./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc --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 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4
--- 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-5e519f3
[2022-11-02 20:53:14,948 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:53:14,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:53:15,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:53:15,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:53:15,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:53:15,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:53:15,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:53:15,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:53:15,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:53:15,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:53:15,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:53:15,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:53:15,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:53:15,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:53:15,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:53:15,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:53:15,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:53:15,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:53:15,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:53:15,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:53:15,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:53:15,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:53:15,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:53:15,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:53:15,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:53:15,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:53:15,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:53:15,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:53:15,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:53:15,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:53:15,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:53:15,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:53:15,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:53:15,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:53:15,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:53:15,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:53:15,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:53:15,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:53:15,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:53:15,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:53:15,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:53:15,127 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:53:15,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:53:15,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:53:15,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:53:15,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:53:15,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:53:15,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:53:15,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:53:15,134 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:53:15,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:53:15,135 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:53:15,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:53:15,136 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:53:15,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:53:15,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:53:15,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:53:15,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:53:15,137 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:53:15,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:53:15,137 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:53:15,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:53:15,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:53:15,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:53:15,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:53:15,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:53:15,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:53:15,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:53:15,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:53:15,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:53:15,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:53:15,140 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:53:15,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:53:15,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:53:15,141 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_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4
[2022-11-02 20:53:15,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:53:15,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:53:15,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:53:15,544 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:53:15,545 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:53:15,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c
[2022-11-02 20:53:15,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/data/b96e71a60/22870e1d04eb44ba8e4fba0e44bb68b2/FLAG6f5737017
[2022-11-02 20:53:16,369 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:53:16,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/sv-benchmarks/c/eca-rers2012/Problem14_label50.c
[2022-11-02 20:53:16,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/data/b96e71a60/22870e1d04eb44ba8e4fba0e44bb68b2/FLAG6f5737017
[2022-11-02 20:53:16,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/data/b96e71a60/22870e1d04eb44ba8e4fba0e44bb68b2
[2022-11-02 20:53:16,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:53:16,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:53:16,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:53:16,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:53:16,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:53:16,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:16" (1/1) ...
[2022-11-02 20:53:16,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c44730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:16, skipping insertion in model container
[2022-11-02 20:53:16,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:16" (1/1) ...
[2022-11-02 20:53:16,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:53:16,687 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:53:16,940 WARN L230 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_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946]
[2022-11-02 20:53:17,185 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:53:17,208 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:53:17,246 WARN L230 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_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946]
[2022-11-02 20:53:17,428 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:53:17,447 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:53:17,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17 WrapperNode
[2022-11-02 20:53:17,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:53:17,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:53:17,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:53:17,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:53:17,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,595 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858
[2022-11-02 20:53:17,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:53:17,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:53:17,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:53:17,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:53:17,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:53:17,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:53:17,699 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:53:17,699 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:53:17,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (1/1) ...
[2022-11-02 20:53:17,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:53:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:17,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:53:17,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:53:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:53:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:53:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:53:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:53:17,887 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:53:17,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:53:19,630 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:53:19,639 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:53:19,640 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:53:19,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:19 BoogieIcfgContainer
[2022-11-02 20:53:19,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:53:19,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:53:19,645 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:53:19,649 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:53:19,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:53:16" (1/3) ...
[2022-11-02 20:53:19,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4ff03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:19, skipping insertion in model container
[2022-11-02 20:53:19,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:17" (2/3) ...
[2022-11-02 20:53:19,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4ff03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:19, skipping insertion in model container
[2022-11-02 20:53:19,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:19" (3/3) ...
[2022-11-02 20:53:19,652 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50.c
[2022-11-02 20:53:19,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:53:19,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:53:19,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:53:19,769 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;@6bc1b14b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:53:19,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:53:19,775 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)
[2022-11-02 20:53:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2022-11-02 20:53:19,787 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:19,788 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]
[2022-11-02 20:53:19,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:19,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:19,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times
[2022-11-02 20:53:19,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:19,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81177397]
[2022-11-02 20:53:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:53:20,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:20,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81177397]
[2022-11-02 20:53:20,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81177397] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:20,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:20,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739666756]
[2022-11-02 20:53:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:20,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:53:20,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:20,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:53:20,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:53:20,416 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 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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)
[2022-11-02 20:53:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:22,378 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions.
[2022-11-02 20:53:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:53:22,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37
[2022-11-02 20:53:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:22,398 INFO L225 Difference]: With dead ends: 852
[2022-11-02 20:53:22,398 INFO L226 Difference]: Without dead ends: 538
[2022-11-02 20:53:22,402 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
[2022-11-02 20:53:22,406 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 558 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:22,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 44 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-11-02 20:53:22,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states.
[2022-11-02 20:53:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538.
[2022-11-02 20:53:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4487895716945995) internal successors, (778), 537 states have internal predecessors, (778), 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)
[2022-11-02 20:53:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions.
[2022-11-02 20:53:22,476 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 37
[2022-11-02 20:53:22,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:22,477 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions.
[2022-11-02 20:53:22,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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)
[2022-11-02 20:53:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions.
[2022-11-02 20:53:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2022-11-02 20:53:22,484 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:22,485 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, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:53:22,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:53:22,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:22,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:22,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1421944847, now seen corresponding path program 1 times
[2022-11-02 20:53:22,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:22,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756580816]
[2022-11-02 20:53:22,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2022-11-02 20:53:22,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:22,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756580816]
[2022-11-02 20:53:22,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756580816] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:22,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:22,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:53:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711843322]
[2022-11-02 20:53:22,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:22,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:22,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:22,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:22,800 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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)
[2022-11-02 20:53:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:23,700 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions.
[2022-11-02 20:53:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:23,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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 185
[2022-11-02 20:53:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:23,704 INFO L225 Difference]: With dead ends: 1074
[2022-11-02 20:53:23,704 INFO L226 Difference]: Without dead ends: 716
[2022-11-02 20:53:23,706 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
[2022-11-02 20:53:23,707 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 125 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:23,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 57 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-11-02 20:53:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states.
[2022-11-02 20:53:23,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716.
[2022-11-02 20:53:23,739 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)
[2022-11-02 20:53:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions.
