./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y --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 31e424f0a19602624578aeece52fe4be50ad88249810eab23927cd03c7e10f18
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:38:28,706 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:38:28,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:38:28,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:38:28,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:38:28,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:38:28,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:38:28,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:38:28,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:38:28,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:38:28,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:38:28,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:38:28,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:38:28,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:38:28,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:38:28,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:38:28,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:38:28,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:38:28,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:38:28,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:38:28,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:38:28,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:38:28,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:38:28,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:38:28,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:38:28,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:38:28,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:38:28,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:38:28,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:38:28,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:38:28,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:38:28,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:38:28,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:38:28,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:38:28,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:38:28,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:38:28,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:38:28,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:38:28,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:38:28,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:38:28,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:38:28,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:38:28,909 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:38:28,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:38:28,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:38:28,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:38:28,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:38:28,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:38:28,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:38:28,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:38:28,912 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:38:28,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:38:28,913 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:38:28,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:38:28,913 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:38:28,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:38:28,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:38:28,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:38:28,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:38:28,914 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:38:28,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:38:28,915 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:38:28,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:38:28,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:38:28,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:38:28,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:38:28,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:38:28,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:38:28,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:38:28,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:38:28,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:38:28,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:38:28,917 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:38:28,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:38:28,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:38:28,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:38:28,918 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_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31e424f0a19602624578aeece52fe4be50ad88249810eab23927cd03c7e10f18
[2021-11-13 18:38:29,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:38:29,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:38:29,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:38:29,251 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:38:29,252 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:38:29,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c
[2021-11-13 18:38:29,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/data/d93b993f3/35d84d2071b0483e874276135fcca47f/FLAG5ce805e8f
[2021-11-13 18:38:30,080 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:38:30,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c
[2021-11-13 18:38:30,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/data/d93b993f3/35d84d2071b0483e874276135fcca47f/FLAG5ce805e8f
[2021-11-13 18:38:30,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/data/d93b993f3/35d84d2071b0483e874276135fcca47f
[2021-11-13 18:38:30,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:38:30,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:38:30,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:38:30,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:38:30,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:38:30,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:30,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16892172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30, skipping insertion in model container
[2021-11-13 18:38:30,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:30,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:38:30,432 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:38:30,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c[37543,37556]
[2021-11-13 18:38:30,724 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:38:30,752 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:38:30,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-3.c[37543,37556]
[2021-11-13 18:38:30,918 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:38:30,935 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:38:30,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30 WrapperNode
[2021-11-13 18:38:30,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:38:30,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:38:30,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:38:30,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:38:30,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:30,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:38:31,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:38:31,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:38:31,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:38:31,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:38:31,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:38:31,133 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:38:31,133 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:38:31,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (1/1) ...
[2021-11-13 18:38:31,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:38:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:31,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:38:31,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:38:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:38:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:38:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:38:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:38:31,428 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:38:32,178 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2021-11-13 18:38:32,180 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2021-11-13 18:38:32,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:38:32,194 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:38:32,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:38:32 BoogieIcfgContainer
[2021-11-13 18:38:32,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:38:32,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:38:32,202 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:38:32,207 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:38:32,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:38:30" (1/3) ...
[2021-11-13 18:38:32,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78608828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:38:32, skipping insertion in model container
[2021-11-13 18:38:32,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:38:30" (2/3) ...
[2021-11-13 18:38:32,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78608828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:38:32, skipping insertion in model container
[2021-11-13 18:38:32,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:38:32" (3/3) ...
[2021-11-13 18:38:32,212 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-3.c
[2021-11-13 18:38:32,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:38:32,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:38:32,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:38:32,317 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:38:32,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:38:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-13 18:38:32,370 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:32,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:32,372 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:32,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times
[2021-11-13 18:38:32,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:32,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659046370]
[2021-11-13 18:38:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:32,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:38:32,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:32,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659046370]
[2021-11-13 18:38:32,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659046370] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:32,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:32,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:32,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90367649]
[2021-11-13 18:38:32,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:32,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:32,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:32,682 INFO L87 Difference]: Start difference. First operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:32,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:32,862 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions.
[2021-11-13 18:38:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:32,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24
[2021-11-13 18:38:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:32,886 INFO L225 Difference]: With dead ends: 252
[2021-11-13 18:38:32,886 INFO L226 Difference]: Without dead ends: 115
[2021-11-13 18:38:32,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:32,903 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.37ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.76ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:32,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 325 Invalid, 91 Unknown, 0 Unchecked, 6.37ms Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 121.76ms Time]
[2021-11-13 18:38:32,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2021-11-13 18:38:33,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2021-11-13 18:38:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions.
[2021-11-13 18:38:33,027 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24
[2021-11-13 18:38:33,027 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:33,028 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions.
[2021-11-13 18:38:33,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions.
[2021-11-13 18:38:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-11-13 18:38:33,035 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:33,035 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:33,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:38:33,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:33,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times
[2021-11-13 18:38:33,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:33,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370622487]
[2021-11-13 18:38:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:33,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:38:33,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:33,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370622487]
[2021-11-13 18:38:33,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370622487] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:33,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:33,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:33,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946211903]
[2021-11-13 18:38:33,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:33,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:33,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:33,241 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) 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)
[2021-11-13 18:38:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:33,417 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions.
[2021-11-13 18:38:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:33,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) 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
[2021-11-13 18:38:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:33,424 INFO L225 Difference]: With dead ends: 238
[2021-11-13 18:38:33,425 INFO L226 Difference]: Without dead ends: 133
[2021-11-13 18:38:33,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:33,434 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.66ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:33,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 244 Invalid, 101 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 132.66ms Time]
[2021-11-13 18:38:33,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2021-11-13 18:38:33,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130.
[2021-11-13 18:38:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.4883720930232558) internal successors, (192), 129 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions.
[2021-11-13 18:38:33,460 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37
[2021-11-13 18:38:33,460 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:33,461 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions.
[2021-11-13 18:38:33,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) 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)
[2021-11-13 18:38:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions.
[2021-11-13 18:38:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2021-11-13 18:38:33,464 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:33,464 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:33,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:38:33,465 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:33,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times
[2021-11-13 18:38:33,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:33,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530865936]
[2021-11-13 18:38:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:33,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:38:33,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:33,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530865936]
[2021-11-13 18:38:33,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530865936] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:33,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:33,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:33,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109132530]
[2021-11-13 18:38:33,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:33,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:33,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:33,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:33,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:33,556 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:33,714 INFO L93 Difference]: Finished difference Result 272 states and 408 transitions.
[2021-11-13 18:38:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51
[2021-11-13 18:38:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:33,717 INFO L225 Difference]: With dead ends: 272
[2021-11-13 18:38:33,717 INFO L226 Difference]: Without dead ends: 152
[2021-11-13 18:38:33,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:33,731 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 17 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.12ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 144.47ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:33,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 257 Invalid, 105 Unknown, 0 Unchecked, 2.12ms Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 144.47ms Time]
[2021-11-13 18:38:33,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2021-11-13 18:38:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147.
[2021-11-13 18:38:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.4657534246575343) internal successors, (214), 146 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions.
[2021-11-13 18:38:33,751 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51
[2021-11-13 18:38:33,752 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:33,752 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions.
[2021-11-13 18:38:33,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions.
[2021-11-13 18:38:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-11-13 18:38:33,761 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:33,762 INFO L514 BasicCegarLoop]: trace histogram [4, 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]
[2021-11-13 18:38:33,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:38:33,763 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:33,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:33,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1238030766, now seen corresponding path program 1 times
[2021-11-13 18:38:33,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:33,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602582768]
[2021-11-13 18:38:33,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:33,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:38:33,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:33,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602582768]
[2021-11-13 18:38:33,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602582768] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:33,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:33,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:33,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427418236]
[2021-11-13 18:38:33,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:33,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:33,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:33,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:33,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:33,920 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:34,114 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions.
