[2021-10-28 22:55:52,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750841597] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:52,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:52,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:52,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259886042]
[2021-10-28 22:55:52,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:55:52,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:52,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:52,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:52,546 INFO L87 Difference]: Start difference. First operand 16848 states and 19667 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:53,710 INFO L93 Difference]: Finished difference Result 35910 states and 41957 transitions.
[2021-10-28 22:55:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:53,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 357
[2021-10-28 22:55:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:53,759 INFO L225 Difference]: With dead ends: 35910
[2021-10-28 22:55:53,759 INFO L226 Difference]: Without dead ends: 20168
[2021-10-28 22:55:53,774 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20168 states.
[2021-10-28 22:55:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20168 to 20160.
[2021-10-28 22:55:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20160 states, 20159 states have (on average 1.155960117069299) internal successors, (23303), 20159 states have internal predecessors, (23303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20160 states to 20160 states and 23303 transitions.
[2021-10-28 22:55:54,283 INFO L78 Accepts]: Start accepts. Automaton has 20160 states and 23303 transitions. Word has length 357
[2021-10-28 22:55:54,284 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:54,284 INFO L470 AbstractCegarLoop]: Abstraction has 20160 states and 23303 transitions.
[2021-10-28 22:55:54,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 20160 states and 23303 transitions.
[2021-10-28 22:55:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360
[2021-10-28 22:55:54,303 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:54,304 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:54,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-28 22:55:54,304 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1498658965, now seen corresponding path program 1 times
[2021-10-28 22:55:54,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:54,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607918757]
[2021-10-28 22:55:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:54,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.
[2021-10-28 22:55:54,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:54,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607918757]
[2021-10-28 22:55:54,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607918757] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:54,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:54,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:54,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036155540]
[2021-10-28 22:55:54,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:55:54,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:54,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:55:54,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:55:54,515 INFO L87 Difference]: Start difference. First operand 20160 states and 23303 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:56,055 INFO L93 Difference]: Finished difference Result 44218 states and 51655 transitions.
[2021-10-28 22:55:56,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:55:56,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 359
[2021-10-28 22:55:56,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:55:56,101 INFO L225 Difference]: With dead ends: 44218
[2021-10-28 22:55:56,101 INFO L226 Difference]: Without dead ends: 26086
[2021-10-28 22:55:56,117 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:55:56,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26086 states.
[2021-10-28 22:55:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26086 to 22201.
[2021-10-28 22:55:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22201 states, 22200 states have (on average 1.1554054054054055) internal successors, (25650), 22200 states have internal predecessors, (25650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22201 states to 22201 states and 25650 transitions.
[2021-10-28 22:55:56,693 INFO L78 Accepts]: Start accepts. Automaton has 22201 states and 25650 transitions. Word has length 359
[2021-10-28 22:55:56,694 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:55:56,694 INFO L470 AbstractCegarLoop]: Abstraction has 22201 states and 25650 transitions.
[2021-10-28 22:55:56,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:55:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22201 states and 25650 transitions.
[2021-10-28 22:55:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361
[2021-10-28 22:55:56,711 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:55:56,712 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:56,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-28 22:55:56,712 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:55:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1694407671, now seen corresponding path program 1 times
[2021-10-28 22:55:56,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035146553]
[2021-10-28 22:55:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked.
[2021-10-28 22:55:56,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:56,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035146553]
[2021-10-28 22:55:56,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035146553] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:55:56,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437683081]
[2021-10-28 22:55:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:55:56,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:55:56,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:55:57,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-28 22:55:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:57,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-28 22:55:57,561 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:55:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked.
[2021-10-28 22:55:59,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437683081] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:55:59,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 22:55:59,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-10-28 22:55:59,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346599701]
[2021-10-28 22:55:59,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:55:59,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:59,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:55:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:55:59,317 INFO L87 Difference]: Start difference. First operand 22201 states and 25650 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:00,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:00,690 INFO L93 Difference]: Finished difference Result 47901 states and 55214 transitions.
[2021-10-28 22:56:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 360
[2021-10-28 22:56:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:00,735 INFO L225 Difference]: With dead ends: 47901
[2021-10-28 22:56:00,735 INFO L226 Difference]: Without dead ends: 27728
[2021-10-28 22:56:00,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:00,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27728 states.
[2021-10-28 22:56:01,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27728 to 22017.
[2021-10-28 22:56:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22017 states, 22016 states have (on average 1.1539335029069768) internal successors, (25405), 22016 states have internal predecessors, (25405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22017 states to 22017 states and 25405 transitions.
[2021-10-28 22:56:01,184 INFO L78 Accepts]: Start accepts. Automaton has 22017 states and 25405 transitions. Word has length 360
[2021-10-28 22:56:01,184 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:01,185 INFO L470 AbstractCegarLoop]: Abstraction has 22017 states and 25405 transitions.
[2021-10-28 22:56:01,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 22017 states and 25405 transitions.
[2021-10-28 22:56:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431
[2021-10-28 22:56:01,205 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:01,206 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:01,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-28 22:56:01,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2021-10-28 22:56:01,433 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1780645049, now seen corresponding path program 1 times
[2021-10-28 22:56:01,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:01,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637989190]
[2021-10-28 22:56:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:01,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2021-10-28 22:56:01,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:01,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637989190]
[2021-10-28 22:56:01,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637989190] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:01,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:01,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:01,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646591010]
[2021-10-28 22:56:01,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:01,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:01,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:01,628 INFO L87 Difference]: Start difference. First operand 22017 states and 25405 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:02,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:02,559 INFO L93 Difference]: Finished difference Result 43670 states and 50426 transitions.