[2022-11-02 20:53:23,741 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 185
[2022-11-02 20:53:23,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:23,742 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions.
[2022-11-02 20:53:23,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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)
[2022-11-02 20:53:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions.
[2022-11-02 20:53:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2022-11-02 20:53:23,750 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:23,750 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:53:23,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:53:23,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:23,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash 292011490, now seen corresponding path program 1 times
[2022-11-02 20:53:23,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:23,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325753729]
[2022-11-02 20:53:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2022-11-02 20:53:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:24,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325753729]
[2022-11-02 20:53:24,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325753729] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:24,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:24,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:24,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856610437]
[2022-11-02 20:53:24,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:24,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:53:24,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:24,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:53:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:53:24,253 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 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)
[2022-11-02 20:53:25,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:25,237 INFO L93 Difference]: Finished difference Result 1637 states and 2268 transitions.
[2022-11-02 20:53:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:53:25,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 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 208
[2022-11-02 20:53:25,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:25,242 INFO L225 Difference]: With dead ends: 1637
[2022-11-02 20:53:25,243 INFO L226 Difference]: Without dead ends: 1072
[2022-11-02 20:53:25,244 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
[2022-11-02 20:53:25,245 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 112 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:25,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 113 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-11-02 20:53:25,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states.
[2022-11-02 20:53:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894.
[2022-11-02 20:53:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 893 states have (on average 1.1724524076147815) internal successors, (1047), 893 states have internal predecessors, (1047), 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)
[2022-11-02 20:53:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions.
[2022-11-02 20:53:25,285 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 208
[2022-11-02 20:53:25,285 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:25,286 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions.
[2022-11-02 20:53:25,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 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)
[2022-11-02 20:53:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions.
[2022-11-02 20:53:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340
[2022-11-02 20:53:25,306 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:25,306 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:25,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:53:25,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:25,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1977723078, now seen corresponding path program 1 times
[2022-11-02 20:53:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:25,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853664684]
[2022-11-02 20:53:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 168 proven. 130 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2022-11-02 20:53:26,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:26,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853664684]
[2022-11-02 20:53:26,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853664684] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:26,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243992784]
[2022-11-02 20:53:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:26,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:26,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:26,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:26,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:53:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:26,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:53:26,482 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked.
[2022-11-02 20:53:26,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:53:26,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243992784] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:26,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:53:26,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2022-11-02 20:53:26,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344347300]
[2022-11-02 20:53:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:26,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:26,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:26,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:26,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:53:26,646 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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)
[2022-11-02 20:53:27,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:27,493 INFO L93 Difference]: Finished difference Result 2320 states and 2778 transitions.
[2022-11-02 20:53:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:27,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 339
[2022-11-02 20:53:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:27,504 INFO L225 Difference]: With dead ends: 2320
[2022-11-02 20:53:27,504 INFO L226 Difference]: Without dead ends: 1606
[2022-11-02 20:53:27,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:53:27,507 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 144 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:27,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 265 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-02 20:53:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2022-11-02 20:53:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428.
[2022-11-02 20:53:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 1.1401541695865451) internal successors, (1627), 1427 states have internal predecessors, (1627), 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)
[2022-11-02 20:53:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1627 transitions.
[2022-11-02 20:53:27,545 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1627 transitions. Word has length 339
[2022-11-02 20:53:27,546 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:27,547 INFO L495 AbstractCegarLoop]: Abstraction has 1428 states and 1627 transitions.
[2022-11-02 20:53:27,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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)
[2022-11-02 20:53:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1627 transitions.
[2022-11-02 20:53:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439
[2022-11-02 20:53:27,556 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:27,557 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:27,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:27,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -474273995, now seen corresponding path program 1 times
[2022-11-02 20:53:27,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:27,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819380443]
[2022-11-02 20:53:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:27,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2022-11-02 20:53:28,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:28,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819380443]
[2022-11-02 20:53:28,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819380443] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:28,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:28,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:28,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826006061]
[2022-11-02 20:53:28,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:28,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:28,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:28,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:28,674 INFO L87 Difference]: Start difference. First operand 1428 states and 1627 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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)
[2022-11-02 20:53:29,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:29,500 INFO L93 Difference]: Finished difference Result 3210 states and 3757 transitions.
[2022-11-02 20:53:29,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:29,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 438
[2022-11-02 20:53:29,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:29,510 INFO L225 Difference]: With dead ends: 3210
[2022-11-02 20:53:29,511 INFO L226 Difference]: Without dead ends: 1962
[2022-11-02 20:53:29,513 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
[2022-11-02 20:53:29,516 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 73 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:29,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 76 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-02 20:53:29,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2022-11-02 20:53:29,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962.
[2022-11-02 20:53:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.1274859765425804) internal successors, (2211), 1961 states have internal predecessors, (2211), 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)
[2022-11-02 20:53:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2211 transitions.
[2022-11-02 20:53:29,574 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2211 transitions. Word has length 438
[2022-11-02 20:53:29,575 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:29,576 INFO L495 AbstractCegarLoop]: Abstraction has 1962 states and 2211 transitions.
[2022-11-02 20:53:29,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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)
[2022-11-02 20:53:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2211 transitions.
[2022-11-02 20:53:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463
[2022-11-02 20:53:29,589 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:29,589 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2022-11-02 20:53:29,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:53:29,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:29,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:29,592 INFO L85 PathProgramCache]: Analyzing trace with hash 708625393, now seen corresponding path program 1 times
[2022-11-02 20:53:29,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:29,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471343344]
[2022-11-02 20:53:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked.
[2022-11-02 20:53:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:30,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471343344]
[2022-11-02 20:53:30,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471343344] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:30,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:30,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039801511]
[2022-11-02 20:53:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:30,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:53:30,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:30,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:53:30,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:53:30,501 INFO L87 Difference]: Start difference. First operand 1962 states and 2211 transitions. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 3 states have internal predecessors, (347), 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)
[2022-11-02 20:53:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:31,668 INFO L93 Difference]: Finished difference Result 4100 states and 4616 transitions.