[2021-11-13 18:38:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:34,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 68
[2021-11-13 18:38:34,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:34,117 INFO L225 Difference]: With dead ends: 335
[2021-11-13 18:38:34,118 INFO L226 Difference]: Without dead ends: 197
[2021-11-13 18:38:34,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,120 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 53 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.65ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.43ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:34,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 231 Invalid, 153 Unknown, 0 Unchecked, 2.65ms Time], IncrementalHoareTripleChecker [33 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 176.43ms Time]
[2021-11-13 18:38:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2021-11-13 18:38:34,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188.
[2021-11-13 18:38:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.411764705882353) internal successors, (264), 187 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions.
[2021-11-13 18:38:34,137 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68
[2021-11-13 18:38:34,137 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:34,138 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions.
[2021-11-13 18:38:34,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions.
[2021-11-13 18:38:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-11-13 18:38:34,140 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:34,140 INFO L514 BasicCegarLoop]: trace histogram [4, 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]
[2021-11-13 18:38:34,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:38:34,140 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:34,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:34,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1251498196, now seen corresponding path program 1 times
[2021-11-13 18:38:34,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:34,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555720385]
[2021-11-13 18:38:34,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:34,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:38:34,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:34,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555720385]
[2021-11-13 18:38:34,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555720385] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:34,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:34,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:34,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588269855]
[2021-11-13 18:38:34,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:34,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:34,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:34,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:34,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,220 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:34,353 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions.
[2021-11-13 18:38:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:34,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 68
[2021-11-13 18:38:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:34,357 INFO L225 Difference]: With dead ends: 390
[2021-11-13 18:38:34,357 INFO L226 Difference]: Without dead ends: 212
[2021-11-13 18:38:34,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,359 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 16 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.70ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:34,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 262 Invalid, 109 Unknown, 0 Unchecked, 1.70ms Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 118.30ms Time]
[2021-11-13 18:38:34,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2021-11-13 18:38:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207.
[2021-11-13 18:38:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.3980582524271845) internal successors, (288), 206 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions.
[2021-11-13 18:38:34,373 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68
[2021-11-13 18:38:34,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:34,374 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions.
[2021-11-13 18:38:34,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions.
[2021-11-13 18:38:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:38:34,377 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:34,377 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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]
[2021-11-13 18:38:34,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:38:34,378 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:34,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:34,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1821092144, now seen corresponding path program 1 times
[2021-11-13 18:38:34,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:34,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782245022]
[2021-11-13 18:38:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2021-11-13 18:38:34,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:34,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782245022]
[2021-11-13 18:38:34,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782245022] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:34,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:34,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:34,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745674248]
[2021-11-13 18:38:34,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:34,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:34,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:34,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:34,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,462 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:34,608 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions.
[2021-11-13 18:38:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 85
[2021-11-13 18:38:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:34,612 INFO L225 Difference]: With dead ends: 428
[2021-11-13 18:38:34,612 INFO L226 Difference]: Without dead ends: 231
[2021-11-13 18:38:34,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,614 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.49ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:34,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 261 Invalid, 113 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [13 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 131.49ms Time]
[2021-11-13 18:38:34,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2021-11-13 18:38:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228.
[2021-11-13 18:38:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3832599118942732) internal successors, (314), 227 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions.
[2021-11-13 18:38:34,625 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85
[2021-11-13 18:38:34,626 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:34,626 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions.
[2021-11-13 18:38:34,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions.
[2021-11-13 18:38:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2021-11-13 18:38:34,628 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:34,628 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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]
[2021-11-13 18:38:34,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:38:34,629 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:34,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:34,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1901861672, now seen corresponding path program 1 times
[2021-11-13 18:38:34,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:34,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530853857]
[2021-11-13 18:38:34,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2021-11-13 18:38:34,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:34,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530853857]
[2021-11-13 18:38:34,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530853857] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:34,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:34,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:34,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506880849]
[2021-11-13 18:38:34,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:34,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:34,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:34,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:34,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,718 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:34,757 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions.
[2021-11-13 18:38:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:34,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 105
[2021-11-13 18:38:34,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:34,762 INFO L225 Difference]: With dead ends: 661
[2021-11-13 18:38:34,762 INFO L226 Difference]: Without dead ends: 443
[2021-11-13 18:38:34,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,764 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 125 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.78ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.90ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:34,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 363 Invalid, 23 Unknown, 0 Unchecked, 1.78ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 24.90ms Time]
[2021-11-13 18:38:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states.
[2021-11-13 18:38:34,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443.
[2021-11-13 18:38:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.3710407239819005) internal successors, (606), 442 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions.
[2021-11-13 18:38:34,781 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105
[2021-11-13 18:38:34,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:34,782 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions.
[2021-11-13 18:38:34,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions.
[2021-11-13 18:38:34,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2021-11-13 18:38:34,784 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:34,784 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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]
[2021-11-13 18:38:34,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:38:34,785 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:34,786 INFO L85 PathProgramCache]: Analyzing trace with hash 837467901, now seen corresponding path program 1 times
[2021-11-13 18:38:34,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:34,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122504187]
[2021-11-13 18:38:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:34,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2021-11-13 18:38:34,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:34,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122504187]
[2021-11-13 18:38:34,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122504187] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:34,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:34,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:34,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979148419]
[2021-11-13 18:38:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:34,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:34,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,844 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:34,875 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions.
[2021-11-13 18:38:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:34,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 106
[2021-11-13 18:38:34,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:34,880 INFO L225 Difference]: With dead ends: 897
[2021-11-13 18:38:34,880 INFO L226 Difference]: Without dead ends: 464
[2021-11-13 18:38:34,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:34,882 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 11 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.99ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:34,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 16.99ms Time]
[2021-11-13 18:38:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states.
[2021-11-13 18:38:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464.
[2021-11-13 18:38:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 463 states have (on average 1.367170626349892) internal successors, (633), 463 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions.
[2021-11-13 18:38:34,905 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 106
[2021-11-13 18:38:34,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:34,907 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions.
[2021-11-13 18:38:34,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions.
[2021-11-13 18:38:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2021-11-13 18:38:34,910 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:34,911 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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]
[2021-11-13 18:38:34,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-13 18:38:34,911 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:34,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1077707647, now seen corresponding path program 1 times
[2021-11-13 18:38:34,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:34,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266141611]
[2021-11-13 18:38:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:34,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2021-11-13 18:38:35,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:35,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266141611]
[2021-11-13 18:38:35,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266141611] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:35,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:35,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:35,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717501318]
[2021-11-13 18:38:35,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:35,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:35,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:35,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,021 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:35,069 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions.
[2021-11-13 18:38:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:35,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 106
[2021-11-13 18:38:35,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:35,077 INFO L225 Difference]: With dead ends: 945
[2021-11-13 18:38:35,077 INFO L226 Difference]: Without dead ends: 491
[2021-11-13 18:38:35,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,079 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 20 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.14ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:35,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 315 Invalid, 13 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 26.14ms Time]
[2021-11-13 18:38:35,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states.
[2021-11-13 18:38:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491.
[2021-11-13 18:38:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.3612244897959183) internal successors, (667), 490 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions.
[2021-11-13 18:38:35,106 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106
[2021-11-13 18:38:35,106 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:35,107 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions.
[2021-11-13 18:38:35,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions.
[2021-11-13 18:38:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2021-11-13 18:38:35,109 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:35,109 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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]
[2021-11-13 18:38:35,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 18:38:35,110 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2015927886, now seen corresponding path program 1 times
[2021-11-13 18:38:35,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:35,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028392504]
[2021-11-13 18:38:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2021-11-13 18:38:35,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:35,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028392504]
[2021-11-13 18:38:35,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028392504] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:35,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:35,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:35,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806612567]
[2021-11-13 18:38:35,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:35,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:35,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:35,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,251 INFO L87 Difference]: Start difference. First operand 491 states and 667 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:35,294 INFO L93 Difference]: Finished difference Result 709 states and 967 transitions.