[2021-10-28 22:56:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:02,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 430
[2021-10-28 22:56:02,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:02,588 INFO L225 Difference]: With dead ends: 43670
[2021-10-28 22:56:02,588 INFO L226 Difference]: Without dead ends: 23681
[2021-10-28 22:56:02,603 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23681 states.
[2021-10-28 22:56:03,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23681 to 22203.
[2021-10-28 22:56:03,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22203 states, 22202 states have (on average 1.153724889649581) internal successors, (25615), 22202 states have internal predecessors, (25615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22203 states to 22203 states and 25615 transitions.
[2021-10-28 22:56:03,129 INFO L78 Accepts]: Start accepts. Automaton has 22203 states and 25615 transitions. Word has length 430
[2021-10-28 22:56:03,133 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:03,133 INFO L470 AbstractCegarLoop]: Abstraction has 22203 states and 25615 transitions.
[2021-10-28 22:56:03,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 22203 states and 25615 transitions.
[2021-10-28 22:56:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434
[2021-10-28 22:56:03,160 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:03,160 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:03,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-10-28 22:56:03,161 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash 767467316, now seen corresponding path program 1 times
[2021-10-28 22:56:03,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:03,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102203077]
[2021-10-28 22:56:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:03,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2021-10-28 22:56:03,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102203077]
[2021-10-28 22:56:03,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102203077] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:03,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:03,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:03,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145131474]
[2021-10-28 22:56:03,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:03,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:03,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:03,323 INFO L87 Difference]: Start difference. First operand 22203 states and 25615 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:04,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:04,347 INFO L93 Difference]: Finished difference Result 41286 states and 47755 transitions.
[2021-10-28 22:56:04,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:04,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 433
[2021-10-28 22:56:04,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:04,368 INFO L225 Difference]: With dead ends: 41286
[2021-10-28 22:56:04,368 INFO L226 Difference]: Without dead ends: 21111
[2021-10-28 22:56:04,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21111 states.
[2021-10-28 22:56:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21111 to 21093.
[2021-10-28 22:56:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21093 states, 21092 states have (on average 1.126730513938934) internal successors, (23765), 21092 states have internal predecessors, (23765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21093 states to 21093 states and 23765 transitions.
[2021-10-28 22:56:04,733 INFO L78 Accepts]: Start accepts. Automaton has 21093 states and 23765 transitions. Word has length 433
[2021-10-28 22:56:04,733 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:04,734 INFO L470 AbstractCegarLoop]: Abstraction has 21093 states and 23765 transitions.
[2021-10-28 22:56:04,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 21093 states and 23765 transitions.
[2021-10-28 22:56:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438
[2021-10-28 22:56:04,745 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:04,746 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:04,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-10-28 22:56:04,747 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:04,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:04,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1966731224, now seen corresponding path program 1 times
[2021-10-28 22:56:04,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:04,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532858912]
[2021-10-28 22:56:04,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:04,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked.
[2021-10-28 22:56:05,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:05,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532858912]
[2021-10-28 22:56:05,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532858912] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:05,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:05,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:56:05,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225947475]
[2021-10-28 22:56:05,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:05,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:05,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:05,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:05,058 INFO L87 Difference]: Start difference. First operand 21093 states and 23765 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:05,501 INFO L93 Difference]: Finished difference Result 39407 states and 44451 transitions.
[2021-10-28 22:56:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:05,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 437
[2021-10-28 22:56:05,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:05,517 INFO L225 Difference]: With dead ends: 39407
[2021-10-28 22:56:05,517 INFO L226 Difference]: Without dead ends: 20342
[2021-10-28 22:56:05,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:05,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20342 states.
[2021-10-28 22:56:05,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20342 to 20333.
[2021-10-28 22:56:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20333 states, 20332 states have (on average 1.12492622467047) internal successors, (22872), 20332 states have internal predecessors, (22872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20333 states to 20333 states and 22872 transitions.
[2021-10-28 22:56:05,822 INFO L78 Accepts]: Start accepts. Automaton has 20333 states and 22872 transitions. Word has length 437
[2021-10-28 22:56:05,822 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:05,822 INFO L470 AbstractCegarLoop]: Abstraction has 20333 states and 22872 transitions.
[2021-10-28 22:56:05,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 20333 states and 22872 transitions.
[2021-10-28 22:56:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454
[2021-10-28 22:56:05,836 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:05,837 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:05,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-10-28 22:56:05,837 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:05,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 753967230, now seen corresponding path program 1 times
[2021-10-28 22:56:05,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:05,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874305510]
[2021-10-28 22:56:05,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:05,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2021-10-28 22:56:06,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:06,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874305510]
[2021-10-28 22:56:06,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874305510] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:06,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:06,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:06,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184714603]
[2021-10-28 22:56:06,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:06,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:06,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:06,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:06,064 INFO L87 Difference]: Start difference. First operand 20333 states and 22872 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:06,966 INFO L93 Difference]: Finished difference Result 35298 states and 39545 transitions.
[2021-10-28 22:56:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:06,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 453
[2021-10-28 22:56:06,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:06,979 INFO L225 Difference]: With dead ends: 35298
[2021-10-28 22:56:06,979 INFO L226 Difference]: Without dead ends: 16807
[2021-10-28 22:56:06,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:06,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16807 states.
[2021-10-28 22:56:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16807 to 16807.
[2021-10-28 22:56:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16807 states, 16806 states have (on average 1.1066880875877663) internal successors, (18599), 16806 states have internal predecessors, (18599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16807 states to 16807 states and 18599 transitions.
[2021-10-28 22:56:07,149 INFO L78 Accepts]: Start accepts. Automaton has 16807 states and 18599 transitions. Word has length 453
[2021-10-28 22:56:07,150 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:07,150 INFO L470 AbstractCegarLoop]: Abstraction has 16807 states and 18599 transitions.
