./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC --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 90b0cdc2fc90434e0a4f6271fb161422e9b25aee
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:32:52,589 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:32:52,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:32:52,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:32:52,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:32:52,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:32:52,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:32:52,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:32:52,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:32:52,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:32:52,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:32:52,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:32:52,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:32:52,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:32:52,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:32:52,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:32:52,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:32:52,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:32:52,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:32:52,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:32:52,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:32:52,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:32:52,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:32:52,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:32:52,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:32:52,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:32:52,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:32:52,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:32:52,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:32:52,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:32:52,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:32:52,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:32:52,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:32:52,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:32:52,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:32:52,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:32:52,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:32:52,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:32:52,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:32:52,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:32:52,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:32:52,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:32:52,702 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:32:52,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:32:52,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:32:52,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:32:52,709 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:32:52,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:32:52,709 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:32:52,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:32:52,710 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:32:52,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:32:52,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:32:52,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:32:52,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:32:52,712 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:32:52,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:32:52,713 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:32:52,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:32:52,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:32:52,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:32:52,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:32:52,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:32:52,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:32:52,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:32:52,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:32:52,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:32:52,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:32:52,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:32:52,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:32:52,717 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_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90b0cdc2fc90434e0a4f6271fb161422e9b25aee
[2021-10-11 00:32:53,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:32:53,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:32:53,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:32:53,082 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:32:53,083 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:32:53,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c
[2021-10-11 00:32:53,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/data/752c36563/98188cd1007f4280a559e80c6a3ae9c1/FLAG14c0b7658
[2021-10-11 00:32:53,759 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:32:53,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/sv-benchmarks/c/eca-rers2012/Problem02_label04.c
[2021-10-11 00:32:53,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/data/752c36563/98188cd1007f4280a559e80c6a3ae9c1/FLAG14c0b7658
[2021-10-11 00:32:54,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/data/752c36563/98188cd1007f4280a559e80c6a3ae9c1
[2021-10-11 00:32:54,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:32:54,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:32:54,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:54,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:32:54,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:32:54,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a3253d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54, skipping insertion in model container
[2021-10-11 00:32:54,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:32:54,083 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:32:54,545 WARN L226 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_44642c6b-0f0f-4aac-9311-342706a1272d/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483]
[2021-10-11 00:32:54,591 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:54,611 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:32:54,680 WARN L226 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_44642c6b-0f0f-4aac-9311-342706a1272d/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483]
[2021-10-11 00:32:54,693 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:54,711 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:32:54,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54 WrapperNode
[2021-10-11 00:32:54,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:54,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:54,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:32:54,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:32:54,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:54,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:32:54,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:32:54,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:32:54,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
[2021-10-11 00:32:54,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:32:54,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:32:54,876 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:32:54,876 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:32:54,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:32:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:32:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:32:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:32:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:32:56,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:32:56,336 INFO L299 CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-11 00:32:56,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:56 BoogieIcfgContainer
[2021-10-11 00:32:56,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:32:56,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:32:56,340 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:32:56,343 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:32:56,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:54" (1/3) ...
[2021-10-11 00:32:56,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd70220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:56, skipping insertion in model container
[2021-10-11 00:32:56,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:54" (2/3) ...
[2021-10-11 00:32:56,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd70220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:56, skipping insertion in model container
[2021-10-11 00:32:56,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:56" (3/3) ...
[2021-10-11 00:32:56,347 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c
[2021-10-11 00:32:56,361 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:32:56,365 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:32:56,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:32:56,403 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:32:56,403 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:32:56,403 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:32:56,403 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:32:56,404 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:32:56,404 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:32:56,404 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:32:56,404 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:32:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states.
[2021-10-11 00:32:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2021-10-11 00:32:56,435 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:32:56,436 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:56,436 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:56,442 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times
[2021-10-11 00:32:56,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:56,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994476335]
[2021-10-11 00:32:56,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:56,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994476335]
[2021-10-11 00:32:56,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:56,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:56,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828843798]
[2021-10-11 00:32:56,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:56,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:56,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:56,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:56,909 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states.
[2021-10-11 00:32:57,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:57,866 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions.
