./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b5237d83
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a --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 eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-b5237d8
[2022-11-21 09:15:19,864 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-21 09:15:19,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 09:15:19,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 09:15:19,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 09:15:19,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 09:15:19,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 09:15:19,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 09:15:19,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 09:15:19,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 09:15:19,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 09:15:19,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 09:15:19,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 09:15:19,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 09:15:19,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 09:15:19,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 09:15:19,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 09:15:19,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 09:15:19,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 09:15:19,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 09:15:19,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 09:15:19,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 09:15:19,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 09:15:19,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 09:15:19,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 09:15:19,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 09:15:19,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 09:15:19,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 09:15:19,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 09:15:19,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 09:15:19,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 09:15:19,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 09:15:19,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 09:15:19,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 09:15:19,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 09:15:19,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 09:15:19,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 09:15:19,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 09:15:19,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 09:15:19,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 09:15:19,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 09:15:19,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-21 09:15:20,035 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-21 09:15:20,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 09:15:20,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 09:15:20,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 09:15:20,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 09:15:20,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 09:15:20,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 09:15:20,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-21 09:15:20,039 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-21 09:15:20,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 09:15:20,041 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-21 09:15:20,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-21 09:15:20,041 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-21 09:15:20,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-21 09:15:20,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 09:15:20,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 09:15:20,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 09:15:20,042 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-21 09:15:20,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-21 09:15:20,043 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-21 09:15:20,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-21 09:15:20,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 09:15:20,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-21 09:15:20,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-21 09:15:20,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:15:20,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 09:15:20,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 09:15:20,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 09:15:20,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-21 09:15:20,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-21 09:15:20,046 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 09:15:20,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 09:15:20,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 09:15:20,046 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_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55
[2022-11-21 09:15:20,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 09:15:20,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 09:15:20,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 09:15:20,390 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-21 09:15:20,391 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-21 09:15:20,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c
[2022-11-21 09:15:23,611 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-21 09:15:23,908 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-21 09:15:23,910 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/sv-benchmarks/c/eca-rers2012/Problem14_label17.c
[2022-11-21 09:15:23,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/data/85d8264b5/8730dd0253394591828331491d049255/FLAG82d77e352
[2022-11-21 09:15:23,941 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/data/85d8264b5/8730dd0253394591828331491d049255
[2022-11-21 09:15:23,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 09:15:23,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 09:15:23,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 09:15:23,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 09:15:23,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 09:15:23,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:23" (1/1) ...
[2022-11-21 09:15:23,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5752170d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:23, skipping insertion in model container
[2022-11-21 09:15:23,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:23" (1/1) ...
[2022-11-21 09:15:23,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-21 09:15:24,003 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-21 09:15:24,202 WARN L237 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_c6e43a31-1cdd-4c02-aee4-1f23b668b690/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759]
[2022-11-21 09:15:24,441 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:15:24,452 INFO L203 MainTranslator]: Completed pre-run
[2022-11-21 09:15:24,478 WARN L237 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_c6e43a31-1cdd-4c02-aee4-1f23b668b690/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759]
[2022-11-21 09:15:24,569 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:15:24,585 INFO L208 MainTranslator]: Completed translation
[2022-11-21 09:15:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24 WrapperNode
[2022-11-21 09:15:24,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 09:15:24,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 09:15:24,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 09:15:24,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 09:15:24,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,753 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858
[2022-11-21 09:15:24,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 09:15:24,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 09:15:24,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 09:15:24,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 09:15:24,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 09:15:24,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 09:15:24,897 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 09:15:24,898 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-21 09:15:24,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (1/1) ...
[2022-11-21 09:15:24,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:15:24,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:24,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 09:15:24,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 09:15:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 09:15:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-21 09:15:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 09:15:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 09:15:25,059 INFO L235 CfgBuilder]: Building ICFG
[2022-11-21 09:15:25,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 09:15:26,454 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-21 09:15:26,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 09:15:26,465 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-21 09:15:26,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:26 BoogieIcfgContainer
[2022-11-21 09:15:26,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 09:15:26,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 09:15:26,474 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 09:15:26,477 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-21 09:15:26,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:15:23" (1/3) ...
[2022-11-21 09:15:26,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36495009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:15:26, skipping insertion in model container
[2022-11-21 09:15:26,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:24" (2/3) ...
[2022-11-21 09:15:26,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36495009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:15:26, skipping insertion in model container
[2022-11-21 09:15:26,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:26" (3/3) ...
[2022-11-21 09:15:26,481 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c
[2022-11-21 09:15:26,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 09:15:26,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-21 09:15:26,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 09:15:26,603 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cfd4470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 09:15:26,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-21 09:15:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2022-11-21 09:15:26,627 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:26,628 INFO L195 NwaCegarLoop]: 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]
[2022-11-21 09:15:26,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times
[2022-11-21 09:15:26,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:26,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505367714]
[2022-11-21 09:15:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:26,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:15:27,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:27,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505367714]
[2022-11-21 09:15:27,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505367714] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:27,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:27,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 09:15:27,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752875487]
[2022-11-21 09:15:27,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:27,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:27,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:27,176 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:28,381 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions.