[2021-10-28 22:56:07,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 16807 states and 18599 transitions.
[2021-10-28 22:56:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492
[2021-10-28 22:56:07,161 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:07,161 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:07,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-10-28 22:56:07,162 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:07,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1527728535, now seen corresponding path program 1 times
[2021-10-28 22:56:07,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:07,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891543733]
[2021-10-28 22:56:07,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:07,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2021-10-28 22:56:07,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:07,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891543733]
[2021-10-28 22:56:07,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891543733] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:07,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:07,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 22:56:07,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874046114]
[2021-10-28 22:56:07,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 22:56:07,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:07,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 22:56:07,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 22:56:07,527 INFO L87 Difference]: Start difference. First operand 16807 states and 18599 transitions. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:08,646 INFO L93 Difference]: Finished difference Result 32019 states and 35460 transitions.
[2021-10-28 22:56:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-28 22:56:08,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 491
[2021-10-28 22:56:08,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:08,664 INFO L225 Difference]: With dead ends: 32019
[2021-10-28 22:56:08,664 INFO L226 Difference]: Without dead ends: 17240
[2021-10-28 22:56:08,671 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-28 22:56:08,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17240 states.
[2021-10-28 22:56:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17240 to 16992.
[2021-10-28 22:56:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16992 states, 16991 states have (on average 1.1051733270555) internal successors, (18778), 16991 states have internal predecessors, (18778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16992 states to 16992 states and 18778 transitions.
[2021-10-28 22:56:08,923 INFO L78 Accepts]: Start accepts. Automaton has 16992 states and 18778 transitions. Word has length 491
[2021-10-28 22:56:08,923 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:08,923 INFO L470 AbstractCegarLoop]: Abstraction has 16992 states and 18778 transitions.
[2021-10-28 22:56:08,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 16992 states and 18778 transitions.
[2021-10-28 22:56:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514
[2021-10-28 22:56:08,941 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:08,942 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:08,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-10-28 22:56:08,942 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:08,943 INFO L85 PathProgramCache]: Analyzing trace with hash 762254319, now seen corresponding path program 1 times
[2021-10-28 22:56:08,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:08,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738005818]
[2021-10-28 22:56:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:08,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 685 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2021-10-28 22:56:09,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:09,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738005818]
[2021-10-28 22:56:09,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738005818] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:09,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:09,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:09,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475734658]
[2021-10-28 22:56:09,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:09,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:09,162 INFO L87 Difference]: Start difference. First operand 16992 states and 18778 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:10,064 INFO L93 Difference]: Finished difference Result 34534 states and 38184 transitions.
[2021-10-28 22:56:10,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:10,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 513
[2021-10-28 22:56:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:10,082 INFO L225 Difference]: With dead ends: 34534
[2021-10-28 22:56:10,082 INFO L226 Difference]: Without dead ends: 18648
[2021-10-28 22:56:10,089 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18648 states.
[2021-10-28 22:56:10,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18648 to 17728.
[2021-10-28 22:56:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17728 states, 17727 states have (on average 1.1028374795509674) internal successors, (19550), 17727 states have internal predecessors, (19550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17728 states to 17728 states and 19550 transitions.
[2021-10-28 22:56:10,318 INFO L78 Accepts]: Start accepts. Automaton has 17728 states and 19550 transitions. Word has length 513
[2021-10-28 22:56:10,318 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:10,318 INFO L470 AbstractCegarLoop]: Abstraction has 17728 states and 19550 transitions.
[2021-10-28 22:56:10,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 17728 states and 19550 transitions.
[2021-10-28 22:56:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546
[2021-10-28 22:56:10,340 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:10,341 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:10,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-10-28 22:56:10,341 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:10,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:10,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1316469261, now seen corresponding path program 1 times
[2021-10-28 22:56:10,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:10,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750270859]
[2021-10-28 22:56:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:10,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked.
[2021-10-28 22:56:10,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:10,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750270859]
[2021-10-28 22:56:10,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750270859] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:10,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:10,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:10,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740168503]
[2021-10-28 22:56:10,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:10,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:10,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:10,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:10,632 INFO L87 Difference]: Start difference. First operand 17728 states and 19550 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:11,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:11,622 INFO L93 Difference]: Finished difference Result 37114 states and 40944 transitions.
[2021-10-28 22:56:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:11,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 545
[2021-10-28 22:56:11,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:11,639 INFO L225 Difference]: With dead ends: 37114
[2021-10-28 22:56:11,639 INFO L226 Difference]: Without dead ends: 20492
[2021-10-28 22:56:11,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20492 states.
[2021-10-28 22:56:11,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20492 to 17912.
[2021-10-28 22:56:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17912 states, 17911 states have (on average 1.1021160180894423) internal successors, (19740), 17911 states have internal predecessors, (19740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17912 states to 17912 states and 19740 transitions.
[2021-10-28 22:56:11,846 INFO L78 Accepts]: Start accepts. Automaton has 17912 states and 19740 transitions. Word has length 545
[2021-10-28 22:56:11,846 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:11,846 INFO L470 AbstractCegarLoop]: Abstraction has 17912 states and 19740 transitions.
[2021-10-28 22:56:11,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17912 states and 19740 transitions.