[2022-11-02 20:53:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:53:31,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 3 states have internal predecessors, (347), 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 462
[2022-11-02 20:53:31,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:31,678 INFO L225 Difference]: With dead ends: 4100
[2022-11-02 20:53:31,678 INFO L226 Difference]: Without dead ends: 2318
[2022-11-02 20:53:31,684 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
[2022-11-02 20:53:31,689 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 126 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:31,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 91 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-11-02 20:53:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states.
[2022-11-02 20:53:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318.
[2022-11-02 20:53:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.1135088476478205) internal successors, (2580), 2317 states have internal predecessors, (2580), 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)
[2022-11-02 20:53:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2580 transitions.
[2022-11-02 20:53:31,746 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2580 transitions. Word has length 462
[2022-11-02 20:53:31,746 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:31,747 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 2580 transitions.
[2022-11-02 20:53:31,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 3 states have internal predecessors, (347), 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)
[2022-11-02 20:53:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2580 transitions.
[2022-11-02 20:53:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519
[2022-11-02 20:53:31,761 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:31,762 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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]
[2022-11-02 20:53:31,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:53:31,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash -301954776, now seen corresponding path program 1 times
[2022-11-02 20:53:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:31,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708954843]
[2022-11-02 20:53:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 695 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked.
[2022-11-02 20:53:32,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:32,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708954843]
[2022-11-02 20:53:32,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708954843] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:32,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:32,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429005075]
[2022-11-02 20:53:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:32,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:53:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:53:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:53:32,434 INFO L87 Difference]: Start difference. First operand 2318 states and 2580 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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)
[2022-11-02 20:53:33,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:33,387 INFO L93 Difference]: Finished difference Result 4692 states and 5227 transitions.
[2022-11-02 20:53:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:53:33,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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 518
[2022-11-02 20:53:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:33,396 INFO L225 Difference]: With dead ends: 4692
[2022-11-02 20:53:33,396 INFO L226 Difference]: Without dead ends: 2496
[2022-11-02 20:53:33,399 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
[2022-11-02 20:53:33,400 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:33,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 17 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-11-02 20:53:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states.
[2022-11-02 20:53:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318.
[2022-11-02 20:53:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.0811394044022442) internal successors, (2505), 2317 states have internal predecessors, (2505), 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)
[2022-11-02 20:53:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2505 transitions.
[2022-11-02 20:53:33,460 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2505 transitions. Word has length 518
[2022-11-02 20:53:33,461 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:33,461 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 2505 transitions.
[2022-11-02 20:53:33,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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)
[2022-11-02 20:53:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2505 transitions.
[2022-11-02 20:53:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545
[2022-11-02 20:53:33,474 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:33,475 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:33,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:53:33,475 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:33,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:33,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1710737047, now seen corresponding path program 2 times
[2022-11-02 20:53:33,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:33,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415381599]
[2022-11-02 20:53:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 771 proven. 11 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:34,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:34,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415381599]
[2022-11-02 20:53:34,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415381599] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:34,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171118408]
[2022-11-02 20:53:34,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-02 20:53:34,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:34,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:34,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:34,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:53:34,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-02 20:53:34,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:53:34,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:53:34,676 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked.
[2022-11-02 20:53:34,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:53:34,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171118408] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:34,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:53:34,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:53:34,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526136022]
[2022-11-02 20:53:34,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:34,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:34,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:34,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:34,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:34,782 INFO L87 Difference]: Start difference. First operand 2318 states and 2505 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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)
[2022-11-02 20:53:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:35,445 INFO L93 Difference]: Finished difference Result 4990 states and 5469 transitions.
[2022-11-02 20:53:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 544
[2022-11-02 20:53:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:35,455 INFO L225 Difference]: With dead ends: 4990
[2022-11-02 20:53:35,455 INFO L226 Difference]: Without dead ends: 2852
[2022-11-02 20:53:35,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:35,459 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 144 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:35,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 234 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states.
[2022-11-02 20:53:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2674.
[2022-11-02 20:53:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.0849233071455293) internal successors, (2900), 2673 states have internal predecessors, (2900), 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)
[2022-11-02 20:53:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2900 transitions.
[2022-11-02 20:53:35,514 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2900 transitions. Word has length 544
[2022-11-02 20:53:35,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:35,515 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 2900 transitions.
[2022-11-02 20:53:35,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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)
[2022-11-02 20:53:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2900 transitions.
[2022-11-02 20:53:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564
[2022-11-02 20:53:35,531 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:35,531 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:35,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:35,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:35,758 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:35,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:35,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1142838438, now seen corresponding path program 1 times
[2022-11-02 20:53:35,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:35,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173743796]
[2022-11-02 20:53:35,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 847 proven. 11 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:36,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:36,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173743796]
[2022-11-02 20:53:36,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173743796] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:36,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509018246]
[2022-11-02 20:53:36,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:36,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:36,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:36,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:36,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:53:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:36,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:53:36,898 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked.
[2022-11-02 20:53:36,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:53:36,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509018246] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:36,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:53:36,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:53:36,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225149788]
[2022-11-02 20:53:36,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:36,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:36,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:36,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:36,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:36,977 INFO L87 Difference]: Start difference. First operand 2674 states and 2900 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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)
[2022-11-02 20:53:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:37,589 INFO L93 Difference]: Finished difference Result 5168 states and 5619 transitions.
[2022-11-02 20:53:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:37,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 563
[2022-11-02 20:53:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:37,606 INFO L225 Difference]: With dead ends: 5168
[2022-11-02 20:53:37,607 INFO L226 Difference]: Without dead ends: 2674
[2022-11-02 20:53:37,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:37,609 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 147 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:37,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 193 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states.
[2022-11-02 20:53:37,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496.
[2022-11-02 20:53:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.0797595190380762) internal successors, (2694), 2495 states have internal predecessors, (2694), 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)
[2022-11-02 20:53:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2694 transitions.
[2022-11-02 20:53:37,662 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2694 transitions. Word has length 563
[2022-11-02 20:53:37,663 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:37,663 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 2694 transitions.
[2022-11-02 20:53:37,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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)
[2022-11-02 20:53:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2694 transitions.