[2021-10-11 00:32:57,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:32:57,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106
[2021-10-11 00:32:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:57,896 INFO L225 Difference]: With dead ends: 596
[2021-10-11 00:32:57,896 INFO L226 Difference]: Without dead ends: 305
[2021-10-11 00:32:57,901 INFO L677 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
[2021-10-11 00:32:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states.
[2021-10-11 00:32:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305.
[2021-10-11 00:32:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states.
[2021-10-11 00:32:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions.
[2021-10-11 00:32:57,965 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 106
[2021-10-11 00:32:57,966 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:57,967 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions.
[2021-10-11 00:32:57,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions.
[2021-10-11 00:32:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2021-10-11 00:32:57,975 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:32:57,976 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:57,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:32:57,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2067894423, now seen corresponding path program 1 times
[2021-10-11 00:32:57,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:57,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949240601]
[2021-10-11 00:32:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:58,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949240601]
[2021-10-11 00:32:58,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:58,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:58,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480944707]
[2021-10-11 00:32:58,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:58,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:58,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:58,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:58,128 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states.
[2021-10-11 00:32:58,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:58,425 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions.
[2021-10-11 00:32:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:32:58,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117
[2021-10-11 00:32:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:58,431 INFO L225 Difference]: With dead ends: 599
[2021-10-11 00:32:58,431 INFO L226 Difference]: Without dead ends: 296
[2021-10-11 00:32:58,436 INFO L677 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
[2021-10-11 00:32:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states.
[2021-10-11 00:32:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296.
[2021-10-11 00:32:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states.
[2021-10-11 00:32:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions.
[2021-10-11 00:32:58,473 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 117
[2021-10-11 00:32:58,473 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:58,473 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions.
[2021-10-11 00:32:58,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions.
[2021-10-11 00:32:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2021-10-11 00:32:58,478 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:32:58,478 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:58,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:32:58,479 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:58,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:58,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times
[2021-10-11 00:32:58,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:58,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790405525]
[2021-10-11 00:32:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:58,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790405525]
[2021-10-11 00:32:58,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:58,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:58,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648551965]
[2021-10-11 00:32:58,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:58,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:58,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:58,559 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states.
[2021-10-11 00:32:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:59,142 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions.
[2021-10-11 00:32:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:32:59,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124
[2021-10-11 00:32:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:59,148 INFO L225 Difference]: With dead ends: 872
[2021-10-11 00:32:59,149 INFO L226 Difference]: Without dead ends: 578
[2021-10-11 00:32:59,150 INFO L677 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
[2021-10-11 00:32:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states.
[2021-10-11 00:32:59,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438.
[2021-10-11 00:32:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states.
[2021-10-11 00:32:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions.
[2021-10-11 00:32:59,186 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 124
[2021-10-11 00:32:59,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:59,187 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions.
[2021-10-11 00:32:59,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions.
[2021-10-11 00:32:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2021-10-11 00:32:59,194 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:32:59,194 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:59,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:32:59,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:59,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:59,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1740692359, now seen corresponding path program 1 times
[2021-10-11 00:32:59,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:59,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289640953]
[2021-10-11 00:32:59,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:59,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289640953]
[2021-10-11 00:32:59,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:59,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:59,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024541831]
[2021-10-11 00:32:59,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:59,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:59,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:59,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:59,358 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states.
[2021-10-11 00:32:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:59,909 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions.
[2021-10-11 00:32:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:32:59,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129
[2021-10-11 00:32:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:59,914 INFO L225 Difference]: With dead ends: 1017
[2021-10-11 00:32:59,914 INFO L226 Difference]: Without dead ends: 581
[2021-10-11 00:32:59,915 INFO L677 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
[2021-10-11 00:32:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states.
[2021-10-11 00:32:59,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579.
[2021-10-11 00:32:59,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states.
[2021-10-11 00:32:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions.
[2021-10-11 00:32:59,932 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 129
[2021-10-11 00:32:59,932 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:59,933 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions.
[2021-10-11 00:32:59,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions.
[2021-10-11 00:32:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2021-10-11 00:32:59,935 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:32:59,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:59,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:32:59,936 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:59,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:59,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times
[2021-10-11 00:32:59,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:59,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426076078]
[2021-10-11 00:32:59,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:33:00,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426076078]
[2021-10-11 00:33:00,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123154781]
[2021-10-11 00:33:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:33:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:33:00,312 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:33:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-11 00:33:00,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:33:00,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-11 00:33:00,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226139026]
[2021-10-11 00:33:00,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:00,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:00,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:33:00,538 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states.