[2021-10-28 22:56:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556
[2021-10-28 22:56:11,919 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:11,919 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:11,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-10-28 22:56:11,920 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash 50467656, now seen corresponding path program 1 times
[2021-10-28 22:56:11,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:11,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456396517]
[2021-10-28 22:56:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:11,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 653 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:12,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:12,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456396517]
[2021-10-28 22:56:12,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456396517] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:12,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:12,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-28 22:56:12,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942254298]
[2021-10-28 22:56:12,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-28 22:56:12,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-28 22:56:12,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-10-28 22:56:12,306 INFO L87 Difference]: Start difference. First operand 17912 states and 19740 transitions. Second operand has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 6 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:13,772 INFO L93 Difference]: Finished difference Result 36690 states and 40382 transitions.
[2021-10-28 22:56:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-10-28 22:56:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 6 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 555
[2021-10-28 22:56:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:13,794 INFO L225 Difference]: With dead ends: 36690
[2021-10-28 22:56:13,794 INFO L226 Difference]: Without dead ends: 21174
[2021-10-28 22:56:13,902 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2021-10-28 22:56:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21174 states.
[2021-10-28 22:56:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21174 to 18464.
[2021-10-28 22:56:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18464 states, 18463 states have (on average 1.1026377078481286) internal successors, (20358), 18463 states have internal predecessors, (20358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18464 states to 18464 states and 20358 transitions.
[2021-10-28 22:56:14,130 INFO L78 Accepts]: Start accepts. Automaton has 18464 states and 20358 transitions. Word has length 555
[2021-10-28 22:56:14,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:14,131 INFO L470 AbstractCegarLoop]: Abstraction has 18464 states and 20358 transitions.
[2021-10-28 22:56:14,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 6 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 18464 states and 20358 transitions.
[2021-10-28 22:56:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566
[2021-10-28 22:56:14,147 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:14,148 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:14,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-10-28 22:56:14,148 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash -304859615, now seen corresponding path program 1 times
[2021-10-28 22:56:14,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:14,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209901698]
[2021-10-28 22:56:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:14,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 665 proven. 8 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:14,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:14,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209901698]
[2021-10-28 22:56:14,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209901698] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:56:14,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382426810]
[2021-10-28 22:56:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:14,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:56:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:56:14,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:56:14,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-28 22:56:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:15,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-28 22:56:15,286 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:56:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 552 proven. 121 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:18,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382426810] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:56:18,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-28 22:56:18,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8
[2021-10-28 22:56:18,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148617603]
[2021-10-28 22:56:18,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-28 22:56:18,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:18,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-28 22:56:18,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2021-10-28 22:56:18,294 INFO L87 Difference]: Start difference. First operand 18464 states and 20358 transitions. Second operand has 9 states, 9 states have (on average 77.55555555555556) internal successors, (698), 8 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:21,426 INFO L93 Difference]: Finished difference Result 37978 states and 41796 transitions.
[2021-10-28 22:56:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2021-10-28 22:56:21,426 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 77.55555555555556) internal successors, (698), 8 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 565
[2021-10-28 22:56:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:21,443 INFO L225 Difference]: With dead ends: 37978
[2021-10-28 22:56:21,444 INFO L226 Difference]: Without dead ends: 21910
[2021-10-28 22:56:21,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600
[2021-10-28 22:56:21,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21910 states.
[2021-10-28 22:56:21,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21910 to 20674.
[2021-10-28 22:56:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20674 states, 20673 states have (on average 1.0989212983118077) internal successors, (22718), 20673 states have internal predecessors, (22718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20674 states to 20674 states and 22718 transitions.
[2021-10-28 22:56:21,683 INFO L78 Accepts]: Start accepts. Automaton has 20674 states and 22718 transitions. Word has length 565
[2021-10-28 22:56:21,683 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:21,683 INFO L470 AbstractCegarLoop]: Abstraction has 20674 states and 22718 transitions.
[2021-10-28 22:56:21,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 77.55555555555556) internal successors, (698), 8 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20674 states and 22718 transitions.
[2021-10-28 22:56:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571
[2021-10-28 22:56:21,696 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:21,696 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:21,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-28 22:56:21,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:56:21,897 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:21,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash 988145073, now seen corresponding path program 1 times
[2021-10-28 22:56:21,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:21,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727925339]
[2021-10-28 22:56:21,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:21,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 632 proven. 200 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2021-10-28 22:56:22,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:22,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727925339]
[2021-10-28 22:56:22,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727925339] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:56:22,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477350493]
[2021-10-28 22:56:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:22,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:56:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:56:22,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:56:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-28 22:56:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:23,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-28 22:56:23,269 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:56:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 679 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:25,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477350493] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:25,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 22:56:25,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2021-10-28 22:56:25,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199790153]
[2021-10-28 22:56:25,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:25,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:25,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:25,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 22:56:25,039 INFO L87 Difference]: Start difference. First operand 20674 states and 22718 transitions. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:25,703 INFO L93 Difference]: Finished difference Result 39146 states and 43067 transitions.
[2021-10-28 22:56:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:25,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 570
[2021-10-28 22:56:25,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:25,721 INFO L225 Difference]: With dead ends: 39146
[2021-10-28 22:56:25,721 INFO L226 Difference]: Without dead ends: 21052
[2021-10-28 22:56:25,730 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 22:56:25,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21052 states.
[2021-10-28 22:56:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21052 to 20862.
[2021-10-28 22:56:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20862 states, 20861 states have (on average 1.097742198360577) internal successors, (22900), 20861 states have internal predecessors, (22900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20862 states to 20862 states and 22900 transitions.
[2021-10-28 22:56:25,962 INFO L78 Accepts]: Start accepts. Automaton has 20862 states and 22900 transitions. Word has length 570
[2021-10-28 22:56:25,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:25,963 INFO L470 AbstractCegarLoop]: Abstraction has 20862 states and 22900 transitions.
[2021-10-28 22:56:25,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 20862 states and 22900 transitions.