[2022-11-02 20:53:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578
[2022-11-02 20:53:37,669 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:37,670 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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]
[2022-11-02 20:53:37,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:37,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:37,898 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:37,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:37,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1890446935, now seen corresponding path program 1 times
[2022-11-02 20:53:37,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:37,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024182839]
[2022-11-02 20:53:37,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:37,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 868 proven. 11 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:38,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:38,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024182839]
[2022-11-02 20:53:38,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024182839] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:38,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450316900]
[2022-11-02 20:53:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:38,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:38,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:38,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-02 20:53:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:38,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:53:38,947 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked.
[2022-11-02 20:53:39,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:53:39,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450316900] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:39,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:53:39,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2022-11-02 20:53:39,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992491280]
[2022-11-02 20:53:39,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:39,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:39,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:39,606 INFO L87 Difference]: Start difference. First operand 2496 states and 2694 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 2 states have internal predecessors, (229), 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)
[2022-11-02 20:53:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:40,155 INFO L93 Difference]: Finished difference Result 5346 states and 5793 transitions.
[2022-11-02 20:53:40,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:40,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 2 states have internal predecessors, (229), 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 577
[2022-11-02 20:53:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:40,165 INFO L225 Difference]: With dead ends: 5346
[2022-11-02 20:53:40,165 INFO L226 Difference]: Without dead ends: 3208
[2022-11-02 20:53:40,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:40,169 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
[2022-11-02 20:53:40,169 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]
[2022-11-02 20:53:40,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states.
[2022-11-02 20:53:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030.
[2022-11-02 20:53:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 3029 states have (on average 1.0759326510399472) internal successors, (3259), 3029 states have internal predecessors, (3259), 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)
[2022-11-02 20:53:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3259 transitions.
[2022-11-02 20:53:40,233 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3259 transitions. Word has length 577
[2022-11-02 20:53:40,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:40,234 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 3259 transitions.
[2022-11-02 20:53:40,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 2 states have internal predecessors, (229), 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)
[2022-11-02 20:53:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3259 transitions.
[2022-11-02 20:53:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647
[2022-11-02 20:53:40,241 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:40,242 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, 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, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:40,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:40,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-02 20:53:40,462 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1033133778, now seen corresponding path program 1 times
[2022-11-02 20:53:40,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:40,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103264236]
[2022-11-02 20:53:40,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 1115 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked.
[2022-11-02 20:53:41,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:41,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103264236]
[2022-11-02 20:53:41,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103264236] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:41,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:41,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:41,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899378462]
[2022-11-02 20:53:41,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:41,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:41,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:41,194 INFO L87 Difference]: Start difference. First operand 3030 states and 3259 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:53:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:41,790 INFO L93 Difference]: Finished difference Result 6058 states and 6547 transitions.
[2022-11-02 20:53:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 646
[2022-11-02 20:53:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:41,801 INFO L225 Difference]: With dead ends: 6058
[2022-11-02 20:53:41,802 INFO L226 Difference]: Without dead ends: 3386
[2022-11-02 20:53:41,804 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
[2022-11-02 20:53:41,805 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 110 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:41,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 245 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states.
[2022-11-02 20:53:41,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208.
[2022-11-02 20:53:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.0723417524165888) internal successors, (3439), 3207 states have internal predecessors, (3439), 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)
[2022-11-02 20:53:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3439 transitions.
[2022-11-02 20:53:41,893 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3439 transitions. Word has length 646
[2022-11-02 20:53:41,894 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:41,894 INFO L495 AbstractCegarLoop]: Abstraction has 3208 states and 3439 transitions.
[2022-11-02 20:53:41,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:53:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3439 transitions.
[2022-11-02 20:53:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652
[2022-11-02 20:53:41,905 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:41,906 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:41,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:53:41,906 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:41,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:41,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2022748667, now seen corresponding path program 1 times
[2022-11-02 20:53:41,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:41,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994138858]
[2022-11-02 20:53:41,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:41,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 900 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:42,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:42,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994138858]
[2022-11-02 20:53:42,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994138858] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:42,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:42,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:42,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016464027]
[2022-11-02 20:53:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:42,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:42,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:42,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:42,349 INFO L87 Difference]: Start difference. First operand 3208 states and 3439 transitions. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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)
[2022-11-02 20:53:42,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:42,988 INFO L93 Difference]: Finished difference Result 7660 states and 8280 transitions.
[2022-11-02 20:53:42,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:42,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 651
[2022-11-02 20:53:42,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:43,003 INFO L225 Difference]: With dead ends: 7660
[2022-11-02 20:53:43,003 INFO L226 Difference]: Without dead ends: 4632
[2022-11-02 20:53:43,006 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
[2022-11-02 20:53:43,006 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:43,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 52 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states.
[2022-11-02 20:53:43,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 4632.
[2022-11-02 20:53:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4632 states, 4631 states have (on average 1.07147484344634) internal successors, (4962), 4631 states have internal predecessors, (4962), 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)
[2022-11-02 20:53:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4962 transitions.
[2022-11-02 20:53:43,123 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4962 transitions. Word has length 651
[2022-11-02 20:53:43,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:43,124 INFO L495 AbstractCegarLoop]: Abstraction has 4632 states and 4962 transitions.
[2022-11-02 20:53:43,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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)
[2022-11-02 20:53:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4962 transitions.
[2022-11-02 20:53:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654
[2022-11-02 20:53:43,135 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:43,135 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, 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, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:43,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 20:53:43,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:43,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash -581865813, now seen corresponding path program 1 times
[2022-11-02 20:53:43,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:43,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610901816]
[2022-11-02 20:53:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked.
[2022-11-02 20:53:43,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:43,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610901816]
[2022-11-02 20:53:43,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610901816] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:43,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:43,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:43,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734995690]
[2022-11-02 20:53:43,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:43,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:43,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:43,775 INFO L87 Difference]: Start difference. First operand 4632 states and 4962 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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)
[2022-11-02 20:53:44,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:44,410 INFO L93 Difference]: Finished difference Result 9974 states and 10752 transitions.