[2021-11-13 18:38:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 107
[2021-11-13 18:38:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:35,300 INFO L225 Difference]: With dead ends: 709
[2021-11-13 18:38:35,300 INFO L226 Difference]: Without dead ends: 707
[2021-11-13 18:38:35,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,325 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.77ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:35,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 305 Invalid, 26 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 26.77ms Time]
[2021-11-13 18:38:35,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states.
[2021-11-13 18:38:35,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707.
[2021-11-13 18:38:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 706 states have (on average 1.36685552407932) internal successors, (965), 706 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 965 transitions.
[2021-11-13 18:38:35,350 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 965 transitions. Word has length 107
[2021-11-13 18:38:35,350 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:35,351 INFO L470 AbstractCegarLoop]: Abstraction has 707 states and 965 transitions.
[2021-11-13 18:38:35,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 965 transitions.
[2021-11-13 18:38:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2021-11-13 18:38:35,354 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:35,355 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:35,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:38:35,355 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:35,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:35,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1870688019, now seen corresponding path program 1 times
[2021-11-13 18:38:35,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:35,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227784947]
[2021-11-13 18:38:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:35,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2021-11-13 18:38:35,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:35,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227784947]
[2021-11-13 18:38:35,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227784947] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:35,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:35,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:35,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859194704]
[2021-11-13 18:38:35,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:35,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:35,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:35,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,438 INFO L87 Difference]: Start difference. First operand 707 states and 965 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:35,601 INFO L93 Difference]: Finished difference Result 1530 states and 2149 transitions.
[2021-11-13 18:38:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:35,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 162
[2021-11-13 18:38:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:35,608 INFO L225 Difference]: With dead ends: 1530
[2021-11-13 18:38:35,609 INFO L226 Difference]: Without dead ends: 857
[2021-11-13 18:38:35,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,612 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 95 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.72ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.27ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:35,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 196 Invalid, 153 Unknown, 0 Unchecked, 1.72ms Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 135.27ms Time]
[2021-11-13 18:38:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states.
[2021-11-13 18:38:35,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 824.
[2021-11-13 18:38:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 823 states have (on average 1.402187120291616) internal successors, (1154), 823 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1154 transitions.
[2021-11-13 18:38:35,649 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1154 transitions. Word has length 162
[2021-11-13 18:38:35,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:35,649 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1154 transitions.
[2021-11-13 18:38:35,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1154 transitions.
[2021-11-13 18:38:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2021-11-13 18:38:35,655 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:35,656 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:35,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-13 18:38:35,656 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1491644371, now seen corresponding path program 1 times
[2021-11-13 18:38:35,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:35,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401008690]
[2021-11-13 18:38:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:35,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked.
[2021-11-13 18:38:35,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:35,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401008690]
[2021-11-13 18:38:35,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401008690] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:35,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:35,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:35,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076611261]
[2021-11-13 18:38:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:35,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:35,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:35,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,756 INFO L87 Difference]: Start difference. First operand 824 states and 1154 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:35,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:35,939 INFO L93 Difference]: Finished difference Result 1892 states and 2730 transitions.
[2021-11-13 18:38:35,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:35,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 189
[2021-11-13 18:38:35,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:35,948 INFO L225 Difference]: With dead ends: 1892
[2021-11-13 18:38:35,948 INFO L226 Difference]: Without dead ends: 1054
[2021-11-13 18:38:35,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:35,951 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 96 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.83ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.85ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:35,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 203 Invalid, 153 Unknown, 0 Unchecked, 1.83ms Time], IncrementalHoareTripleChecker [41 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 146.85ms Time]
[2021-11-13 18:38:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states.
[2021-11-13 18:38:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1013.
[2021-11-13 18:38:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1012 states have (on average 1.3893280632411067) internal successors, (1406), 1012 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1406 transitions.
[2021-11-13 18:38:36,009 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1406 transitions. Word has length 189
[2021-11-13 18:38:36,010 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:36,010 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1406 transitions.
[2021-11-13 18:38:36,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1406 transitions.
[2021-11-13 18:38:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2021-11-13 18:38:36,015 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:36,015 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 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]
[2021-11-13 18:38:36,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-13 18:38:36,016 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:36,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash -637948485, now seen corresponding path program 1 times
[2021-11-13 18:38:36,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:36,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506938390]
[2021-11-13 18:38:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:36,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2021-11-13 18:38:36,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:36,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506938390]
[2021-11-13 18:38:36,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506938390] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:36,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:36,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:36,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675246801]
[2021-11-13 18:38:36,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:36,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:36,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:36,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:36,091 INFO L87 Difference]: Start difference. First operand 1013 states and 1406 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:36,270 INFO L93 Difference]: Finished difference Result 2148 states and 3007 transitions.
[2021-11-13 18:38:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:36,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 210
[2021-11-13 18:38:36,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:36,279 INFO L225 Difference]: With dead ends: 2148
[2021-11-13 18:38:36,280 INFO L226 Difference]: Without dead ends: 1127
[2021-11-13 18:38:36,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:36,284 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 99 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.85ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.04ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:36,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 199 Invalid, 153 Unknown, 0 Unchecked, 1.85ms Time], IncrementalHoareTripleChecker [42 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 142.04ms Time]
[2021-11-13 18:38:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states.
[2021-11-13 18:38:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1088.
[2021-11-13 18:38:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1087 states have (on average 1.3817847286108556) internal successors, (1502), 1087 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1502 transitions.
[2021-11-13 18:38:36,328 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1502 transitions. Word has length 210
[2021-11-13 18:38:36,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:36,328 INFO L470 AbstractCegarLoop]: Abstraction has 1088 states and 1502 transitions.
[2021-11-13 18:38:36,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1502 transitions.
[2021-11-13 18:38:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2021-11-13 18:38:36,334 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:36,335 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:36,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-13 18:38:36,335 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:36,336 INFO L85 PathProgramCache]: Analyzing trace with hash 668090344, now seen corresponding path program 1 times
[2021-11-13 18:38:36,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:36,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076231660]
[2021-11-13 18:38:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:36,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2021-11-13 18:38:36,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:36,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076231660]
[2021-11-13 18:38:36,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076231660] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:36,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:36,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:36,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789066084]
[2021-11-13 18:38:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:36,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:36,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:36,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:36,426 INFO L87 Difference]: Start difference. First operand 1088 states and 1502 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:36,615 INFO L93 Difference]: Finished difference Result 2298 states and 3196 transitions.
[2021-11-13 18:38:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:36,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 234
[2021-11-13 18:38:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:36,625 INFO L225 Difference]: With dead ends: 2298
[2021-11-13 18:38:36,625 INFO L226 Difference]: Without dead ends: 1208
[2021-11-13 18:38:36,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:36,631 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 100 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.67ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:36,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 197 Invalid, 153 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 150.67ms Time]
[2021-11-13 18:38:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states.
[2021-11-13 18:38:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1172.
[2021-11-13 18:38:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1171 states have (on average 1.3774551665243382) internal successors, (1613), 1171 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1613 transitions.
[2021-11-13 18:38:36,701 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1613 transitions. Word has length 234
[2021-11-13 18:38:36,702 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:36,702 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 1613 transitions.
[2021-11-13 18:38:36,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1613 transitions.
[2021-11-13 18:38:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2021-11-13 18:38:36,708 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:36,709 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:36,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-13 18:38:36,709 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:36,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash 786531818, now seen corresponding path program 1 times
[2021-11-13 18:38:36,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:36,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673831068]
[2021-11-13 18:38:36,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:36,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2021-11-13 18:38:36,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:36,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673831068]
[2021-11-13 18:38:36,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673831068] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:36,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:36,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:36,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487122698]
[2021-11-13 18:38:36,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:36,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:36,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:36,796 INFO L87 Difference]: Start difference. First operand 1172 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:36,988 INFO L93 Difference]: Finished difference Result 2466 states and 3421 transitions.