[2021-10-28 22:56:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587
[2021-10-28 22:56:25,976 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:25,976 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:26,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-28 22:56:26,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2021-10-28 22:56:26,181 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:26,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1668440305, now seen corresponding path program 1 times
[2021-10-28 22:56:26,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:26,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362754315]
[2021-10-28 22:56:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:26,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:26,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:26,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362754315]
[2021-10-28 22:56:26,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362754315] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:26,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:26,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:26,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672496753]
[2021-10-28 22:56:26,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:26,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:26,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:26,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:26,402 INFO L87 Difference]: Start difference. First operand 20862 states and 22900 transitions. Second operand has 4 states, 4 states have (on average 108.75) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:27,495 INFO L93 Difference]: Finished difference Result 42464 states and 46657 transitions.
[2021-10-28 22:56:27,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:27,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.75) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 586
[2021-10-28 22:56:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:27,518 INFO L225 Difference]: With dead ends: 42464
[2021-10-28 22:56:27,518 INFO L226 Difference]: Without dead ends: 23998
[2021-10-28 22:56:27,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23998 states.
[2021-10-28 22:56:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23998 to 22150.
[2021-10-28 22:56:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22150 states, 22149 states have (on average 1.0966183574879227) internal successors, (24289), 22149 states have internal predecessors, (24289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22150 states to 22150 states and 24289 transitions.
[2021-10-28 22:56:27,860 INFO L78 Accepts]: Start accepts. Automaton has 22150 states and 24289 transitions. Word has length 586
[2021-10-28 22:56:27,861 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:27,861 INFO L470 AbstractCegarLoop]: Abstraction has 22150 states and 24289 transitions.
[2021-10-28 22:56:27,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.75) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22150 states and 24289 transitions.
[2021-10-28 22:56:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590
[2021-10-28 22:56:27,880 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:27,881 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:27,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-10-28 22:56:27,881 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:27,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash 864830933, now seen corresponding path program 1 times
[2021-10-28 22:56:27,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:27,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595669523]
[2021-10-28 22:56:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:27,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 679 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:28,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:28,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595669523]
[2021-10-28 22:56:28,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595669523] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:28,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:28,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:28,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820961124]
[2021-10-28 22:56:28,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:28,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:28,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:28,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:28,156 INFO L87 Difference]: Start difference. First operand 22150 states and 24289 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:29,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:29,485 INFO L93 Difference]: Finished difference Result 49272 states and 53979 transitions.
[2021-10-28 22:56:29,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:29,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 589
[2021-10-28 22:56:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:29,515 INFO L225 Difference]: With dead ends: 49272
[2021-10-28 22:56:29,515 INFO L226 Difference]: Without dead ends: 27492
[2021-10-28 22:56:29,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:29,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27492 states.
[2021-10-28 22:56:29,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27492 to 26933.
[2021-10-28 22:56:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26933 states, 26932 states have (on average 1.084769047972672) internal successors, (29215), 26932 states have internal predecessors, (29215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26933 states to 26933 states and 29215 transitions.
[2021-10-28 22:56:29,931 INFO L78 Accepts]: Start accepts. Automaton has 26933 states and 29215 transitions. Word has length 589
[2021-10-28 22:56:29,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:29,932 INFO L470 AbstractCegarLoop]: Abstraction has 26933 states and 29215 transitions.
[2021-10-28 22:56:29,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 26933 states and 29215 transitions.
[2021-10-28 22:56:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608
[2021-10-28 22:56:29,947 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:29,947 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:29,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-10-28 22:56:29,948 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash 132729374, now seen corresponding path program 1 times
[2021-10-28 22:56:29,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:29,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792145218]
[2021-10-28 22:56:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:29,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 1049 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2021-10-28 22:56:30,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:30,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792145218]
[2021-10-28 22:56:30,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792145218] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:30,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:30,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 22:56:30,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642722313]
[2021-10-28 22:56:30,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:30,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:30,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:30,177 INFO L87 Difference]: Start difference. First operand 26933 states and 29215 transitions. Second operand has 4 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:31,435 INFO L93 Difference]: Finished difference Result 55346 states and 60150 transitions.
[2021-10-28 22:56:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 607
[2021-10-28 22:56:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:31,461 INFO L225 Difference]: With dead ends: 55346
[2021-10-28 22:56:31,461 INFO L226 Difference]: Without dead ends: 30811
[2021-10-28 22:56:31,472 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30811 states.
[2021-10-28 22:56:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30811 to 29144.
[2021-10-28 22:56:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29144 states, 29143 states have (on average 1.0824211646021342) internal successors, (31545), 29143 states have internal predecessors, (31545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29144 states to 29144 states and 31545 transitions.
[2021-10-28 22:56:31,859 INFO L78 Accepts]: Start accepts. Automaton has 29144 states and 31545 transitions. Word has length 607
[2021-10-28 22:56:31,859 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:31,859 INFO L470 AbstractCegarLoop]: Abstraction has 29144 states and 31545 transitions.
[2021-10-28 22:56:31,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29144 states and 31545 transitions.
[2021-10-28 22:56:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682
[2021-10-28 22:56:31,882 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:31,883 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:31,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-10-28 22:56:31,883 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:31,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:31,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1889954898, now seen corresponding path program 1 times
[2021-10-28 22:56:31,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:31,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544407947]
[2021-10-28 22:56:31,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:31,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1375 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked.
[2021-10-28 22:56:32,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:32,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544407947]
[2021-10-28 22:56:32,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544407947] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:32,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:32,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 22:56:32,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010831410]
[2021-10-28 22:56:32,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:32,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:32,215 INFO L87 Difference]: Start difference. First operand 29144 states and 31545 transitions. Second operand has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:33,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:33,754 INFO L93 Difference]: Finished difference Result 67323 states and 72893 transitions.