[2022-11-02 20:53:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:44,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 653
[2022-11-02 20:53:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:44,428 INFO L225 Difference]: With dead ends: 9974
[2022-11-02 20:53:44,428 INFO L226 Difference]: Without dead ends: 5522
[2022-11-02 20:53:44,432 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
[2022-11-02 20:53:44,433 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 113 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:44,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 202 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states.
[2022-11-02 20:53:44,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4988.
[2022-11-02 20:53:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4988 states, 4987 states have (on average 1.0675756968117105) internal successors, (5324), 4987 states have internal predecessors, (5324), 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)
[2022-11-02 20:53:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5324 transitions.
[2022-11-02 20:53:44,526 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5324 transitions. Word has length 653
[2022-11-02 20:53:44,526 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:44,527 INFO L495 AbstractCegarLoop]: Abstraction has 4988 states and 5324 transitions.
[2022-11-02 20:53:44,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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)
[2022-11-02 20:53:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5324 transitions.
[2022-11-02 20:53:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731
[2022-11-02 20:53:44,536 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:44,536 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, 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, 5, 5, 5, 5, 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]
[2022-11-02 20:53:44,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-02 20:53:44,537 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:44,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:44,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1375137372, now seen corresponding path program 1 times
[2022-11-02 20:53:44,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:44,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797375208]
[2022-11-02 20:53:44,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:44,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 1543 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2022-11-02 20:53:45,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:45,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797375208]
[2022-11-02 20:53:45,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797375208] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:45,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:45,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:45,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817455833]
[2022-11-02 20:53:45,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:45,185 INFO L87 Difference]: Start difference. First operand 4988 states and 5324 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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)
[2022-11-02 20:53:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:45,745 INFO L93 Difference]: Finished difference Result 9796 states and 10467 transitions.
[2022-11-02 20:53:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:45,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 730
[2022-11-02 20:53:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:45,768 INFO L225 Difference]: With dead ends: 9796
[2022-11-02 20:53:45,769 INFO L226 Difference]: Without dead ends: 4988
[2022-11-02 20:53:45,772 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
[2022-11-02 20:53:45,773 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:45,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 243 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:53:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states.
[2022-11-02 20:53:45,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4810.
[2022-11-02 20:53:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 4809 states have (on average 1.0642545227698066) internal successors, (5118), 4809 states have internal predecessors, (5118), 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)
[2022-11-02 20:53:45,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5118 transitions.
[2022-11-02 20:53:45,857 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5118 transitions. Word has length 730
[2022-11-02 20:53:45,858 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:45,858 INFO L495 AbstractCegarLoop]: Abstraction has 4810 states and 5118 transitions.
[2022-11-02 20:53:45,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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)
[2022-11-02 20:53:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5118 transitions.
[2022-11-02 20:53:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807
[2022-11-02 20:53:45,868 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:45,869 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:45,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-02 20:53:45,869 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:45,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -253890537, now seen corresponding path program 1 times
[2022-11-02 20:53:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160988005]
[2022-11-02 20:53:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 1373 proven. 155 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:46,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:46,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160988005]
[2022-11-02 20:53:46,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160988005] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:46,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496048149]
[2022-11-02 20:53:46,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:46,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:46,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:46,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:46,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-11-02 20:53:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:46,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:53:46,940 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 1373 proven. 155 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:47,481 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:53:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 1373 proven. 155 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked.
[2022-11-02 20:53:47,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496048149] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:53:47,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:53:47,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2022-11-02 20:53:47,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883491795]
[2022-11-02 20:53:47,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:53:47,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:53:47,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:47,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:53:47,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:47,938 INFO L87 Difference]: Start difference. First operand 4810 states and 5118 transitions. Second operand has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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)
[2022-11-02 20:53:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:49,140 INFO L93 Difference]: Finished difference Result 10864 states and 11594 transitions.
[2022-11-02 20:53:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:53:49,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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 806
[2022-11-02 20:53:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:49,149 INFO L225 Difference]: With dead ends: 10864
[2022-11-02 20:53:49,149 INFO L226 Difference]: Without dead ends: 6234
[2022-11-02 20:53:49,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1610 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:49,154 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 69 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:49,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 69 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-11-02 20:53:49,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states.
[2022-11-02 20:53:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 5522.
[2022-11-02 20:53:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 5521 states have (on average 1.0648433254845138) internal successors, (5879), 5521 states have internal predecessors, (5879), 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)
[2022-11-02 20:53:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 5879 transitions.
[2022-11-02 20:53:49,254 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 5879 transitions. Word has length 806
[2022-11-02 20:53:49,255 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:49,255 INFO L495 AbstractCegarLoop]: Abstraction has 5522 states and 5879 transitions.
[2022-11-02 20:53:49,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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)
[2022-11-02 20:53:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 5879 transitions.
[2022-11-02 20:53:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879
[2022-11-02 20:53:49,271 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:49,272 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:49,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:49,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:49,486 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash -685925002, now seen corresponding path program 1 times
[2022-11-02 20:53:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:49,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062790686]
[2022-11-02 20:53:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2343 backedges. 1521 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked.
[2022-11-02 20:53:50,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:50,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062790686]
[2022-11-02 20:53:50,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062790686] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:50,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:50,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:50,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919989268]
[2022-11-02 20:53:50,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:50,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:50,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:50,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:50,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:50,010 INFO L87 Difference]: Start difference. First operand 5522 states and 5879 transitions. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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)
[2022-11-02 20:53:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:50,622 INFO L93 Difference]: Finished difference Result 11398 states and 12174 transitions.
[2022-11-02 20:53:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:50,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 878
[2022-11-02 20:53:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:50,633 INFO L225 Difference]: With dead ends: 11398
[2022-11-02 20:53:50,633 INFO L226 Difference]: Without dead ends: 6056
[2022-11-02 20:53:50,637 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
[2022-11-02 20:53:50,638 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 110 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:50,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 31 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:53:50,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states.
[2022-11-02 20:53:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 6056.
[2022-11-02 20:53:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6056 states, 6055 states have (on average 1.060280759702725) internal successors, (6420), 6055 states have internal predecessors, (6420), 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)
[2022-11-02 20:53:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6056 states to 6056 states and 6420 transitions.