[2022-11-21 09:15:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:28,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56
[2022-11-21 09:15:28,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:28,396 INFO L225 Difference]: With dead ends: 669
[2022-11-21 09:15:28,396 INFO L226 Difference]: Without dead ends: 360
[2022-11-21 09:15:28,401 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:28,404 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 154 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:28,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 94 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-11-21 09:15:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2022-11-21 09:15:28,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360.
[2022-11-21 09:15:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.5208913649025069) internal successors, (546), 359 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions.
[2022-11-21 09:15:28,464 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 56
[2022-11-21 09:15:28,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:28,465 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions.
[2022-11-21 09:15:28,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions.
[2022-11-21 09:15:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2022-11-21 09:15:28,469 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:28,469 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-21 09:15:28,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-21 09:15:28,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:28,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash 448247055, now seen corresponding path program 1 times
[2022-11-21 09:15:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:28,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539397684]
[2022-11-21 09:15:28,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:15:28,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:28,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539397684]
[2022-11-21 09:15:28,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539397684] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:28,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:28,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 09:15:28,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162226055]
[2022-11-21 09:15:28,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:28,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:28,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:28,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:28,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:28,704 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:29,595 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions.
[2022-11-21 09:15:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:29,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131
[2022-11-21 09:15:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:29,600 INFO L225 Difference]: With dead ends: 1074
[2022-11-21 09:15:29,600 INFO L226 Difference]: Without dead ends: 716
[2022-11-21 09:15:29,602 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:29,603 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 122 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:29,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 95 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-21 09:15:29,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states.
[2022-11-21 09:15:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716.
[2022-11-21 09:15:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.353846153846154) internal successors, (968), 715 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions.
[2022-11-21 09:15:29,649 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 131
[2022-11-21 09:15:29,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:29,650 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions.
[2022-11-21 09:15:29,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions.
[2022-11-21 09:15:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2022-11-21 09:15:29,655 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:29,655 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-21 09:15:29,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-21 09:15:29,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:29,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:29,656 INFO L85 PathProgramCache]: Analyzing trace with hash -596921339, now seen corresponding path program 1 times
[2022-11-21 09:15:29,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:29,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858113088]
[2022-11-21 09:15:29,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:29,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:15:30,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:30,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858113088]
[2022-11-21 09:15:30,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858113088] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:30,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:30,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:30,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454729790]
[2022-11-21 09:15:30,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:30,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 09:15:30,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:30,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 09:15:30,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:15:30,167 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:31,384 INFO L93 Difference]: Finished difference Result 1964 states and 2570 transitions.
[2022-11-21 09:15:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-21 09:15:31,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135
[2022-11-21 09:15:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:31,390 INFO L225 Difference]: With dead ends: 1964
[2022-11-21 09:15:31,390 INFO L226 Difference]: Without dead ends: 1250
[2022-11-21 09:15:31,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-21 09:15:31,394 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 419 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:31,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 121 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-11-21 09:15:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states.
[2022-11-21 09:15:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250.
[2022-11-21 09:15:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2361889511609288) internal successors, (1544), 1249 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions.
[2022-11-21 09:15:31,432 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 135
[2022-11-21 09:15:31,432 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:31,432 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions.
[2022-11-21 09:15:31,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions.
[2022-11-21 09:15:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2022-11-21 09:15:31,442 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:31,442 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:31,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-21 09:15:31,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash -452523719, now seen corresponding path program 1 times
[2022-11-21 09:15:31,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:31,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677263749]
[2022-11-21 09:15:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2022-11-21 09:15:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:31,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677263749]
[2022-11-21 09:15:31,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677263749] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:31,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:31,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:31,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114764887]
[2022-11-21 09:15:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:31,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 09:15:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:31,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 09:15:31,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:15:31,918 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:32,831 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions.
[2022-11-21 09:15:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-21 09:15:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215
[2022-11-21 09:15:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:32,843 INFO L225 Difference]: With dead ends: 2705
[2022-11-21 09:15:32,843 INFO L226 Difference]: Without dead ends: 1606
[2022-11-21 09:15:32,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:15:32,853 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 118 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:32,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 119 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-11-21 09:15:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2022-11-21 09:15:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606.
[2022-11-21 09:15:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.1221183800623054) internal successors, (1801), 1605 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions.
[2022-11-21 09:15:32,915 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 215
[2022-11-21 09:15:32,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:32,917 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions.
[2022-11-21 09:15:32,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions.
[2022-11-21 09:15:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343
[2022-11-21 09:15:32,929 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:32,930 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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]
[2022-11-21 09:15:32,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-21 09:15:32,931 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:32,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1042976344, now seen corresponding path program 1 times
[2022-11-21 09:15:32,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:32,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926178041]
[2022-11-21 09:15:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:32,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 209 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2022-11-21 09:15:33,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:33,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926178041]
[2022-11-21 09:15:33,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926178041] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:33,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983308694]
[2022-11-21 09:15:33,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:33,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:33,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:33,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:33,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-21 09:15:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:33,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:33,881 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2022-11-21 09:15:34,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:34,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983308694] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:34,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:34,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2022-11-21 09:15:34,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559815870]
[2022-11-21 09:15:34,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:34,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:34,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:34,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:34,517 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:35,235 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions.