[2021-10-28 22:56:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:33,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 681
[2021-10-28 22:56:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:33,808 INFO L225 Difference]: With dead ends: 67323
[2021-10-28 22:56:33,808 INFO L226 Difference]: Without dead ends: 40761
[2021-10-28 22:56:33,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:33,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40761 states.
[2021-10-28 22:56:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40761 to 35782.
[2021-10-28 22:56:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35782 states, 35781 states have (on average 1.0804896453425001) internal successors, (38661), 35781 states have internal predecessors, (38661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35782 states to 35782 states and 38661 transitions.
[2021-10-28 22:56:34,453 INFO L78 Accepts]: Start accepts. Automaton has 35782 states and 38661 transitions. Word has length 681
[2021-10-28 22:56:34,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:34,454 INFO L470 AbstractCegarLoop]: Abstraction has 35782 states and 38661 transitions.
[2021-10-28 22:56:34,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 35782 states and 38661 transitions.
[2021-10-28 22:56:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901
[2021-10-28 22:56:34,493 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:34,494 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:34,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-10-28 22:56:34,494 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:34,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash 63411677, now seen corresponding path program 1 times
[2021-10-28 22:56:34,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:34,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216498062]
[2021-10-28 22:56:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:34,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2426 backedges. 1438 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked.
[2021-10-28 22:56:34,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:34,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216498062]
[2021-10-28 22:56:34,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216498062] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:34,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:34,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:34,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414160022]
[2021-10-28 22:56:34,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:34,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:34,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:34,862 INFO L87 Difference]: Start difference. First operand 35782 states and 38661 transitions. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:35,855 INFO L93 Difference]: Finished difference Result 70477 states and 76233 transitions.
[2021-10-28 22:56:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:35,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 900
[2021-10-28 22:56:35,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:35,890 INFO L225 Difference]: With dead ends: 70477
[2021-10-28 22:56:35,890 INFO L226 Difference]: Without dead ends: 37093
[2021-10-28 22:56:35,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37093 states.
[2021-10-28 22:56:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37093 to 30630.
[2021-10-28 22:56:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30630 states, 30629 states have (on average 1.0744392569133827) internal successors, (32909), 30629 states have internal predecessors, (32909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30630 states to 30630 states and 32909 transitions.
[2021-10-28 22:56:36,448 INFO L78 Accepts]: Start accepts. Automaton has 30630 states and 32909 transitions. Word has length 900
[2021-10-28 22:56:36,449 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:36,449 INFO L470 AbstractCegarLoop]: Abstraction has 30630 states and 32909 transitions.
[2021-10-28 22:56:36,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30630 states and 32909 transitions.
[2021-10-28 22:56:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924
[2021-10-28 22:56:36,481 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:36,482 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:36,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-10-28 22:56:36,482 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:36,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1056427581, now seen corresponding path program 1 times
[2021-10-28 22:56:36,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:36,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611881659]
[2021-10-28 22:56:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:36,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2513 backedges. 1997 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked.
[2021-10-28 22:56:36,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:36,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611881659]
[2021-10-28 22:56:36,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611881659] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:36,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:36,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 22:56:36,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573011293]
[2021-10-28 22:56:36,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:36,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:36,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:36,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:36,891 INFO L87 Difference]: Start difference. First operand 30630 states and 32909 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:38,354 INFO L93 Difference]: Finished difference Result 64218 states and 68986 transitions.
[2021-10-28 22:56:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:38,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 923
[2021-10-28 22:56:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:38,388 INFO L225 Difference]: With dead ends: 64218
[2021-10-28 22:56:38,388 INFO L226 Difference]: Without dead ends: 34698
[2021-10-28 22:56:38,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 22:56:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34698 states.
[2021-10-28 22:56:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34698 to 24360.
[2021-10-28 22:56:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24360 states, 24359 states have (on average 1.075208341885956) internal successors, (26191), 24359 states have internal predecessors, (26191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24360 states to 24360 states and 26191 transitions.
[2021-10-28 22:56:38,941 INFO L78 Accepts]: Start accepts. Automaton has 24360 states and 26191 transitions. Word has length 923
[2021-10-28 22:56:38,941 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:38,941 INFO L470 AbstractCegarLoop]: Abstraction has 24360 states and 26191 transitions.
[2021-10-28 22:56:38,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 24360 states and 26191 transitions.
[2021-10-28 22:56:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281
[2021-10-28 22:56:38,960 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:38,961 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:38,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-10-28 22:56:38,961 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 22:56:38,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:38,962 INFO L85 PathProgramCache]: Analyzing trace with hash 786284418, now seen corresponding path program 1 times
[2021-10-28 22:56:38,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:38,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571921046]
[2021-10-28 22:56:38,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:38,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5278 backedges. 3284 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked.
[2021-10-28 22:56:39,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:39,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571921046]
[2021-10-28 22:56:39,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571921046] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:39,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:39,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:56:39,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056403163]
[2021-10-28 22:56:39,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:39,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:39,480 INFO L87 Difference]: Start difference. First operand 24360 states and 26191 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:40,057 INFO L93 Difference]: Finished difference Result 36905 states and 39567 transitions.
[2021-10-28 22:56:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:40,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1280
[2021-10-28 22:56:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:40,058 INFO L225 Difference]: With dead ends: 36905
[2021-10-28 22:56:40,058 INFO L226 Difference]: Without dead ends: 0
[2021-10-28 22:56:40,067 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:40,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-28 22:56:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-28 22:56:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-28 22:56:40,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1280
[2021-10-28 22:56:40,068 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:40,068 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 22:56:40,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:56:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-28 22:56:40,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-28 22:56:40,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 22:56:40,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2021-10-28 22:56:40,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-28 22:56:40,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 22:56:44,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 22:56:47,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 22:56:53,012 WARN L207 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 726 DAG size of output: 110
[2021-10-28 22:56:57,877 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,878 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,879 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,879 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed.