[2022-11-02 20:53:50,737 INFO L78 Accepts]: Start accepts. Automaton has 6056 states and 6420 transitions. Word has length 878
[2022-11-02 20:53:50,737 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:50,737 INFO L495 AbstractCegarLoop]: Abstraction has 6056 states and 6420 transitions.
[2022-11-02 20:53:50,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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)
[2022-11-02 20:53:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6056 states and 6420 transitions.
[2022-11-02 20:53:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897
[2022-11-02 20:53:50,748 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:50,749 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:50,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-02 20:53:50,749 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:50,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:50,750 INFO L85 PathProgramCache]: Analyzing trace with hash -32320893, now seen corresponding path program 1 times
[2022-11-02 20:53:50,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:50,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767988109]
[2022-11-02 20:53:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:50,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 1590 proven. 93 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked.
[2022-11-02 20:53:51,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:51,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767988109]
[2022-11-02 20:53:51,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767988109] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:53:51,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193245001]
[2022-11-02 20:53:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:53:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:51,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:53:51,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-11-02 20:53:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:51,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:53:52,013 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:53:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 1683 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked.
[2022-11-02 20:53:52,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:53:52,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193245001] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:52,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:53:52,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:53:52,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428514095]
[2022-11-02 20:53:52,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:52,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:52,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:52,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:52,630 INFO L87 Difference]: Start difference. First operand 6056 states and 6420 transitions. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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)
[2022-11-02 20:53:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:53,165 INFO L93 Difference]: Finished difference Result 12110 states and 12849 transitions.
[2022-11-02 20:53:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:53,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 896
[2022-11-02 20:53:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:53,176 INFO L225 Difference]: With dead ends: 12110
[2022-11-02 20:53:53,176 INFO L226 Difference]: Without dead ends: 6234
[2022-11-02 20:53:53,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 895 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:53:53,181 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:53,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 65 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:53:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states.
[2022-11-02 20:53:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 6056.
[2022-11-02 20:53:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6056 states, 6055 states have (on average 1.061271676300578) internal successors, (6426), 6055 states have internal predecessors, (6426), 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)
[2022-11-02 20:53:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6056 states to 6056 states and 6426 transitions.
[2022-11-02 20:53:53,274 INFO L78 Accepts]: Start accepts. Automaton has 6056 states and 6426 transitions. Word has length 896
[2022-11-02 20:53:53,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:53,275 INFO L495 AbstractCegarLoop]: Abstraction has 6056 states and 6426 transitions.
[2022-11-02 20:53:53,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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)
[2022-11-02 20:53:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6056 states and 6426 transitions.
[2022-11-02 20:53:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967
[2022-11-02 20:53:53,287 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:53,288 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:53,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-11-02 20:53:53,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-11-02 20:53:53,514 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:53,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:53,515 INFO L85 PathProgramCache]: Analyzing trace with hash -546976195, now seen corresponding path program 1 times
[2022-11-02 20:53:53,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:53,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521225155]
[2022-11-02 20:53:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 2083 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked.
[2022-11-02 20:53:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:54,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521225155]
[2022-11-02 20:53:54,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521225155] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:54,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:54,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328883612]
[2022-11-02 20:53:54,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:54,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:54,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:54,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:54,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:54,355 INFO L87 Difference]: Start difference. First operand 6056 states and 6426 transitions. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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)
[2022-11-02 20:53:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:54,888 INFO L93 Difference]: Finished difference Result 11754 states and 12491 transitions.
[2022-11-02 20:53:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:54,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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 966
[2022-11-02 20:53:54,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:54,896 INFO L225 Difference]: With dead ends: 11754
[2022-11-02 20:53:54,897 INFO L226 Difference]: Without dead ends: 5878
[2022-11-02 20:53:54,901 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
[2022-11-02 20:53:54,902 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 21 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:54,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 227 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:53:54,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states.
[2022-11-02 20:53:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5878.
[2022-11-02 20:53:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 5877 states have (on average 1.0535987748851454) internal successors, (6192), 5877 states have internal predecessors, (6192), 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)
[2022-11-02 20:53:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 6192 transitions.
[2022-11-02 20:53:54,989 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 6192 transitions. Word has length 966
[2022-11-02 20:53:54,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:54,990 INFO L495 AbstractCegarLoop]: Abstraction has 5878 states and 6192 transitions.
[2022-11-02 20:53:54,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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)
[2022-11-02 20:53:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 6192 transitions.
[2022-11-02 20:53:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017
[2022-11-02 20:53:55,003 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:55,004 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:55,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-11-02 20:53:55,004 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:55,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:55,005 INFO L85 PathProgramCache]: Analyzing trace with hash 768432675, now seen corresponding path program 1 times
[2022-11-02 20:53:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:55,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466638283]
[2022-11-02 20:53:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:55,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3684 backedges. 1709 proven. 0 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked.
[2022-11-02 20:53:56,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:56,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466638283]
[2022-11-02 20:53:56,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466638283] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:56,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:56,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:53:56,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342432331]
[2022-11-02 20:53:56,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:56,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:53:56,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:56,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:53:56,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:53:56,071 INFO L87 Difference]: Start difference. First operand 5878 states and 6192 transitions. Second operand has 7 states, 7 states have (on average 49.857142857142854) internal successors, (349), 6 states have internal predecessors, (349), 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)
[2022-11-02 20:53:57,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:57,018 INFO L93 Difference]: Finished difference Result 11292 states and 11883 transitions.
[2022-11-02 20:53:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:53:57,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 49.857142857142854) internal successors, (349), 6 states have internal predecessors, (349), 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 1016
[2022-11-02 20:53:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:57,034 INFO L225 Difference]: With dead ends: 11292
[2022-11-02 20:53:57,035 INFO L226 Difference]: Without dead ends: 5344
[2022-11-02 20:53:57,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:53:57,042 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 79 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:57,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 33 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-11-02 20:53:57,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states.
[2022-11-02 20:53:57,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5166.
[2022-11-02 20:53:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5165 states have (on average 1.0433688286544047) internal successors, (5389), 5165 states have internal predecessors, (5389), 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)
[2022-11-02 20:53:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5389 transitions.