[2021-11-13 18:38:36,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:36,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 234
[2021-11-13 18:38:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:36,999 INFO L225 Difference]: With dead ends: 2466
[2021-11-13 18:38:36,999 INFO L226 Difference]: Without dead ends: 1304
[2021-11-13 18:38:37,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:37,005 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 102 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.02ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:37,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 195 Invalid, 153 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [45 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 153.02ms Time]
[2021-11-13 18:38:37,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states.
[2021-11-13 18:38:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1265.
[2021-11-13 18:38:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3805379746835442) internal successors, (1745), 1264 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1745 transitions.
[2021-11-13 18:38:37,056 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1745 transitions. Word has length 234
[2021-11-13 18:38:37,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:37,057 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 1745 transitions.
[2021-11-13 18:38:37,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1745 transitions.
[2021-11-13 18:38:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265
[2021-11-13 18:38:37,063 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:37,064 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:37,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-13 18:38:37,065 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:37,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:37,065 INFO L85 PathProgramCache]: Analyzing trace with hash 12496008, now seen corresponding path program 1 times
[2021-11-13 18:38:37,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:37,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072368784]
[2021-11-13 18:38:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:37,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked.
[2021-11-13 18:38:37,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:37,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072368784]
[2021-11-13 18:38:37,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072368784] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:37,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:37,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:37,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867837547]
[2021-11-13 18:38:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:37,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:37,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:37,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:37,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:37,204 INFO L87 Difference]: Start difference. First operand 1265 states and 1745 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:37,278 INFO L93 Difference]: Finished difference Result 3718 states and 5136 transitions.
[2021-11-13 18:38:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:37,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 264
[2021-11-13 18:38:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:37,298 INFO L225 Difference]: With dead ends: 3718
[2021-11-13 18:38:37,299 INFO L226 Difference]: Without dead ends: 2490
[2021-11-13 18:38:37,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:37,302 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.82ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:37,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 483 Invalid, 7 Unknown, 0 Unchecked, 3.35ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 10.82ms Time]
[2021-11-13 18:38:37,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states.
[2021-11-13 18:38:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2488.
[2021-11-13 18:38:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2487 states have (on average 1.3811821471652594) internal successors, (3435), 2487 states have internal predecessors, (3435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3435 transitions.
[2021-11-13 18:38:37,417 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3435 transitions. Word has length 264
[2021-11-13 18:38:37,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:37,418 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 3435 transitions.
[2021-11-13 18:38:37,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3435 transitions.
[2021-11-13 18:38:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265
[2021-11-13 18:38:37,427 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:37,428 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:37,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-11-13 18:38:37,428 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:37,429 INFO L85 PathProgramCache]: Analyzing trace with hash 130937482, now seen corresponding path program 1 times
[2021-11-13 18:38:37,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:37,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595869400]
[2021-11-13 18:38:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:37,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked.
[2021-11-13 18:38:37,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:37,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595869400]
[2021-11-13 18:38:37,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595869400] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:37,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:37,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:37,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244237698]
[2021-11-13 18:38:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:37,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:37,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:37,517 INFO L87 Difference]: Start difference. First operand 2488 states and 3435 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:37,743 INFO L93 Difference]: Finished difference Result 5251 states and 7296 transitions.
[2021-11-13 18:38:37,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:37,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 264
[2021-11-13 18:38:37,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:37,762 INFO L225 Difference]: With dead ends: 5251
[2021-11-13 18:38:37,763 INFO L226 Difference]: Without dead ends: 2770
[2021-11-13 18:38:37,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:37,768 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 117 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.78ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.92ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:37,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 177 Invalid, 153 Unknown, 0 Unchecked, 1.78ms Time], IncrementalHoareTripleChecker [49 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 145.92ms Time]
[2021-11-13 18:38:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states.
[2021-11-13 18:38:37,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2698.
[2021-11-13 18:38:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2697 states have (on average 1.389321468298109) internal successors, (3747), 2697 states have internal predecessors, (3747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3747 transitions.
[2021-11-13 18:38:37,899 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3747 transitions. Word has length 264
[2021-11-13 18:38:37,899 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:37,900 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3747 transitions.
[2021-11-13 18:38:37,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3747 transitions.
[2021-11-13 18:38:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300
[2021-11-13 18:38:37,910 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:37,911 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:37,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-13 18:38:37,912 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:37,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:37,912 INFO L85 PathProgramCache]: Analyzing trace with hash -142796669, now seen corresponding path program 1 times
[2021-11-13 18:38:37,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:37,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776337437]
[2021-11-13 18:38:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:37,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked.
[2021-11-13 18:38:38,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:38,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776337437]
[2021-11-13 18:38:38,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776337437] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:38,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:38,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:38,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363567123]
[2021-11-13 18:38:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:38,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:38,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:38,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:38,008 INFO L87 Difference]: Start difference. First operand 2698 states and 3747 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:38,227 INFO L93 Difference]: Finished difference Result 5443 states and 7548 transitions.
[2021-11-13 18:38:38,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:38,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 299
[2021-11-13 18:38:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:38,248 INFO L225 Difference]: With dead ends: 5443
[2021-11-13 18:38:38,248 INFO L226 Difference]: Without dead ends: 2764
[2021-11-13 18:38:38,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:38,253 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 122 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.13ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:38,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 170 Invalid, 154 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [51 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 142.13ms Time]
[2021-11-13 18:38:38,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states.
[2021-11-13 18:38:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2692.
[2021-11-13 18:38:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2691 states have (on average 1.379041248606466) internal successors, (3711), 2691 states have internal predecessors, (3711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3711 transitions.
[2021-11-13 18:38:38,409 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3711 transitions. Word has length 299
[2021-11-13 18:38:38,409 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:38,409 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3711 transitions.
[2021-11-13 18:38:38,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3711 transitions.
[2021-11-13 18:38:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309
[2021-11-13 18:38:38,423 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:38,424 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:38,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-11-13 18:38:38,424 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:38,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:38,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1408099866, now seen corresponding path program 1 times
[2021-11-13 18:38:38,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:38,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835159621]
[2021-11-13 18:38:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:38,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked.
[2021-11-13 18:38:38,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:38,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835159621]
[2021-11-13 18:38:38,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835159621] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:38,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:38,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:38,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735185767]
[2021-11-13 18:38:38,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:38,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:38,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:38,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:38,528 INFO L87 Difference]: Start difference. First operand 2692 states and 3711 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:38,724 INFO L93 Difference]: Finished difference Result 5407 states and 7446 transitions.
[2021-11-13 18:38:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:38,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 308
[2021-11-13 18:38:38,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:38,744 INFO L225 Difference]: With dead ends: 5407
[2021-11-13 18:38:38,744 INFO L226 Difference]: Without dead ends: 2752
[2021-11-13 18:38:38,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:38,750 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.87ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:38,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 251 Invalid, 132 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 122.87ms Time]
[2021-11-13 18:38:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states.
[2021-11-13 18:38:38,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2692.
[2021-11-13 18:38:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2691 states have (on average 1.358974358974359) internal successors, (3657), 2691 states have internal predecessors, (3657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3657 transitions.
[2021-11-13 18:38:38,861 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3657 transitions. Word has length 308
[2021-11-13 18:38:38,862 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:38,862 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3657 transitions.
[2021-11-13 18:38:38,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3657 transitions.
[2021-11-13 18:38:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337
[2021-11-13 18:38:38,874 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:38,875 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:38,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-11-13 18:38:38,875 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:38,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1960500931, now seen corresponding path program 1 times
[2021-11-13 18:38:38,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:38,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214647761]
[2021-11-13 18:38:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:38,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:38:38,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:38,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214647761]
[2021-11-13 18:38:38,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214647761] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:38,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:38,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:38,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807321662]
[2021-11-13 18:38:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:38,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:38,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:38,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:38,990 INFO L87 Difference]: Start difference. First operand 2692 states and 3657 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:39,210 INFO L93 Difference]: Finished difference Result 5653 states and 7626 transitions.