[2022-11-21 09:15:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 342
[2022-11-21 09:15:35,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:35,245 INFO L225 Difference]: With dead ends: 3388
[2022-11-21 09:15:35,248 INFO L226 Difference]: Without dead ends: 1962
[2022-11-21 09:15:35,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:35,251 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:35,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-21 09:15:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2022-11-21 09:15:35,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784.
[2022-11-21 09:15:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1318003365114975) internal successors, (2018), 1783 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions.
[2022-11-21 09:15:35,293 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 342
[2022-11-21 09:15:35,299 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:35,300 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions.
[2022-11-21 09:15:35,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:35,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions.
[2022-11-21 09:15:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2022-11-21 09:15:35,306 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:35,306 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 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]
[2022-11-21 09:15:35,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:35,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:35,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:35,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:35,513 INFO L85 PathProgramCache]: Analyzing trace with hash 246905886, now seen corresponding path program 1 times
[2022-11-21 09:15:35,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:35,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782817867]
[2022-11-21 09:15:35,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2022-11-21 09:15:35,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:35,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782817867]
[2022-11-21 09:15:35,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782817867] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:35,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:35,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:35,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120462091]
[2022-11-21 09:15:35,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:35,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:35,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:35,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:35,980 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:36,660 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions.
[2022-11-21 09:15:36,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:36,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 346
[2022-11-21 09:15:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:36,668 INFO L225 Difference]: With dead ends: 3744
[2022-11-21 09:15:36,668 INFO L226 Difference]: Without dead ends: 2140
[2022-11-21 09:15:36,670 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:36,672 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 101 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:36,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 77 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:36,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states.
[2022-11-21 09:15:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140.
[2022-11-21 09:15:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.1280972417017299) internal successors, (2413), 2139 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions.
[2022-11-21 09:15:36,723 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 346
[2022-11-21 09:15:36,723 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:36,724 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions.
[2022-11-21 09:15:36,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions.
[2022-11-21 09:15:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374
[2022-11-21 09:15:36,730 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:36,730 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1]
[2022-11-21 09:15:36,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-21 09:15:36,731 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1148447004, now seen corresponding path program 1 times
[2022-11-21 09:15:36,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:36,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125406593]
[2022-11-21 09:15:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:36,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-11-21 09:15:37,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:37,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125406593]
[2022-11-21 09:15:37,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125406593] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:37,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:37,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:37,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675865272]
[2022-11-21 09:15:37,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:37,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:37,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:37,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:37,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:37,050 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:37,779 INFO L93 Difference]: Finished difference Result 4634 states and 5295 transitions.
[2022-11-21 09:15:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:37,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373
[2022-11-21 09:15:37,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:37,789 INFO L225 Difference]: With dead ends: 4634
[2022-11-21 09:15:37,789 INFO L226 Difference]: Without dead ends: 2674
[2022-11-21 09:15:37,791 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:37,792 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 125 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:37,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 258 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-21 09:15:37,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states.
[2022-11-21 09:15:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674.
[2022-11-21 09:15:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.1208380097268986) internal successors, (2996), 2673 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2996 transitions.
[2022-11-21 09:15:37,849 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2996 transitions. Word has length 373
[2022-11-21 09:15:37,850 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:37,850 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 2996 transitions.
[2022-11-21 09:15:37,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2996 transitions.
[2022-11-21 09:15:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381
[2022-11-21 09:15:37,857 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:37,857 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:37,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-21 09:15:37,858 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:37,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1347609353, now seen corresponding path program 1 times
[2022-11-21 09:15:37,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:37,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951824158]
[2022-11-21 09:15:37,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:37,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2022-11-21 09:15:38,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:38,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951824158]
[2022-11-21 09:15:38,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951824158] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:38,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309064361]
[2022-11-21 09:15:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:38,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-21 09:15:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:38,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:38,593 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-11-21 09:15:38,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:38,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309064361] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:38,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:38,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2022-11-21 09:15:38,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466447159]
[2022-11-21 09:15:38,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:38,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:38,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-21 09:15:38,688 INFO L87 Difference]: Start difference. First operand 2674 states and 2996 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:39,424 INFO L93 Difference]: Finished difference Result 6236 states and 7081 transitions.
[2022-11-21 09:15:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:39,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 380
[2022-11-21 09:15:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:39,436 INFO L225 Difference]: With dead ends: 6236
[2022-11-21 09:15:39,436 INFO L226 Difference]: Without dead ends: 3742
[2022-11-21 09:15:39,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-21 09:15:39,440 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 138 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:39,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 58 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-21 09:15:39,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2022-11-21 09:15:39,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2022-11-21 09:15:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.1242983159583) internal successors, (4206), 3741 states have internal predecessors, (4206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4206 transitions.