[2022-11-02 20:53:57,127 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5389 transitions. Word has length 1016
[2022-11-02 20:53:57,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:57,128 INFO L495 AbstractCegarLoop]: Abstraction has 5166 states and 5389 transitions.
[2022-11-02 20:53:57,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.857142857142854) internal successors, (349), 6 states have internal predecessors, (349), 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)
[2022-11-02 20:53:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5389 transitions.
[2022-11-02 20:53:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049
[2022-11-02 20:53:57,141 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:57,142 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:57,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-11-02 20:53:57,142 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 659097908, now seen corresponding path program 1 times
[2022-11-02 20:53:57,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:57,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636645065]
[2022-11-02 20:53:57,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3560 backedges. 1091 proven. 0 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked.
[2022-11-02 20:53:58,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:58,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636645065]
[2022-11-02 20:53:58,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636645065] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:58,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:58,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:58,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910950507]
[2022-11-02 20:53:58,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:58,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:53:58,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:58,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:53:58,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:53:58,507 INFO L87 Difference]: Start difference. First operand 5166 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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)
[2022-11-02 20:53:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:59,056 INFO L93 Difference]: Finished difference Result 10152 states and 10597 transitions.
[2022-11-02 20:53:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:53:59,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 1048
[2022-11-02 20:53:59,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:59,062 INFO L225 Difference]: With dead ends: 10152
[2022-11-02 20:53:59,062 INFO L226 Difference]: Without dead ends: 5166
[2022-11-02 20:53:59,066 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
[2022-11-02 20:53:59,067 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 66 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:59,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 233 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:53:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states.
[2022-11-02 20:53:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166.
[2022-11-02 20:53:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5165 states have (on average 1.0358180058083253) internal successors, (5350), 5165 states have internal predecessors, (5350), 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)
[2022-11-02 20:53:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5350 transitions.
[2022-11-02 20:53:59,146 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5350 transitions. Word has length 1048
[2022-11-02 20:53:59,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:59,147 INFO L495 AbstractCegarLoop]: Abstraction has 5166 states and 5350 transitions.
[2022-11-02 20:53:59,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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)
[2022-11-02 20:53:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5350 transitions.
[2022-11-02 20:53:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097
[2022-11-02 20:53:59,161 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:59,161 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:53:59,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-11-02 20:53:59,162 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:53:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:59,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1358554948, now seen corresponding path program 1 times
[2022-11-02 20:53:59,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:59,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759238819]
[2022-11-02 20:53:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:59,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:54:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 2746 proven. 72 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked.
[2022-11-02 20:54:00,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:54:00,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759238819]
[2022-11-02 20:54:00,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759238819] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:54:00,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307297914]
[2022-11-02 20:54:00,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:54:00,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:54:00,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:54:00,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:54:00,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-11-02 20:54:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:54:01,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:54:01,231 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:54:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 2705 proven. 666 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked.
[2022-11-02 20:54:02,212 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:54:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 2818 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked.
[2022-11-02 20:54:02,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307297914] provided 1 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:54:02,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2022-11-02 20:54:02,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 6] total 9
[2022-11-02 20:54:02,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093880420]
[2022-11-02 20:54:02,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:54:02,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:54:02,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:54:02,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:54:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:54:02,877 INFO L87 Difference]: Start difference. First operand 5166 states and 5350 transitions. Second operand has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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)
[2022-11-02 20:54:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:54:03,556 INFO L93 Difference]: Finished difference Result 10328 states and 10706 transitions.
[2022-11-02 20:54:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:54:03,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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 1096
[2022-11-02 20:54:03,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:54:03,559 INFO L225 Difference]: With dead ends: 10328
[2022-11-02 20:54:03,560 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:54:03,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2195 GetRequests, 2188 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:54:03,564 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 314 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:54:03,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 8 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:54:03,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:54:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:54:03,565 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)
[2022-11-02 20:54:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:54:03,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1096
[2022-11-02 20:54:03,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:54:03,565 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:54:03,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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)
[2022-11-02 20:54:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:54:03,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:54:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:54:03,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-11-02 20:54:03,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2022-11-02 20:54:03,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:54:05,081 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,082 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed.
[2022-11-02 20:54:05,082 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,082 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,082 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,082 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,083 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,084 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,085 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,086 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,086 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2022-11-02 20:54:05,086 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2022-11-02 20:54:05,086 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2022-11-02 20:54:05,086 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,088 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,088 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,088 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,088 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2022-11-02 20:54:05,089 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,090 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,090 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,090 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,091 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,091 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2022-11-02 20:54:05,092 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2022-11-02 20:54:05,093 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,093 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,093 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,093 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2022-11-02 20:54:05,094 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,095 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,095 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,096 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,096 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,096 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,096 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,096 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,097 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,098 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,099 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,100 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2022-11-02 20:54:05,101 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2022-11-02 20:54:05,101 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,102 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:54:05,103 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,104 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2022-11-02 20:54:05,105 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,106 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,107 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,108 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,109 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2022-11-02 20:54:05,110 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,111 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2022-11-02 20:54:05,112 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,113 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,114 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:54:05,115 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,116 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,117 INFO L895 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse6 (<= 8 ~a21~0)) (.cse4 (<= ~a21~0 6)) (.cse1 (< ~a12~0 600061)) (.cse2 (not (= 7 ~a15~0))) (.cse5 (+ ~a12~0 43)) (.cse0 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 (< 80 ~a12~0) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 (not (<= .cse5 0))) (and .cse0 .cse1 (<= 10 ~a21~0)) (and .cse0 .cse3 .cse1 .cse6) (and .cse0 (= 5 ~a15~0) (= ~a21~0 6)) (and .cse0 .cse1 .cse6 (<= ~a21~0 8)) (and .cse3 .cse4 (<= (+ 49 ~a12~0) 0)) (and .cse0 .cse1 (<= ~a21~0 7) .cse2 (< 0 .cse5)) (and (<= ~a12~0 11) .cse0 (<= 7 ~a21~0) .cse3)))
[2022-11-02 20:54:05,117 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,117 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,117 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,118 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,119 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,119 INFO L902 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true
[2022-11-02 20:54:05,119 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,119 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,119 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2022-11-02 20:54:05,119 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,121 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,122 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse6 (<= 8 ~a21~0)) (.cse4 (<= ~a21~0 6)) (.cse1 (< ~a12~0 600061)) (.cse2 (not (= 7 ~a15~0))) (.cse5 (+ ~a12~0 43)) (.cse0 (= ~a24~0 1)) (.cse3 (<= ~a15~0 8))) (or (and .cse0 (< 80 ~a12~0) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 (not (<= .cse5 0))) (and .cse0 .cse1 (<= 10 ~a21~0)) (and .cse0 .cse3 .cse1 .cse6) (and .cse0 (= 5 ~a15~0) (= ~a21~0 6)) (and .cse0 .cse1 .cse6 (<= ~a21~0 8)) (and .cse3 .cse4 (<= (+ 49 ~a12~0) 0)) (and .cse0 .cse1 (<= ~a21~0 7) .cse2 (< 0 .cse5)) (and (<= ~a12~0 11) .cse0 (<= 7 ~a21~0) .cse3)))
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2022-11-02 20:54:05,123 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,124 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed.