[2021-11-13 18:38:39,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:39,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 336
[2021-11-13 18:38:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:39,231 INFO L225 Difference]: With dead ends: 5653
[2021-11-13 18:38:39,232 INFO L226 Difference]: Without dead ends: 2998
[2021-11-13 18:38:39,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:39,237 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 130 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.67ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:39,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 147 Invalid, 147 Unknown, 0 Unchecked, 1.67ms Time], IncrementalHoareTripleChecker [48 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 141.28ms Time]
[2021-11-13 18:38:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states.
[2021-11-13 18:38:39,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2782.
[2021-11-13 18:38:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 2781 states have (on average 1.3581445523193096) internal successors, (3777), 2781 states have internal predecessors, (3777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3777 transitions.
[2021-11-13 18:38:39,361 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3777 transitions. Word has length 336
[2021-11-13 18:38:39,361 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:39,362 INFO L470 AbstractCegarLoop]: Abstraction has 2782 states and 3777 transitions.
[2021-11-13 18:38:39,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3777 transitions.
[2021-11-13 18:38:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338
[2021-11-13 18:38:39,374 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:39,375 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:39,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 18:38:39,375 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash 806996379, now seen corresponding path program 1 times
[2021-11-13 18:38:39,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:39,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255849834]
[2021-11-13 18:38:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:39,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 871 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked.
[2021-11-13 18:38:39,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:39,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255849834]
[2021-11-13 18:38:39,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255849834] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:39,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:39,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:39,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77670690]
[2021-11-13 18:38:39,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:39,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:39,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:39,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:39,518 INFO L87 Difference]: Start difference. First operand 2782 states and 3777 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:39,653 INFO L93 Difference]: Finished difference Result 7882 states and 10755 transitions.
[2021-11-13 18:38:39,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:39,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 337
[2021-11-13 18:38:39,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:39,691 INFO L225 Difference]: With dead ends: 7882
[2021-11-13 18:38:39,691 INFO L226 Difference]: Without dead ends: 5137
[2021-11-13 18:38:39,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:39,698 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 84 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.69ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.55ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:39,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 445 Invalid, 11 Unknown, 0 Unchecked, 1.69ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 13.55ms Time]
[2021-11-13 18:38:39,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states.
[2021-11-13 18:38:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5135.
[2021-11-13 18:38:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 5134 states have (on average 1.36482275029217) internal successors, (7007), 5134 states have internal predecessors, (7007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 7007 transitions.
[2021-11-13 18:38:39,881 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 7007 transitions. Word has length 337
[2021-11-13 18:38:39,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:39,882 INFO L470 AbstractCegarLoop]: Abstraction has 5135 states and 7007 transitions.
[2021-11-13 18:38:39,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 7007 transitions.
[2021-11-13 18:38:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348
[2021-11-13 18:38:39,898 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:39,898 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:39,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-11-13 18:38:39,899 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:39,899 INFO L85 PathProgramCache]: Analyzing trace with hash 722980357, now seen corresponding path program 1 times
[2021-11-13 18:38:39,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:39,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442590483]
[2021-11-13 18:38:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:39,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked.
[2021-11-13 18:38:40,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:40,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442590483]
[2021-11-13 18:38:40,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442590483] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:38:40,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023257559]
[2021-11-13 18:38:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:40,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:40,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:40,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:38:40,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:38:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:40,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:38:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:38:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked.
[2021-11-13 18:38:41,314 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:38:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked.
[2021-11-13 18:38:41,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023257559] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:38:41,955 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:38:41,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:38:41,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747678877]
[2021-11-13 18:38:41,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:38:41,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:38:41,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:41,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:38:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:38:41,962 INFO L87 Difference]: Start difference. First operand 5135 states and 7007 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:42,577 INFO L93 Difference]: Finished difference Result 10235 states and 13947 transitions.
[2021-11-13 18:38:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:38:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 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 347
[2021-11-13 18:38:42,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:42,610 INFO L225 Difference]: With dead ends: 10235
[2021-11-13 18:38:42,611 INFO L226 Difference]: Without dead ends: 7748
[2021-11-13 18:38:42,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:38:42,619 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 421 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 318.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.51ms SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 397.15ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:42,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 605 Invalid, 461 Unknown, 0 Unchecked, 6.51ms Time], IncrementalHoareTripleChecker [76 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 397.15ms Time]
[2021-11-13 18:38:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7748 states.
[2021-11-13 18:38:42,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7748 to 5669.
[2021-11-13 18:38:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5669 states, 5668 states have (on average 1.3484474241354976) internal successors, (7643), 5668 states have internal predecessors, (7643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7643 transitions.
[2021-11-13 18:38:42,875 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7643 transitions. Word has length 347
[2021-11-13 18:38:42,876 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:42,876 INFO L470 AbstractCegarLoop]: Abstraction has 5669 states and 7643 transitions.
[2021-11-13 18:38:42,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7643 transitions.
[2021-11-13 18:38:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375
[2021-11-13 18:38:42,894 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:42,894 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:42,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:38:43,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:43,110 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:43,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1881562091, now seen corresponding path program 1 times
[2021-11-13 18:38:43,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:43,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417785152]
[2021-11-13 18:38:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:43,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:38:43,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:43,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417785152]
[2021-11-13 18:38:43,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417785152] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:38:43,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326685976]
[2021-11-13 18:38:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:43,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:43,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:43,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:38:43,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 18:38:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:43,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:38:43,500 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:38:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:38:44,327 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:38:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:38:45,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326685976] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:38:45,231 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:38:45,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:38:45,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378216274]
[2021-11-13 18:38:45,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:38:45,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:38:45,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:38:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:38:45,236 INFO L87 Difference]: Start difference. First operand 5669 states and 7643 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:45,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:45,708 INFO L93 Difference]: Finished difference Result 12703 states and 17150 transitions.
[2021-11-13 18:38:45,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:38:45,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 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 374
[2021-11-13 18:38:45,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:45,729 INFO L225 Difference]: With dead ends: 12703
[2021-11-13 18:38:45,729 INFO L226 Difference]: Without dead ends: 7058
[2021-11-13 18:38:45,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:38:45,748 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 470 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 214.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.78ms SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 269.53ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:45,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 333 Invalid, 329 Unknown, 0 Unchecked, 4.78ms Time], IncrementalHoareTripleChecker [110 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 269.53ms Time]
[2021-11-13 18:38:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states.
[2021-11-13 18:38:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 5789.
[2021-11-13 18:38:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 5788 states have (on average 1.3344851416724257) internal successors, (7724), 5788 states have internal predecessors, (7724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 7724 transitions.
[2021-11-13 18:38:46,033 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 7724 transitions. Word has length 374
[2021-11-13 18:38:46,034 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:46,034 INFO L470 AbstractCegarLoop]: Abstraction has 5789 states and 7724 transitions.
[2021-11-13 18:38:46,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 7724 transitions.
[2021-11-13 18:38:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414
[2021-11-13 18:38:46,053 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:46,054 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:46,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:38:46,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:46,270 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:46,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:46,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1433443056, now seen corresponding path program 1 times
[2021-11-13 18:38:46,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:46,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062906346]
[2021-11-13 18:38:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:46,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked.
[2021-11-13 18:38:46,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:46,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062906346]
[2021-11-13 18:38:46,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062906346] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:46,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:38:46,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:38:46,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003552469]
[2021-11-13 18:38:46,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:46,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:46,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:46,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:46,401 INFO L87 Difference]: Start difference. First operand 5789 states and 7724 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:46,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:46,661 INFO L93 Difference]: Finished difference Result 11133 states and 14642 transitions.
[2021-11-13 18:38:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:46,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 413
[2021-11-13 18:38:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:46,671 INFO L225 Difference]: With dead ends: 11133
[2021-11-13 18:38:46,671 INFO L226 Difference]: Without dead ends: 3109
[2021-11-13 18:38:46,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:38:46,683 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.22ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.66ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:46,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 259 Invalid, 120 Unknown, 0 Unchecked, 2.22ms Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 142.66ms Time]
[2021-11-13 18:38:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states.
[2021-11-13 18:38:46,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 3043.