[2021-10-11 00:33:01,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:01,121 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions.
[2021-10-11 00:33:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:01,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133
[2021-10-11 00:33:01,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:01,128 INFO L225 Difference]: With dead ends: 1585
[2021-10-11 00:33:01,128 INFO L226 Difference]: Without dead ends: 1008
[2021-10-11 00:33:01,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:33:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states.
[2021-10-11 00:33:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867.
[2021-10-11 00:33:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states.
[2021-10-11 00:33:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions.
[2021-10-11 00:33:01,154 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 133
[2021-10-11 00:33:01,155 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:01,155 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions.
[2021-10-11 00:33:01,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions.
[2021-10-11 00:33:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2021-10-11 00:33:01,158 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:01,158 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:01,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:33:01,381 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:01,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1687427099, now seen corresponding path program 1 times
[2021-10-11 00:33:01,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:01,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621559256]
[2021-10-11 00:33:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-11 00:33:01,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621559256]
[2021-10-11 00:33:01,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:01,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:33:01,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441534439]
[2021-10-11 00:33:01,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:01,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:01,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:01,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:01,452 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states.
[2021-10-11 00:33:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:01,975 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions.
[2021-10-11 00:33:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:01,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137
[2021-10-11 00:33:01,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:01,981 INFO L225 Difference]: With dead ends: 1726
[2021-10-11 00:33:01,982 INFO L226 Difference]: Without dead ends: 861
[2021-10-11 00:33:01,983 INFO L677 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
[2021-10-11 00:33:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states.
[2021-10-11 00:33:01,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861.
[2021-10-11 00:33:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states.
[2021-10-11 00:33:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions.
[2021-10-11 00:33:02,002 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 137
[2021-10-11 00:33:02,002 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:02,002 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions.
[2021-10-11 00:33:02,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions.
[2021-10-11 00:33:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2021-10-11 00:33:02,006 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:02,006 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:02,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:33:02,007 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:02,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:02,007 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times
[2021-10-11 00:33:02,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:02,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748577969]
[2021-10-11 00:33:02,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-11 00:33:02,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748577969]
[2021-10-11 00:33:02,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:02,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:33:02,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71093272]
[2021-10-11 00:33:02,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:02,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:02,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:02,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:02,139 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states.
[2021-10-11 00:33:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:02,637 INFO L93 Difference]: Finished difference Result 2280 states and 2588 transitions.
[2021-10-11 00:33:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:02,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199
[2021-10-11 00:33:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:02,642 INFO L225 Difference]: With dead ends: 2280
[2021-10-11 00:33:02,642 INFO L226 Difference]: Without dead ends: 858
[2021-10-11 00:33:02,644 INFO L677 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
[2021-10-11 00:33:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states.
[2021-10-11 00:33:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858.
[2021-10-11 00:33:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states.
[2021-10-11 00:33:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 933 transitions.
[2021-10-11 00:33:02,686 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 933 transitions. Word has length 199
[2021-10-11 00:33:02,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:02,686 INFO L481 AbstractCegarLoop]: Abstraction has 858 states and 933 transitions.
[2021-10-11 00:33:02,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 933 transitions.
[2021-10-11 00:33:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2021-10-11 00:33:02,689 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:02,690 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2021-10-11 00:33:02,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:33:02,690 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2085305069, now seen corresponding path program 1 times
[2021-10-11 00:33:02,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:02,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845456922]
[2021-10-11 00:33:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2021-10-11 00:33:02,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845456922]
[2021-10-11 00:33:02,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:02,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:33:02,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194877826]
[2021-10-11 00:33:02,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:02,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:02,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:02,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:02,794 INFO L87 Difference]: Start difference. First operand 858 states and 933 transitions. Second operand 3 states.
[2021-10-11 00:33:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:03,265 INFO L93 Difference]: Finished difference Result 1992 states and 2182 transitions.
[2021-10-11 00:33:03,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:03,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209
[2021-10-11 00:33:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:03,266 INFO L225 Difference]: With dead ends: 1992
[2021-10-11 00:33:03,266 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:33:03,268 INFO L677 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
[2021-10-11 00:33:03,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:33:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:33:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:33:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:33:03,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209
[2021-10-11 00:33:03,269 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:03,269 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:33:03,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:33:03,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:33:03,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-11 00:33:03,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:33:03,430 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,430 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,430 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,430 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,430 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,431 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,432 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed.
[2021-10-11 00:33:03,433 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,434 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,435 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed.
[2021-10-11 00:33:03,436 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,437 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,438 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,439 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,440 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed.
[2021-10-11 00:33:03,441 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,442 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,443 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,444 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,445 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,446 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed.
[2021-10-11 00:33:03,447 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed.
[2021-10-11 00:33:03,448 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed.
[2021-10-11 00:33:03,449 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,449 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,449 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed.
[2021-10-11 00:33:03,449 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed.
[2021-10-11 00:33:03,449 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (= ~a11~0 1) .cse1 .cse2)))
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,450 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed.
[2021-10-11 00:33:03,451 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,452 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,453 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (= ~a11~0 1) .cse1 .cse2)))
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,454 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed.
[2021-10-11 00:33:03,455 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-11 00:33:03,456 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,457 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed.
[2021-10-11 00:33:03,458 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,459 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed.
[2021-10-11 00:33:03,459 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed.
[2021-10-11 00:33:03,459 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed.
[2021-10-11 00:33:03,459 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,459 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed.
[2021-10-11 00:33:03,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:03 BoogieIcfgContainer
[2021-10-11 00:33:03,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:33:03,488 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:33:03,489 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:33:03,489 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:33:03,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:56" (3/4) ...
[2021-10-11 00:33:03,493 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:33:03,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-11 00:33:03,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:33:03,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:33:03,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:33:03,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44642c6b-0f0f-4aac-9311-342706a1272d/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:33:03,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:33:03,697 INFO L168 Benchmark]: Toolchain (without parser) took 9668.27 ms. Allocated memory was 109.1 MB in the beginning and 249.6 MB in the end (delta: 140.5 MB). Free memory was 77.0 MB in the beginning and 137.6 MB in the end (delta: -60.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,698 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.57 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 77.0 MB in the beginning and 96.0 MB in the end (delta: -19.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 138.4 MB. Free memory was 96.0 MB in the beginning and 90.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,699 INFO L168 Benchmark]: Boogie Preprocessor took 63.37 ms. Allocated memory is still 138.4 MB. Free memory was 90.9 MB in the beginning and 86.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,700 INFO L168 Benchmark]: RCFGBuilder took 1462.34 ms. Allocated memory is still 138.4 MB. Free memory was 86.1 MB in the beginning and 93.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,700 INFO L168 Benchmark]: TraceAbstraction took 7148.38 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 92.5 MB in the beginning and 152.2 MB in the end (delta: -59.7 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,701 INFO L168 Benchmark]: Witness Printer took 207.04 ms. Allocated memory is still 249.6 MB. Free memory was 152.2 MB in the beginning and 137.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:03,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 685.57 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 77.0 MB in the beginning and 96.0 MB in the end (delta: -19.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 138.4 MB. Free memory was 96.0 MB in the beginning and 90.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 63.37 ms. Allocated memory is still 138.4 MB. Free memory was 90.9 MB in the beginning and 86.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1462.34 ms. Allocated memory is still 138.4 MB. Free memory was 86.1 MB in the beginning and 93.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 7148.38 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 92.5 MB in the beginning and 152.2 MB in the end (delta: -59.7 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB.
* Witness Printer took 207.04 ms. Allocated memory is still 249.6 MB. Free memory was 152.2 MB in the beginning and 137.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 500]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 610]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 616]: Loop Invariant
Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a11 == 1) && a17 <= 8) && a28 <= 10)
- InvariantResult [Line: 39]: Loop Invariant
Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a11 == 1) && a17 <= 8) && a28 <= 10)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 899 SDtfs, 1038 SDslu, 80 SDs, 0 SdLazy, 2630 SolverSat, 516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 283 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 95 HoareAnnotationTreeSize, 3 FomulaSimplifications, 388 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1287 NumberOfCodeBlocks, 1287 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1278 ConstructedInterpolants, 0 QuantifiedInterpolants, 536058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 403/419 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...