[2022-11-02 20:54:05,125 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed.
[2022-11-02 20:54:05,125 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2022-11-02 20:54:05,125 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2022-11-02 20:54:05,125 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2022-11-02 20:54:05,129 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:54:05,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:54:05,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:54:05 BoogieIcfgContainer
[2022-11-02 20:54:05,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:54:05,150 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:54:05,150 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:54:05,150 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:54:05,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:19" (3/4) ...
[2022-11-02 20:54:05,154 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:54:05,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:54:05,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:54:05,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:54:05,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:54:05,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:54:05,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:54:05,330 INFO L158 Benchmark]: Toolchain (without parser) took 48722.57ms. Allocated memory was 132.1MB in the beginning and 1.0GB in the end (delta: 885.0MB). Free memory was 95.0MB in the beginning and 926.9MB in the end (delta: -831.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,331 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:54:05,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.41ms. Allocated memory is still 132.1MB. Free memory was 94.8MB in the beginning and 86.6MB in the end (delta: 8.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.71ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 76.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,332 INFO L158 Benchmark]: Boogie Preprocessor took 101.13ms. Allocated memory is still 132.1MB. Free memory was 76.7MB in the beginning and 71.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,332 INFO L158 Benchmark]: RCFGBuilder took 1944.10ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 72.6MB in the end (delta: -2.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,334 INFO L158 Benchmark]: TraceAbstraction took 45504.36ms. Allocated memory was 132.1MB in the beginning and 1.0GB in the end (delta: 885.0MB). Free memory was 71.9MB in the beginning and 939.5MB in the end (delta: -867.6MB). Peak memory consumption was 481.2MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,334 INFO L158 Benchmark]: Witness Printer took 179.81ms. Allocated memory is still 1.0GB. Free memory was 938.5MB in the beginning and 926.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:54:05,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 836.41ms. Allocated memory is still 132.1MB. Free memory was 94.8MB in the beginning and 86.6MB in the end (delta: 8.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 145.71ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 76.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 101.13ms. Allocated memory is still 132.1MB. Free memory was 76.7MB in the beginning and 71.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1944.10ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 72.6MB in the end (delta: -2.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 45504.36ms. Allocated memory was 132.1MB in the beginning and 1.0GB in the end (delta: 885.0MB). Free memory was 71.9MB in the beginning and 939.5MB in the end (delta: -867.6MB). Peak memory consumption was 481.2MB. Max. memory is 16.1GB.
* Witness Printer took 179.81ms. Allocated memory is still 1.0GB. Free memory was 938.5MB in the beginning and 926.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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: 125]: 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: 45.4s, OverallIterations: 21, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2647 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2647 mSDsluCounter, 2548 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 1570 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11789 IncrementalHoareTripleChecker+Invalid, 13359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1570 mSolverCounterUnsat, 2408 mSDtfsCounter, 11789 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6789 GetRequests, 6734 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6056occurred in iteration=16, InterpolantAutomatonStates: 74, 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, 21 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 249 HoareAnnotationTreeSize, 3 FomulaSimplifications, 486 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4006 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 18078 NumberOfCodeBlocks, 18078 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 19950 ConstructedInterpolants, 0 QuantifiedInterpolants, 56618 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6157 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 50163/51622 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 && 80 < a12) && a12 < 600061) && !(7 == a15)) || ((((a24 == 1 && a15 <= 8) && a21 <= 6) && a12 < 600061) && !(a12 + 43 <= 0))) || ((a24 == 1 && a12 < 600061) && 10 <= a21)) || (((a24 == 1 && a15 <= 8) && a12 < 600061) && 8 <= a21)) || ((a24 == 1 && 5 == a15) && a21 == 6)) || (((a24 == 1 && a12 < 600061) && 8 <= a21) && a21 <= 8)) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0)) || ((((a24 == 1 && a12 < 600061) && a21 <= 7) && !(7 == a15)) && 0 < a12 + 43)) || (((a12 <= 11 && a24 == 1) && 7 <= a21) && a15 <= 8)
- InvariantResult [Line: 884]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 890]: Loop Invariant
Derived loop invariant: ((((((((((a24 == 1 && 80 < a12) && a12 < 600061) && !(7 == a15)) || ((((a24 == 1 && a15 <= 8) && a21 <= 6) && a12 < 600061) && !(a12 + 43 <= 0))) || ((a24 == 1 && a12 < 600061) && 10 <= a21)) || (((a24 == 1 && a15 <= 8) && a12 < 600061) && 8 <= a21)) || ((a24 == 1 && 5 == a15) && a21 == 6)) || (((a24 == 1 && a12 < 600061) && 8 <= a21) && a21 <= 8)) || ((a15 <= 8 && a21 <= 6) && 49 + a12 <= 0)) || ((((a24 == 1 && a12 < 600061) && a21 <= 7) && !(7 == a15)) && 0 < a12 + 43)) || (((a12 <= 11 && a24 == 1) && 7 <= a21) && a15 <= 8)
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:54:05,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c15511-c108-4ddd-9fb5-d50de2e6e09d/bin/uautomizer-Dbtcem3rbc/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