[2021-11-13 18:38:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3042 states have (on average 1.3356344510190663) internal successors, (4063), 3042 states have internal predecessors, (4063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4063 transitions.
[2021-11-13 18:38:46,790 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4063 transitions. Word has length 413
[2021-11-13 18:38:46,790 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:46,790 INFO L470 AbstractCegarLoop]: Abstraction has 3043 states and 4063 transitions.
[2021-11-13 18:38:46,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4063 transitions.
[2021-11-13 18:38:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498
[2021-11-13 18:38:46,808 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:46,809 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:46,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-11-13 18:38:46,810 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash -517038626, now seen corresponding path program 1 times
[2021-11-13 18:38:46,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:46,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873801131]
[2021-11-13 18:38:46,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:46,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1571 proven. 14 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked.
[2021-11-13 18:38:46,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:46,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873801131]
[2021-11-13 18:38:46,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873801131] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:38:46,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883418622]
[2021-11-13 18:38:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:46,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:46,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:46,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:38:47,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 18:38:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:47,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:38:47,223 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:38:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1018 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked.
[2021-11-13 18:38:48,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:38:48,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883418622] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:48,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:38:48,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2021-11-13 18:38:48,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336397050]
[2021-11-13 18:38:48,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:48,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:48,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:48,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:38:48,483 INFO L87 Difference]: Start difference. First operand 3043 states and 4063 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:48,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:48,545 INFO L93 Difference]: Finished difference Result 3068 states and 4093 transitions.
[2021-11-13 18:38:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:48,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 497
[2021-11-13 18:38:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:48,553 INFO L225 Difference]: With dead ends: 3068
[2021-11-13 18:38:48,554 INFO L226 Difference]: Without dead ends: 2571
[2021-11-13 18:38:48,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:38:48,557 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 61 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.17ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:48,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 256 Invalid, 4 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.17ms Time]
[2021-11-13 18:38:48,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states.
[2021-11-13 18:38:48,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2548.
[2021-11-13 18:38:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 2547 states have (on average 1.3345111896348645) internal successors, (3399), 2547 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3399 transitions.
[2021-11-13 18:38:48,653 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3399 transitions. Word has length 497
[2021-11-13 18:38:48,654 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:48,654 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 3399 transitions.
[2021-11-13 18:38:48,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:48,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3399 transitions.
[2021-11-13 18:38:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499
[2021-11-13 18:38:48,673 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:48,675 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 13, 13, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:48,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:38:48,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2021-11-13 18:38:48,902 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:48,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:48,903 INFO L85 PathProgramCache]: Analyzing trace with hash 706380836, now seen corresponding path program 1 times
[2021-11-13 18:38:48,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:48,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347604348]
[2021-11-13 18:38:48,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:48,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 1546 proven. 14 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked.
[2021-11-13 18:38:49,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:49,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347604348]
[2021-11-13 18:38:49,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347604348] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:38:49,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854357534]
[2021-11-13 18:38:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:49,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:49,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:38:49,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-13 18:38:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:49,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:38:49,258 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:38:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 2339 trivial. 0 not checked.
[2021-11-13 18:38:50,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:38:50,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854357534] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:38:50,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:38:50,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2021-11-13 18:38:50,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193895532]
[2021-11-13 18:38:50,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:38:50,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:38:50,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:50,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:38:50,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:38:50,440 INFO L87 Difference]: Start difference. First operand 2548 states and 3399 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:50,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:50,652 INFO L93 Difference]: Finished difference Result 5167 states and 6909 transitions.
[2021-11-13 18:38:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:38:50,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 498
[2021-11-13 18:38:50,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:50,661 INFO L225 Difference]: With dead ends: 5167
[2021-11-13 18:38:50,662 INFO L226 Difference]: Without dead ends: 2656
[2021-11-13 18:38:50,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:38:50,666 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 49 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.38ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:50,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 128 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [22 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 153.38ms Time]
[2021-11-13 18:38:50,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states.
[2021-11-13 18:38:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2653.
[2021-11-13 18:38:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2652 states have (on average 1.2861990950226245) internal successors, (3411), 2652 states have internal predecessors, (3411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3411 transitions.
[2021-11-13 18:38:50,761 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3411 transitions. Word has length 498
[2021-11-13 18:38:50,762 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:50,763 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 3411 transitions.
[2021-11-13 18:38:50,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3411 transitions.
[2021-11-13 18:38:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2021-11-13 18:38:50,788 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:38:50,788 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:50,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:38:51,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2021-11-13 18:38:51,002 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:38:51,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:38:51,003 INFO L85 PathProgramCache]: Analyzing trace with hash 180586689, now seen corresponding path program 2 times
[2021-11-13 18:38:51,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:38:51,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633029339]
[2021-11-13 18:38:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:38:51,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:38:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:38:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.
[2021-11-13 18:38:51,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:38:51,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633029339]
[2021-11-13 18:38:51,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633029339] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:38:51,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764476961]
[2021-11-13 18:38:51,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:38:51,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:38:51,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:38:51,204 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:38:51,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-13 18:38:51,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:38:51,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:38:51,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:38:51,469 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:38:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.
[2021-11-13 18:38:52,901 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:38:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.
[2021-11-13 18:38:54,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764476961] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:38:54,181 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:38:54,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:38:54,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730510688]
[2021-11-13 18:38:54,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:38:54,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:38:54,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:38:54,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:38:54,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:38:54,187 INFO L87 Difference]: Start difference. First operand 2653 states and 3411 transitions. Second operand has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:38:54,456 INFO L93 Difference]: Finished difference Result 2888 states and 3708 transitions.
[2021-11-13 18:38:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:38:54,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 0 states have call successors, (0), 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 609
[2021-11-13 18:38:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:38:54,458 INFO L225 Difference]: With dead ends: 2888
[2021-11-13 18:38:54,458 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:38:54,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1224 GetRequests, 1218 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:38:54,464 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 100 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.55ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 221.58ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:38:54,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 380 Invalid, 267 Unknown, 0 Unchecked, 3.55ms Time], IncrementalHoareTripleChecker [35 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 221.58ms Time]
[2021-11-13 18:38:54,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:38:54,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:38:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:38:54,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 609
[2021-11-13 18:38:54,467 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:38:54,467 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:38:54,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:38:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:38:54,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:38:54,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:38:54,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:38:54,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2021-11-13 18:38:54,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:38:58,918 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed.
[2021-11-13 18:38:58,918 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 530) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528))) (or (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse0 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse0)))
[2021-11-13 18:38:58,918 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed.
[2021-11-13 18:38:58,919 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 468) no Hoare annotation was computed.
[2021-11-13 18:38:58,919 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 369) no Hoare annotation was computed.
[2021-11-13 18:38:58,919 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 272) no Hoare annotation was computed.
[2021-11-13 18:38:58,919 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 528) no Hoare annotation was computed.
[2021-11-13 18:38:58,919 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 539) no Hoare annotation was computed.
[2021-11-13 18:38:58,920 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 550) no Hoare annotation was computed.
[2021-11-13 18:38:58,920 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 305) no Hoare annotation was computed.
[2021-11-13 18:38:58,920 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed.
[2021-11-13 18:38:58,920 INFO L858 garLoopResultBuilder]: For program point L303-2(lines 222 520) no Hoare annotation was computed.
[2021-11-13 18:38:58,920 INFO L854 garLoopResultBuilder]: At program point L171(lines 167 540) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4464) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:38:58,921 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 111) no Hoare annotation was computed.
[2021-11-13 18:38:58,921 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 504) no Hoare annotation was computed.
[2021-11-13 18:38:58,921 INFO L858 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed.
[2021-11-13 18:38:58,921 INFO L858 garLoopResultBuilder]: For program point L502-2(lines 502 504) no Hoare annotation was computed.
[2021-11-13 18:38:58,921 INFO L858 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed.
[2021-11-13 18:38:58,922 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed.
[2021-11-13 18:38:58,922 INFO L858 garLoopResultBuilder]: For program point L370-2(lines 370 374) no Hoare annotation was computed.