[2022-11-21 09:15:39,519 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4206 transitions. Word has length 380
[2022-11-21 09:15:39,520 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:39,520 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4206 transitions.
[2022-11-21 09:15:39,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4206 transitions.
[2022-11-21 09:15:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456
[2022-11-21 09:15:39,530 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:39,531 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:39,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:39,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2022-11-21 09:15:39,737 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:39,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:39,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1274381579, now seen corresponding path program 1 times
[2022-11-21 09:15:39,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:39,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653755858]
[2022-11-21 09:15:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.
[2022-11-21 09:15:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:40,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653755858]
[2022-11-21 09:15:40,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653755858] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:40,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:40,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518029095]
[2022-11-21 09:15:40,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:40,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 09:15:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:40,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 09:15:40,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:15:40,251 INFO L87 Difference]: Start difference. First operand 3742 states and 4206 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:41,086 INFO L93 Difference]: Finished difference Result 7540 states and 8485 transitions.
[2022-11-21 09:15:41,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-21 09:15:41,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 455
[2022-11-21 09:15:41,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:41,099 INFO L225 Difference]: With dead ends: 7540
[2022-11-21 09:15:41,099 INFO L226 Difference]: Without dead ends: 3920
[2022-11-21 09:15:41,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:15:41,104 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 125 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:41,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 17 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-21 09:15:41,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states.
[2022-11-21 09:15:41,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742.
[2022-11-21 09:15:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.083132852178562) internal successors, (4052), 3741 states have internal predecessors, (4052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4052 transitions.
[2022-11-21 09:15:41,187 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4052 transitions. Word has length 455
[2022-11-21 09:15:41,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:41,188 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4052 transitions.
[2022-11-21 09:15:41,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4052 transitions.
[2022-11-21 09:15:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482
[2022-11-21 09:15:41,198 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:41,199 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:41,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-21 09:15:41,199 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:41,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:41,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1801199018, now seen corresponding path program 1 times
[2022-11-21 09:15:41,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:41,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204585266]
[2022-11-21 09:15:41,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:41,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 520 proven. 11 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-11-21 09:15:41,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:41,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204585266]
[2022-11-21 09:15:41,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204585266] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:41,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720578549]
[2022-11-21 09:15:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:41,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:41,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:41,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-21 09:15:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:42,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:42,138 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked.
[2022-11-21 09:15:42,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:42,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720578549] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:42,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:42,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-21 09:15:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984057757]
[2022-11-21 09:15:42,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:42,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:42,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:42,251 INFO L87 Difference]: Start difference. First operand 3742 states and 4052 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:42,899 INFO L93 Difference]: Finished difference Result 7304 states and 7923 transitions.
[2022-11-21 09:15:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:42,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 481
[2022-11-21 09:15:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:42,912 INFO L225 Difference]: With dead ends: 7304
[2022-11-21 09:15:42,912 INFO L226 Difference]: Without dead ends: 3742
[2022-11-21 09:15:42,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:42,916 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 136 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:42,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 214 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2022-11-21 09:15:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2022-11-21 09:15:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0737770649558942) internal successors, (4017), 3741 states have internal predecessors, (4017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4017 transitions.
[2022-11-21 09:15:43,003 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4017 transitions. Word has length 481
[2022-11-21 09:15:43,004 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:43,004 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4017 transitions.
[2022-11-21 09:15:43,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4017 transitions.
[2022-11-21 09:15:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536
[2022-11-21 09:15:43,010 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:43,011 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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]
[2022-11-21 09:15:43,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:43,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-21 09:15:43,217 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:43,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:43,218 INFO L85 PathProgramCache]: Analyzing trace with hash 120362576, now seen corresponding path program 1 times
[2022-11-21 09:15:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:43,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925380939]
[2022-11-21 09:15:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked.
[2022-11-21 09:15:43,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:43,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925380939]
[2022-11-21 09:15:43,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925380939] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:43,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:43,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:43,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763560992]
[2022-11-21 09:15:43,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:43,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:43,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:43,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:43,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:43,607 INFO L87 Difference]: Start difference. First operand 3742 states and 4017 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:44,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:44,286 INFO L93 Difference]: Finished difference Result 7660 states and 8277 transitions.
[2022-11-21 09:15:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:44,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 535
[2022-11-21 09:15:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:44,299 INFO L225 Difference]: With dead ends: 7660
[2022-11-21 09:15:44,299 INFO L226 Difference]: Without dead ends: 4098
[2022-11-21 09:15:44,304 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:44,305 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 126 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:44,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 61 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:44,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states.
[2022-11-21 09:15:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098.
[2022-11-21 09:15:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0785940932389553) internal successors, (4419), 4097 states have internal predecessors, (4419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4419 transitions.
[2022-11-21 09:15:44,385 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4419 transitions. Word has length 535
[2022-11-21 09:15:44,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:44,386 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 4419 transitions.
[2022-11-21 09:15:44,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4419 transitions.