[2021-10-28 22:56:57,879 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed.
[2021-10-28 22:56:57,879 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed.
[2021-10-28 22:56:57,879 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,880 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,880 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,881 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,882 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,883 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse11 (<= (+ ~a23~0 55) 0)) (.cse10 (<= ~a23~0 312)) (.cse8 (<= (+ ~a23~0 304) 0)) (.cse3 (<= ~a29~0 220)) (.cse7 (= ~a25~0 11)) (.cse17 (<= (+ ~a23~0 43) 0)) (.cse6 (= ~a4~0 0)) (.cse13 (<= (+ 28470 ~a29~0) 0)) (.cse19 (= ~a25~0 9)) (.cse18 (<= ~a29~0 277)) (.cse12 (= ~a25~0 12)) (.cse20 (<= ~a29~0 275)) (.cse1 (< 140 ~a29~0)) (.cse9 (<= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse14 (<= 160 ~a23~0)) (.cse15 (<= ~a23~0 600000)) (.cse2 (= ~a3~0 1)) (.cse4 (= ~a4~0 1)) (.cse5 (= ~a8~0 15)) (.cse16 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse5) (and .cse9 .cse2 .cse4 .cse10 .cse5) (and .cse11 .cse12 .cse6 .cse13 .cse2 .cse5) (and .cse12 .cse2 .cse4 .cse10 .cse5 .cse14) (and .cse0 .cse11 .cse1 (<= ~a29~0 245) .cse2 .cse4 .cse5) (and .cse15 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse1 (<= ~a29~0 240) .cse2 .cse4 .cse10 .cse5) (and .cse6 .cse8 .cse2 .cse3 .cse5 .cse16) (and (<= 260 ~a29~0) .cse17 (or .cse18 (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse6 .cse19 .cse2 .cse5) (and .cse1 .cse7 (<= ~a29~0 274) (<= (+ 119992 ~a23~0) 0) .cse4 .cse5) (and .cse15 .cse1 .cse7 .cse2 .cse4 .cse5) (and .cse20 .cse12 .cse1 .cse6 .cse2 .cse5) (and .cse17 .cse6 .cse13 .cse19 .cse2 .cse5) (and .cse15 (or (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse18) .cse12 .cse1 .cse2 (< 306 ~a23~0) .cse4 .cse5) (and .cse20 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse15 .cse2 .cse4 .cse5 .cse14) (and .cse15 .cse2 .cse4 .cse5 .cse16)))
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,884 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,885 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,886 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed.
[2021-10-28 22:56:57,887 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed.
[2021-10-28 22:56:57,888 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed.
[2021-10-28 22:56:57,888 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,889 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse11 (<= (+ ~a23~0 55) 0)) (.cse10 (<= ~a23~0 312)) (.cse8 (<= (+ ~a23~0 304) 0)) (.cse3 (<= ~a29~0 220)) (.cse7 (= ~a25~0 11)) (.cse17 (<= (+ ~a23~0 43) 0)) (.cse6 (= ~a4~0 0)) (.cse13 (<= (+ 28470 ~a29~0) 0)) (.cse19 (= ~a25~0 9)) (.cse18 (<= ~a29~0 277)) (.cse12 (= ~a25~0 12)) (.cse20 (<= ~a29~0 275)) (.cse1 (< 140 ~a29~0)) (.cse9 (<= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse14 (<= 160 ~a23~0)) (.cse15 (<= ~a23~0 600000)) (.cse2 (= ~a3~0 1)) (.cse4 (= ~a4~0 1)) (.cse5 (= ~a8~0 15)) (.cse16 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse5) (and .cse9 .cse2 .cse4 .cse10 .cse5) (and .cse11 .cse12 .cse6 .cse13 .cse2 .cse5) (and .cse12 .cse2 .cse4 .cse10 .cse5 .cse14) (and .cse0 .cse11 .cse1 (<= ~a29~0 245) .cse2 .cse4 .cse5) (and .cse15 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse1 (<= ~a29~0 240) .cse2 .cse4 .cse10 .cse5) (and .cse6 .cse8 .cse2 .cse3 .cse5 .cse16) (and (<= 260 ~a29~0) .cse17 (or .cse18 (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse6 .cse19 .cse2 .cse5) (and .cse1 .cse7 (<= ~a29~0 274) (<= (+ 119992 ~a23~0) 0) .cse4 .cse5) (and .cse15 .cse1 .cse7 .cse2 .cse4 .cse5) (and .cse20 .cse12 .cse1 .cse6 .cse2 .cse5) (and .cse17 .cse6 .cse13 .cse19 .cse2 .cse5) (and .cse15 (or (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse18) .cse12 .cse1 .cse2 (< 306 ~a23~0) .cse4 .cse5) (and .cse20 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse15 .cse2 .cse4 .cse5 .cse14) (and .cse15 .cse2 .cse4 .cse5 .cse16)))
[2021-10-28 22:56:57,889 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,889 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,889 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,889 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed.
[2021-10-28 22:56:57,890 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,891 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,892 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed.
[2021-10-28 22:56:57,893 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed.
[2021-10-28 22:56:57,894 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed.
[2021-10-28 22:56:57,895 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,896 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed.
[2021-10-28 22:56:57,897 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,898 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed.