[2021-11-13 18:38:58,922 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 527) no Hoare annotation was computed.
[2021-11-13 18:38:58,922 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 538) no Hoare annotation was computed.
[2021-11-13 18:38:58,922 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 549) no Hoare annotation was computed.
[2021-11-13 18:38:58,923 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 341) no Hoare annotation was computed.
[2021-11-13 18:38:58,923 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 222 520) no Hoare annotation was computed.
[2021-11-13 18:38:58,923 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 528) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse2) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2)))
[2021-11-13 18:38:58,923 INFO L854 garLoopResultBuilder]: At program point L141(lines 137 550) the Hoare annotation is: (and (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4400) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:38:58,924 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 110) no Hoare annotation was computed.
[2021-11-13 18:38:58,924 INFO L858 garLoopResultBuilder]: For program point L108-2(lines 105 111) no Hoare annotation was computed.
[2021-11-13 18:38:58,924 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 441) no Hoare annotation was computed.
[2021-11-13 18:38:58,924 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 408) no Hoare annotation was computed.
[2021-11-13 18:38:58,924 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 526) no Hoare annotation was computed.
[2021-11-13 18:38:58,925 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 537) no Hoare annotation was computed.
[2021-11-13 18:38:58,925 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 548) no Hoare annotation was computed.
[2021-11-13 18:38:58,925 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed.
[2021-11-13 18:38:58,925 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 510) no Hoare annotation was computed.
[2021-11-13 18:38:58,925 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 314) no Hoare annotation was computed.
[2021-11-13 18:38:58,926 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 314) no Hoare annotation was computed.
[2021-11-13 18:38:58,926 INFO L861 garLoopResultBuilder]: At program point L575(lines 118 576) the Hoare annotation is: true
[2021-11-13 18:38:58,926 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 525) no Hoare annotation was computed.
[2021-11-13 18:38:58,926 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 536) no Hoare annotation was computed.
[2021-11-13 18:38:58,927 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 547) no Hoare annotation was computed.
[2021-11-13 18:38:58,927 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed.
[2021-11-13 18:38:58,927 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 526) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 (not .cse0) .cse2)))
[2021-11-13 18:38:58,927 INFO L854 garLoopResultBuilder]: At program point L147(lines 143 548) the Hoare annotation is: (and (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4400) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 116) no Hoare annotation was computed.
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 263) no Hoare annotation was computed.
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L247-2(lines 222 520) no Hoare annotation was computed.
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 491) no Hoare annotation was computed.
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 460) no Hoare annotation was computed.
[2021-11-13 18:38:58,928 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 446 460) no Hoare annotation was computed.
[2021-11-13 18:38:58,929 INFO L858 garLoopResultBuilder]: For program point L479-2(lines 479 491) no Hoare annotation was computed.
[2021-11-13 18:38:58,929 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 350) no Hoare annotation was computed.
[2021-11-13 18:38:58,929 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 283) no Hoare annotation was computed.
[2021-11-13 18:38:58,929 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 524) no Hoare annotation was computed.
[2021-11-13 18:38:58,929 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 222 520) no Hoare annotation was computed.
[2021-11-13 18:38:58,930 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 535) no Hoare annotation was computed.
[2021-11-13 18:38:58,930 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 546) no Hoare annotation was computed.
[2021-11-13 18:38:58,930 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed.
[2021-11-13 18:38:58,930 INFO L854 garLoopResultBuilder]: At program point L216(lines 215 524) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 (not .cse0) .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 3))))
[2021-11-13 18:38:58,931 INFO L854 garLoopResultBuilder]: At program point L183(lines 173 538) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:38:58,931 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 582) no Hoare annotation was computed.
[2021-11-13 18:38:58,931 INFO L858 garLoopResultBuilder]: For program point L580-2(lines 580 582) no Hoare annotation was computed.
[2021-11-13 18:38:58,931 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 384) no Hoare annotation was computed.
[2021-11-13 18:38:58,932 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed.
[2021-11-13 18:38:58,932 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:38:58,932 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 523) no Hoare annotation was computed.
[2021-11-13 18:38:58,932 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 534) no Hoare annotation was computed.
[2021-11-13 18:38:58,932 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 545) no Hoare annotation was computed.
[2021-11-13 18:38:58,933 INFO L858 garLoopResultBuilder]: For program point L119-1(lines 96 586) no Hoare annotation was computed.
[2021-11-13 18:38:58,933 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed.
[2021-11-13 18:38:58,933 INFO L861 garLoopResultBuilder]: At program point L219(lines 218 523) the Hoare annotation is: true
[2021-11-13 18:38:58,933 INFO L854 garLoopResultBuilder]: At program point L153(lines 149 546) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse2 (< 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))))
[2021-11-13 18:38:58,934 INFO L858 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed.
[2021-11-13 18:38:58,934 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 256) no Hoare annotation was computed.
[2021-11-13 18:38:58,934 INFO L858 garLoopResultBuilder]: For program point L485(lines 485 488) no Hoare annotation was computed.
[2021-11-13 18:38:58,934 INFO L861 garLoopResultBuilder]: At program point L221(lines 220 523) the Hoare annotation is: true
[2021-11-13 18:38:58,935 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 533) no Hoare annotation was computed.
[2021-11-13 18:38:58,935 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 544) no Hoare annotation was computed.
[2021-11-13 18:38:58,935 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 555) no Hoare annotation was computed.
[2021-11-13 18:38:58,935 INFO L861 garLoopResultBuilder]: At program point L585(lines 22 587) the Hoare annotation is: true
[2021-11-13 18:38:58,935 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 331) no Hoare annotation was computed.
[2021-11-13 18:38:58,936 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 331) no Hoare annotation was computed.
[2021-11-13 18:38:58,936 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 534) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))
[2021-11-13 18:38:58,936 INFO L854 garLoopResultBuilder]: At program point L123(lines 122 555) the Hoare annotation is: (and (= 12292 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:38:58,936 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 357) no Hoare annotation was computed.
[2021-11-13 18:38:58,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:38:58,937 INFO L854 garLoopResultBuilder]: At program point L521(lines 119 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse6 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse7 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse8 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse9 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 3)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse10 (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse12 (not .cse0)) (.cse5 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse11 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528))) (or (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6) (and (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (and .cse0 .cse3 .cse7 .cse8 .cse6) (and .cse9 .cse3) (and (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse3 .cse2 .cse10) (and .cse11 .cse7 .cse12 .cse8 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 .cse9 .cse11) (and .cse0 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2) (and .cse0 .cse11 .cse10) (and .cse11 .cse4 .cse12 .cse5) (and .cse11 (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse1))))
[2021-11-13 18:38:58,937 INFO L858 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed.
[2021-11-13 18:38:58,938 INFO L854 garLoopResultBuilder]: At program point L356(lines 96 586) the Hoare annotation is: false
[2021-11-13 18:38:58,938 INFO L858 garLoopResultBuilder]: For program point L422-2(lines 222 520) no Hoare annotation was computed.
[2021-11-13 18:38:58,938 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 532) no Hoare annotation was computed.
[2021-11-13 18:38:58,938 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 543) no Hoare annotation was computed.
[2021-11-13 18:38:58,938 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 554) no Hoare annotation was computed.
[2021-11-13 18:38:58,939 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed.
[2021-11-13 18:38:58,939 INFO L854 garLoopResultBuilder]: At program point L159(lines 155 544) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (< 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:38:58,939 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 572) no Hoare annotation was computed.
[2021-11-13 18:38:58,939 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 393) no Hoare annotation was computed.
[2021-11-13 18:38:58,940 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 360) no Hoare annotation was computed.
[2021-11-13 18:38:58,940 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 327) no Hoare annotation was computed.
[2021-11-13 18:38:58,940 INFO L858 garLoopResultBuilder]: For program point L292(lines 292 294) no Hoare annotation was computed.
[2021-11-13 18:38:58,940 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 323 331) no Hoare annotation was computed.