[2022-11-21 09:15:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547
[2022-11-21 09:15:44,392 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:44,393 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:44,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-21 09:15:44,393 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:44,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1311829144, now seen corresponding path program 1 times
[2022-11-21 09:15:44,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:44,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480290444]
[2022-11-21 09:15:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:44,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 463 proven. 68 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-11-21 09:15:45,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:45,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480290444]
[2022-11-21 09:15:45,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480290444] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:45,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131077159]
[2022-11-21 09:15:45,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:45,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:45,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:45,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-21 09:15:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:45,453 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked.
[2022-11-21 09:15:46,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:46,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131077159] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:46,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:46,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2022-11-21 09:15:46,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126566568]
[2022-11-21 09:15:46,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:46,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:46,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:46,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:46,253 INFO L87 Difference]: Start difference. First operand 4098 states and 4419 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:46,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:46,858 INFO L93 Difference]: Finished difference Result 5168 states and 5590 transitions.
[2022-11-21 09:15:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:46,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546
[2022-11-21 09:15:46,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:46,877 INFO L225 Difference]: With dead ends: 5168
[2022-11-21 09:15:46,883 INFO L226 Difference]: Without dead ends: 5166
[2022-11-21 09:15:46,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:46,886 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:46,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 11 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states.
[2022-11-21 09:15:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4276.
[2022-11-21 09:15:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2022-11-21 09:15:47,034 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 546
[2022-11-21 09:15:47,043 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:47,043 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2022-11-21 09:15:47,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2022-11-21 09:15:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589
[2022-11-21 09:15:47,066 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:47,067 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:47,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:47,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-11-21 09:15:47,273 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 538602375, now seen corresponding path program 1 times
[2022-11-21 09:15:47,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:47,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040559302]
[2022-11-21 09:15:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 943 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2022-11-21 09:15:48,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:48,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040559302]
[2022-11-21 09:15:48,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040559302] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:48,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615666582]
[2022-11-21 09:15:48,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:48,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:48,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:48,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-11-21 09:15:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:48,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:48,456 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked.
[2022-11-21 09:15:48,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:48,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615666582] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:48,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:48,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-21 09:15:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626795561]
[2022-11-21 09:15:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:48,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:48,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:48,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:48,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:48,549 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:49,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:49,163 INFO L93 Difference]: Finished difference Result 5702 states and 6165 transitions.
[2022-11-21 09:15:49,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:49,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 588
[2022-11-21 09:15:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:49,176 INFO L225 Difference]: With dead ends: 5702
[2022-11-21 09:15:49,176 INFO L226 Difference]: Without dead ends: 5700
[2022-11-21 09:15:49,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:49,179 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 146 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:49,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 11 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states.
[2022-11-21 09:15:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 4276.
[2022-11-21 09:15:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2022-11-21 09:15:49,258 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 588
[2022-11-21 09:15:49,259 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:49,259 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2022-11-21 09:15:49,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2022-11-21 09:15:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620
[2022-11-21 09:15:49,267 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:49,267 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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]
[2022-11-21 09:15:49,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:49,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:49,473 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:49,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:49,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1811126405, now seen corresponding path program 1 times
[2022-11-21 09:15:49,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:49,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527790069]
[2022-11-21 09:15:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:49,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2022-11-21 09:15:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527790069]
[2022-11-21 09:15:50,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527790069] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673872787]
[2022-11-21 09:15:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:50,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:50,243 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:50,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-11-21 09:15:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:50,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:15:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked.
[2022-11-21 09:15:50,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:50,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673872787] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:50,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:50,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-21 09:15:50,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699411718]
[2022-11-21 09:15:50,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:50,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:50,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:50,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:50,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:50,587 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:51,189 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions.
[2022-11-21 09:15:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:51,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 619
[2022-11-21 09:15:51,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:51,200 INFO L225 Difference]: With dead ends: 5524
[2022-11-21 09:15:51,201 INFO L226 Difference]: Without dead ends: 5522
[2022-11-21 09:15:51,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:51,203 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 146 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:51,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 11 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states.
[2022-11-21 09:15:51,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4276.
[2022-11-21 09:15:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 4275 states have (on average 1.08093567251462) internal successors, (4621), 4275 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4621 transitions.
[2022-11-21 09:15:51,303 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4621 transitions. Word has length 619
[2022-11-21 09:15:51,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:51,304 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 4621 transitions.
[2022-11-21 09:15:51,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4621 transitions.
[2022-11-21 09:15:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629
[2022-11-21 09:15:51,316 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:51,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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]
[2022-11-21 09:15:51,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:51,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:51,524 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:51,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1748481757, now seen corresponding path program 1 times
[2022-11-21 09:15:51,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:51,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195209063]
[2022-11-21 09:15:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:51,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.
[2022-11-21 09:15:52,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:52,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195209063]
[2022-11-21 09:15:52,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195209063] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:52,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259551359]
[2022-11-21 09:15:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:52,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:52,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-11-21 09:15:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:52,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-21 09:15:52,646 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:15:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.
[2022-11-21 09:15:53,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:15:53,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259551359] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:53,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:15:53,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2022-11-21 09:15:53,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104938755]
[2022-11-21 09:15:53,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:53,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:53,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:53,326 INFO L87 Difference]: Start difference. First operand 4276 states and 4621 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:53,923 INFO L93 Difference]: Finished difference Result 9440 states and 10230 transitions.