[2021-10-28 22:56:57,899 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,900 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,901 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,902 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,903 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,904 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,905 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,906 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,907 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed.
[2021-10-28 22:56:57,908 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed.
[2021-10-28 22:56:57,909 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed.
[2021-10-28 22:56:57,910 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:57,911 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed.
[2021-10-28 22:56:57,912 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,913 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,914 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,914 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,914 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,915 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed.
[2021-10-28 22:56:57,915 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,916 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,917 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,918 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,918 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,919 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,919 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,920 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed.
[2021-10-28 22:56:57,920 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed.
[2021-10-28 22:56:57,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:57,920 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,920 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,921 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,921 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,921 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,922 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,923 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed.
[2021-10-28 22:56:57,924 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed.
[2021-10-28 22:56:57,924 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed.
[2021-10-28 22:56:57,924 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed.
[2021-10-28 22:56:57,930 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:57,931 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 22:56:57,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:56:57 BoogieIcfgContainer
[2021-10-28 22:56:57,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 22:56:57,994 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:56:57,994 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:56:57,994 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:56:57,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:31" (3/4) ...
[2021-10-28 22:56:57,997 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-28 22:56:58,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-28 22:56:58,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-28 22:56:58,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 22:56:58,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 22:56:58,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:56:58,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:56:58,189 INFO L168 Benchmark]: Toolchain (without parser) took 89710.08 ms. Allocated memory was 83.9 MB in the beginning and 6.0 GB in the end (delta: 6.0 GB). Free memory was 45.4 MB in the beginning and 3.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.0 GB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,189 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.17 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 45.1 MB in the beginning and 48.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.50 ms. Allocated memory is still 107.0 MB. Free memory was 48.9 MB in the beginning and 66.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,190 INFO L168 Benchmark]: Boogie Preprocessor took 109.28 ms. Allocated memory is still 107.0 MB. Free memory was 66.6 MB in the beginning and 56.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,191 INFO L168 Benchmark]: RCFGBuilder took 1759.25 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 56.8 MB in the beginning and 92.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,191 INFO L168 Benchmark]: TraceAbstraction took 86597.78 ms. Allocated memory was 144.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 92.4 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 4.2 GB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,191 INFO L168 Benchmark]: Witness Printer took 194.34 ms. Allocated memory is still 6.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 24.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:58,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 859.17 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 45.1 MB in the beginning and 48.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 173.50 ms. Allocated memory is still 107.0 MB. Free memory was 48.9 MB in the beginning and 66.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 109.28 ms. Allocated memory is still 107.0 MB. Free memory was 66.6 MB in the beginning and 56.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1759.25 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 56.8 MB in the beginning and 92.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 86597.78 ms. Allocated memory was 144.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 92.4 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 4.2 GB. Max. memory is 16.1 GB.
* Witness Printer took 194.34 ms. Allocated memory is still 6.0 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 24.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 181]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.4s, OverallIterations: 30, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 37.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4650 SDtfs, 6101 SDslu, 914 SDs, 0 SdLazy, 25623 SolverSat, 4253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2190 GetRequests, 2104 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35782occurred in iteration=27, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.4s AutomataMinimizationTime, 30 MinimizatonAttempts, 47674 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 169 NumberOfFragments, 761 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2084710 FormulaSimplificationTreeSizeReduction, 7.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 869935 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 15917 NumberOfCodeBlocks, 15917 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 15882 ConstructedInterpolants, 0 QuantifiedInterpolants, 52977 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2816 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 25787/26426 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 1044]: Loop Invariant
Derived loop invariant: (((((((((((((((((((((a25 == 13 && 140 < a29) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15) || (((((a4 == 0 && a25 == 11) && a23 + 304 <= 0) && a3 == 1) && a29 <= 220) && a8 == 15)) || ((((a25 <= 10 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && 28470 + a29 <= 0) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 160 <= a23)) || ((((((a25 == 13 && a23 + 55 <= 0) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && 140 < a29) && a29 <= 240) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a4 == 0 && a23 + 304 <= 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((260 <= a29 && a23 + 43 <= 0) && (a29 <= 277 || !(2 == input))) && a4 == 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((140 < a29 && a25 == 11) && a29 <= 274) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 140 < a29) && a4 == 0) && a3 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a4 == 0) && 28470 + a29 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((((a23 <= 600000 && (!(6 == input) || a29 <= 277)) && a25 == 12) && 140 < a29) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a23 <= 600000) && a3 == 1) && a4 == 1) && a8 == 15) && 160 <= a23)) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)
- InvariantResult [Line: 32]: Loop Invariant
Derived loop invariant: (((((((((((((((((((((a25 == 13 && 140 < a29) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15) || (((((a4 == 0 && a25 == 11) && a23 + 304 <= 0) && a3 == 1) && a29 <= 220) && a8 == 15)) || ((((a25 <= 10 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && 28470 + a29 <= 0) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 160 <= a23)) || ((((((a25 == 13 && a23 + 55 <= 0) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && 140 < a29) && a29 <= 240) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((a4 == 0 && a23 + 304 <= 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((260 <= a29 && a23 + 43 <= 0) && (a29 <= 277 || !(2 == input))) && a4 == 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((140 < a29 && a25 == 11) && a29 <= 274) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 140 < a29) && a4 == 0) && a3 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a4 == 0) && 28470 + a29 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((((a23 <= 600000 && (!(6 == input) || a29 <= 277)) && a25 == 12) && 140 < a29) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a23 <= 600000) && a3 == 1) && a4 == 1) && a8 == 15) && 160 <= a23)) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)
- InvariantResult [Line: 1038]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2021-10-28 22:56:58,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e05e03-5137-45f0-9e80-2582b64a2e54/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...