[2021-11-13 18:38:58,940 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:38:58,941 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 571) no Hoare annotation was computed.
[2021-11-13 18:38:58,941 INFO L854 garLoopResultBuilder]: At program point L227(lines 125 554) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:38:58,941 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 531) no Hoare annotation was computed.
[2021-11-13 18:38:58,941 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 542) no Hoare annotation was computed.
[2021-11-13 18:38:58,942 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 553) no Hoare annotation was computed.
[2021-11-13 18:38:58,942 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 563) no Hoare annotation was computed.
[2021-11-13 18:38:58,942 INFO L858 garLoopResultBuilder]: For program point L558-2(lines 557 571) no Hoare annotation was computed.
[2021-11-13 18:38:58,942 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 532) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))
[2021-11-13 18:38:58,942 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 562) no Hoare annotation was computed.
[2021-11-13 18:38:58,943 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 400) no Hoare annotation was computed.
[2021-11-13 18:38:58,943 INFO L858 garLoopResultBuilder]: For program point L395-2(lines 395 400) no Hoare annotation was computed.
[2021-11-13 18:38:58,943 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 530) no Hoare annotation was computed.
[2021-11-13 18:38:58,943 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 541) no Hoare annotation was computed.
[2021-11-13 18:38:58,943 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 552) no Hoare annotation was computed.
[2021-11-13 18:38:58,944 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:38:58,944 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 584) no Hoare annotation was computed.
[2021-11-13 18:38:58,944 INFO L854 garLoopResultBuilder]: At program point L165(lines 161 542) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:38:58,944 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 498) no Hoare annotation was computed.
[2021-11-13 18:38:58,945 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed.
[2021-11-13 18:38:58,945 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 232 234) no Hoare annotation was computed.
[2021-11-13 18:38:58,945 INFO L861 garLoopResultBuilder]: At program point L596(lines 588 598) the Hoare annotation is: true
[2021-11-13 18:38:58,945 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 434) no Hoare annotation was computed.
[2021-11-13 18:38:58,946 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 529) no Hoare annotation was computed.
[2021-11-13 18:38:58,946 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 540) no Hoare annotation was computed.
[2021-11-13 18:38:58,946 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 551) no Hoare annotation was computed.
[2021-11-13 18:38:58,950 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:38:58,952 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:38:58,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:38:58 BoogieIcfgContainer
[2021-11-13 18:38:58,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:38:58,980 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:38:58,980 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:38:58,981 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:38:58,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:38:32" (3/4) ...
[2021-11-13 18:38:58,985 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:38:59,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:38:59,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:38:59,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:38:59,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:38:59,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:38:59,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:38:59,118 INFO L158 Benchmark]: Toolchain (without parser) took 28766.54ms. Allocated memory was 96.5MB in the beginning and 427.8MB in the end (delta: 331.4MB). Free memory was 68.9MB in the beginning and 253.8MB in the end (delta: -184.9MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,118 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:38:59,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.50ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 54.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.52ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,120 INFO L158 Benchmark]: Boogie Preprocessor took 89.04ms. Allocated memory is still 96.5MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,120 INFO L158 Benchmark]: RCFGBuilder took 1065.57ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 59.1MB in the end (delta: -10.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,121 INFO L158 Benchmark]: TraceAbstraction took 26777.14ms. Allocated memory was 96.5MB in the beginning and 427.8MB in the end (delta: 331.4MB). Free memory was 58.8MB in the beginning and 263.3MB in the end (delta: -204.5MB). Peak memory consumption was 265.6MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,121 INFO L158 Benchmark]: Witness Printer took 137.16ms. Allocated memory is still 427.8MB. Free memory was 263.3MB in the beginning and 253.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:38:59,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 583.50ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 54.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 103.52ms. Allocated memory is still 96.5MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 89.04ms. Allocated memory is still 96.5MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1065.57ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 59.1MB in the end (delta: -10.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 26777.14ms. Allocated memory was 96.5MB in the beginning and 427.8MB in the end (delta: 331.4MB). Free memory was 58.8MB in the beginning and 263.3MB in the end (delta: -204.5MB). Peak memory consumption was 265.6MB. Max. memory is 16.1GB.
* Witness Printer took 137.16ms. Allocated memory is still 427.8MB. Free memory was 263.3MB in the beginning and 253.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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: 584]: 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, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 27, TraceHistogramMax: 21, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2679 SdHoareTripleChecker+Valid, 3415.82ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2679 mSDsluCounter, 7609 SdHoareTripleChecker+Invalid, 2683.25ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2773 mSDsCounter, 714 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2711 IncrementalHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 714 mSolverCounterUnsat, 4836 mSDtfsCounter, 2711 mSolverCounterSat, 67.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3743 GetRequests, 3698 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5789occurred in iteration=23, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 4077 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 155 NumberOfFragments, 425 HoareAnnotationTreeSize, 22 FomulaSimplifications, 4882 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 22 FomulaSimplificationsInter, 6975 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 8657 NumberOfCodeBlocks, 8657 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 9952 ConstructedInterpolants, 0 QuantifiedInterpolants, 13252 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4061 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 44503/44624 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: 220]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 185]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4512
- InvariantResult [Line: 96]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 215]: Loop Invariant
Derived loop invariant: ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0) || ((((2 == blastFlag && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)
- InvariantResult [Line: 203]: Loop Invariant
Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) || (((4432 <= s__state && s__hit == 0) && s__state <= 4560) && blastFlag <= 4)) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4560)
- InvariantResult [Line: 122]: Loop Invariant
Derived loop invariant: 12292 == s__state && blastFlag == 0
- InvariantResult [Line: 191]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4512
- InvariantResult [Line: 155]: Loop Invariant
Derived loop invariant: ((s__hit == 0 && s__state <= 4432) && 4384 < s__state) && blastFlag <= 4
- InvariantResult [Line: 149]: Loop Invariant
Derived loop invariant: (((s__hit == 0 && s__state <= 4432) && 2 == blastFlag) && 4384 < s__state) || ((((s__hit == 0 && s__state <= 4432) && s__s3__tmp__next_state___0 <= 4560) && 4384 < s__state) && blastFlag <= 4)
- InvariantResult [Line: 119]: Loop Invariant
Derived loop invariant: ((((((((((((((4432 <= s__state && s__hit == 0) && s__state <= 4528) && blastFlag <= 4) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (4384 == s__state && blastFlag == 1)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (4368 == s__state && blastFlag == 0)) || (((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 4) && 4400 == s__state)) || ((((2 == blastFlag && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)) || ((s__hit == 0 && s__state <= 3) && 2 == blastFlag)) || ((s__hit == 0 && 4416 == s__state) && blastFlag <= 4)) || ((s__hit == 0 && 2 == blastFlag) && 4400 == s__state)) || (((2 == blastFlag && s__state <= 4560) && !(s__hit == 0)) && 4560 <= s__state)) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4528)
- InvariantResult [Line: 167]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4464) && blastFlag <= 4
- InvariantResult [Line: 209]: Loop Invariant
Derived loop invariant: ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0) || (((2 == blastFlag && s__state <= 4560) && !(s__hit == 0)) && 4560 <= s__state)
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 161]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4448) && blastFlag <= 4
- InvariantResult [Line: 588]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 118]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 125]: Loop Invariant
Derived loop invariant: s__state <= 4352 && blastFlag == 0
- InvariantResult [Line: 137]: Loop Invariant
Derived loop invariant: (s__state < 4400 && 4352 <= s__state) && blastFlag == 0
- InvariantResult [Line: 173]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4480) && blastFlag <= 4
- InvariantResult [Line: 218]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 197]: Loop Invariant
Derived loop invariant: (((4432 <= s__state && s__hit == 0) && s__state <= 4528) && blastFlag <= 4) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4528)
- InvariantResult [Line: 143]: Loop Invariant
Derived loop invariant: (s__state < 4400 && blastFlag == 1) && 4352 <= s__state
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:38:59,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db2c522f-061d-4fcf-84bf-f97ea9bc73f4/bin/uautomizer-YU5uOKAj3y/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