[2022-11-21 09:15:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:53,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 628
[2022-11-21 09:15:53,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:53,939 INFO L225 Difference]: With dead ends: 9440
[2022-11-21 09:15:53,939 INFO L226 Difference]: Without dead ends: 5344
[2022-11-21 09:15:53,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:15:53,944 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 78 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:53,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 50 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-21 09:15:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states.
[2022-11-21 09:15:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5344.
[2022-11-21 09:15:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5344 states, 5343 states have (on average 1.0758001122964627) internal successors, (5748), 5343 states have internal predecessors, (5748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5748 transitions.
[2022-11-21 09:15:54,030 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5748 transitions. Word has length 628
[2022-11-21 09:15:54,031 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:54,031 INFO L495 AbstractCegarLoop]: Abstraction has 5344 states and 5748 transitions.
[2022-11-21 09:15:54,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5748 transitions.
[2022-11-21 09:15:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698
[2022-11-21 09:15:54,041 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:54,041 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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]
[2022-11-21 09:15:54,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-11-21 09:15:54,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-11-21 09:15:54,247 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1282632347, now seen corresponding path program 1 times
[2022-11-21 09:15:54,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:54,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940823255]
[2022-11-21 09:15:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 1191 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2022-11-21 09:15:54,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940823255]
[2022-11-21 09:15:54,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940823255] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:54,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:54,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:54,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124915666]
[2022-11-21 09:15:54,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:54,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:54,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:54,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:54,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:54,978 INFO L87 Difference]: Start difference. First operand 5344 states and 5748 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:55,575 INFO L93 Difference]: Finished difference Result 10864 states and 11694 transitions.
[2022-11-21 09:15:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:55,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 697
[2022-11-21 09:15:55,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:55,594 INFO L225 Difference]: With dead ends: 10864
[2022-11-21 09:15:55,594 INFO L226 Difference]: Without dead ends: 5700
[2022-11-21 09:15:55,599 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:55,599 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 110 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:55,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 245 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-21 09:15:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states.
[2022-11-21 09:15:55,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5166.
[2022-11-21 09:15:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5165 states have (on average 1.0772507260406583) internal successors, (5564), 5165 states have internal predecessors, (5564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5564 transitions.
[2022-11-21 09:15:55,744 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5564 transitions. Word has length 697
[2022-11-21 09:15:55,745 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:55,745 INFO L495 AbstractCegarLoop]: Abstraction has 5166 states and 5564 transitions.
[2022-11-21 09:15:55,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5564 transitions.
[2022-11-21 09:15:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705
[2022-11-21 09:15:55,755 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:55,756 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:55,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-21 09:15:55,756 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:55,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:55,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1285598144, now seen corresponding path program 1 times
[2022-11-21 09:15:55,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:55,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167359986]
[2022-11-21 09:15:55,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 1200 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2022-11-21 09:15:56,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:56,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167359986]
[2022-11-21 09:15:56,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167359986] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:56,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:56,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:56,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459598423]
[2022-11-21 09:15:56,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:56,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:56,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:56,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:56,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:56,385 INFO L87 Difference]: Start difference. First operand 5166 states and 5564 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:57,059 INFO L93 Difference]: Finished difference Result 11220 states and 12115 transitions.
[2022-11-21 09:15:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:57,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 704
[2022-11-21 09:15:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:57,070 INFO L225 Difference]: With dead ends: 11220
[2022-11-21 09:15:57,071 INFO L226 Difference]: Without dead ends: 6234
[2022-11-21 09:15:57,075 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:57,075 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 114 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:57,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 201 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states.
[2022-11-21 09:15:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 5522.
[2022-11-21 09:15:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 5521 states have (on average 1.0597717804745517) internal successors, (5851), 5521 states have internal predecessors, (5851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 5851 transitions.
[2022-11-21 09:15:57,164 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 5851 transitions. Word has length 704
[2022-11-21 09:15:57,165 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:57,165 INFO L495 AbstractCegarLoop]: Abstraction has 5522 states and 5851 transitions.
[2022-11-21 09:15:57,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 5851 transitions.
[2022-11-21 09:15:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782
[2022-11-21 09:15:57,177 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:57,177 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:57,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-11-21 09:15:57,178 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1250623350, now seen corresponding path program 1 times
[2022-11-21 09:15:57,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:57,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296271731]
[2022-11-21 09:15:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:57,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2237 backedges. 1638 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked.
[2022-11-21 09:15:57,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:57,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296271731]
[2022-11-21 09:15:57,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296271731] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:15:57,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:15:57,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:15:57,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855346534]
[2022-11-21 09:15:57,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:15:57,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:15:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:15:57,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:15:57,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:15:57,848 INFO L87 Difference]: Start difference. First operand 5522 states and 5851 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:58,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:15:58,486 INFO L93 Difference]: Finished difference Result 10864 states and 11521 transitions.
[2022-11-21 09:15:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-21 09:15:58,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 781
[2022-11-21 09:15:58,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:15:58,501 INFO L225 Difference]: With dead ends: 10864
[2022-11-21 09:15:58,502 INFO L226 Difference]: Without dead ends: 5522
[2022-11-21 09:15:58,508 INFO L412 NwaCegarLoop]: 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
[2022-11-21 09:15:58,509 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:15:58,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 243 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:15:58,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states.
[2022-11-21 09:15:58,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5344.
[2022-11-21 09:15:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5344 states, 5343 states have (on average 1.0567097136440202) internal successors, (5646), 5343 states have internal predecessors, (5646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5646 transitions.
[2022-11-21 09:15:58,599 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5646 transitions. Word has length 781
[2022-11-21 09:15:58,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:15:58,599 INFO L495 AbstractCegarLoop]: Abstraction has 5344 states and 5646 transitions.
[2022-11-21 09:15:58,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:15:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5646 transitions.
[2022-11-21 09:15:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901
[2022-11-21 09:15:58,612 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 09:15:58,613 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:15:58,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-11-21 09:15:58,613 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:15:58,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:15:58,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2118539318, now seen corresponding path program 1 times
[2022-11-21 09:15:58,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:15:58,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172834862]
[2022-11-21 09:15:58,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:58,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:15:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2666 backedges. 2026 proven. 110 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2022-11-21 09:15:59,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:15:59,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172834862]
[2022-11-21 09:15:59,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172834862] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:15:59,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216851103]
[2022-11-21 09:15:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:15:59,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:15:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:15:59,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:15:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-11-21 09:15:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:15:59,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-21 09:15:59,693 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:16:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2666 backedges. 2026 proven. 110 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2022-11-21 09:16:00,083 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-21 09:16:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2666 backedges. 2026 proven. 110 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2022-11-21 09:16:00,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216851103] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-21 09:16:00,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-21 09:16:00,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2022-11-21 09:16:00,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107233859]
[2022-11-21 09:16:00,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-21 09:16:00,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-21 09:16:00,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:16:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-21 09:16:00,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:16:00,487 INFO L87 Difference]: Start difference. First operand 5344 states and 5646 transitions. Second operand has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:16:01,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:16:01,772 INFO L93 Difference]: Finished difference Result 12286 states and 13001 transitions.
[2022-11-21 09:16:01,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-21 09:16:01,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 900
[2022-11-21 09:16:01,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:16:01,774 INFO L225 Difference]: With dead ends: 12286
[2022-11-21 09:16:01,774 INFO L226 Difference]: Without dead ends: 0
[2022-11-21 09:16:01,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1802 GetRequests, 1798 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:16:01,781 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 216 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-11-21 09:16:01,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 68 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-11-21 09:16:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-21 09:16:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-21 09:16:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:16:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-21 09:16:01,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 900
[2022-11-21 09:16:01,783 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:16:01,783 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-21 09:16:01,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:16:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-21 09:16:01,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-21 09:16:01,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-21 09:16:01,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-11-21 09:16:01,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:16:02,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-21 09:16:03,977 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,977 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed.
[2022-11-21 09:16:03,977 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,977 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,977 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2022-11-21 09:16:03,978 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2022-11-21 09:16:03,979 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,980 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,981 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,982 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,983 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,984 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,985 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,986 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-21 09:16:03,987 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2022-11-21 09:16:03,988 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,989 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,990 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2022-11-21 09:16:03,991 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,992 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2022-11-21 09:16:03,993 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2022-11-21 09:16:03,994 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,995 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2022-11-21 09:16:03,996 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,997 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,998 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2022-11-21 09:16:03,999 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,000 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,001 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2022-11-21 09:16:04,002 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,003 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,003 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,003 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,003 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,004 INFO L895 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (<= (+ 49 ~a12~0) 0)) (.cse1 (<= ~a15~0 8)) (.cse0 (= ~a24~0 1)) (.cse3 (+ ~a12~0 43))) (or (and .cse0 (<= 10 ~a21~0)) (and .cse0 (<= ~a21~0 8)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a21~0 7) .cse2) (and .cse0 (<= 9 ~a15~0) (< 0 .cse3)) (and (<= 6 ~a15~0) .cse0 .cse1) (and .cse0 (not (<= .cse3 0)) (not (< 80 ~a12~0)))))
[2022-11-21 09:16:04,004 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,004 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,004 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2022-11-21 09:16:04,004 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2022-11-21 09:16:04,004 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,005 INFO L902 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true
[2022-11-21 09:16:04,005 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,006 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2022-11-21 09:16:04,007 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,008 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (<= (+ 49 ~a12~0) 0)) (.cse1 (<= ~a15~0 8)) (.cse0 (= ~a24~0 1)) (.cse3 (+ ~a12~0 43))) (or (and .cse0 (<= 10 ~a21~0)) (and .cse0 (<= ~a21~0 8)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a21~0 7) .cse2) (and .cse0 (<= 9 ~a15~0) (< 0 .cse3)) (and (<= 6 ~a15~0) .cse0 .cse1) (and .cse0 (not (<= .cse3 0)) (not (< 80 ~a12~0)))))
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2022-11-21 09:16:04,009 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed.
[2022-11-21 09:16:04,010 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed.
[2022-11-21 09:16:04,011 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2022-11-21 09:16:04,011 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2022-11-21 09:16:04,011 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2022-11-21 09:16:04,014 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:16:04,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-21 09:16:04,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:16:04 BoogieIcfgContainer
[2022-11-21 09:16:04,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-21 09:16:04,042 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-21 09:16:04,042 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-21 09:16:04,042 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-21 09:16:04,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:26" (3/4) ...
[2022-11-21 09:16:04,045 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-21 09:16:04,064 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-21 09:16:04,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-21 09:16:04,066 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-21 09:16:04,067 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-21 09:16:04,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/witness.graphml
[2022-11-21 09:16:04,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-21 09:16:04,195 INFO L158 Benchmark]: Toolchain (without parser) took 40249.57ms. Allocated memory was 140.5MB in the beginning and 702.5MB in the end (delta: 562.0MB). Free memory was 93.7MB in the beginning and 651.0MB in the end (delta: -557.3MB). Peak memory consumption was 416.1MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,195 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 09:16:04,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.30ms. Allocated memory is still 140.5MB. Free memory was 93.7MB in the beginning and 61.1MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.91ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 61.1MB in the beginning and 154.5MB in the end (delta: -93.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,196 INFO L158 Benchmark]: Boogie Preprocessor took 142.49ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 148.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,196 INFO L158 Benchmark]: RCFGBuilder took 1574.49ms. Allocated memory is still 190.8MB. Free memory was 148.2MB in the beginning and 114.3MB in the end (delta: 33.9MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,197 INFO L158 Benchmark]: TraceAbstraction took 37567.74ms. Allocated memory was 190.8MB in the beginning and 702.5MB in the end (delta: 511.7MB). Free memory was 113.2MB in the beginning and 246.0MB in the end (delta: -132.8MB). Peak memory consumption was 403.0MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,197 INFO L158 Benchmark]: Witness Printer took 152.23ms. Allocated memory is still 702.5MB. Free memory was 246.0MB in the beginning and 651.0MB in the end (delta: -405.0MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB.
[2022-11-21 09:16:04,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 639.30ms. Allocated memory is still 140.5MB. Free memory was 93.7MB in the beginning and 61.1MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 166.91ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 61.1MB in the beginning and 154.5MB in the end (delta: -93.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 142.49ms. Allocated memory is still 190.8MB. Free memory was 154.5MB in the beginning and 148.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1574.49ms. Allocated memory is still 190.8MB. Free memory was 148.2MB in the beginning and 114.3MB in the end (delta: 33.9MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 37567.74ms. Allocated memory was 190.8MB in the beginning and 702.5MB in the end (delta: 511.7MB). Free memory was 113.2MB in the beginning and 246.0MB in the end (delta: -132.8MB). Peak memory consumption was 403.0MB. Max. memory is 16.1GB.
* Witness Printer took 152.23ms. Allocated memory is still 702.5MB. Free memory was 246.0MB in the beginning and 651.0MB in the end (delta: -405.0MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 182]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.4s, OverallIterations: 19, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2581 SdHoareTripleChecker+Valid, 13.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2581 mSDsluCounter, 2001 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 1139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10182 IncrementalHoareTripleChecker+Invalid, 11321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1139 mSolverCounterUnsat, 1893 mSDtfsCounter, 10182 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5438 GetRequests, 5392 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5522occurred in iteration=17, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 5340 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 91 NumberOfFragments, 151 HoareAnnotationTreeSize, 3 FomulaSimplifications, 964 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7186 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 13396 NumberOfCodeBlocks, 13396 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 14268 ConstructedInterpolants, 0 QuantifiedInterpolants, 45170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5763 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 28 InterpolantComputations, 18 PerfectInterpolantSequences, 28866/29588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 30]: Loop Invariant
Derived loop invariant: ((((((a24 == 1 && 10 <= a21) || (a24 == 1 && a21 <= 8)) || ((a24 == 1 && a15 <= 8) && 49 + a12 <= 0)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || ((a24 == 1 && 9 <= a15) && 0 < a12 + 43)) || ((6 <= a15 && a24 == 1) && a15 <= 8)) || ((a24 == 1 && !(a12 + 43 <= 0)) && !(80 < a12))
- InvariantResult [Line: 884]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 890]: Loop Invariant
Derived loop invariant: ((((((a24 == 1 && 10 <= a21) || (a24 == 1 && a21 <= 8)) || ((a24 == 1 && a15 <= 8) && 49 + a12 <= 0)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || ((a24 == 1 && 9 <= a15) && 0 < a12 + 43)) || ((6 <= a15 && a24 == 1) && a15 <= 8)) || ((a24 == 1 && !(a12 + 43 <= 0)) && !(80 < a12))
RESULT: Ultimate proved your program to be correct!
[2022-11-21 09:16:04,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e43a31-1cdd-4c02-aee4-1f23b668b690/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE