./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.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_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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_d0268d63-079e-4402-a4b6-e957122d246d/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 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:37:02,969 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:37:02,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:37:03,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:37:03,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:37:03,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:37:03,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:37:03,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:37:03,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:37:03,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:37:03,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:37:03,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:37:03,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:37:03,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:37:03,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:37:03,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:37:03,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:37:03,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:37:03,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:37:03,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:37:03,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:37:03,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:37:03,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:37:03,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:37:03,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:37:03,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:37:03,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:37:03,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:37:03,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:37:03,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:37:03,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:37:03,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:37:03,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:37:03,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:37:03,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:37:03,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:37:03,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:37:03,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:37:03,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:37:03,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:37:03,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:37:03,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:37:03,152 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:37:03,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:37:03,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:37:03,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:37:03,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:37:03,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:37:03,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:37:03,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:37:03,155 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:37:03,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:37:03,157 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:37:03,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:37:03,157 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:37:03,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:37:03,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:37:03,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:37:03,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:37:03,158 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:37:03,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:37:03,159 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:37:03,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:37:03,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:37:03,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:37:03,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:37:03,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:37:03,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:37:03,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:37:03,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:37:03,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:37:03,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:37:03,161 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:37:03,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:37:03,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:37:03,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:37:03,162 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_d0268d63-079e-4402-a4b6-e957122d246d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
[2021-11-13 18:37:03,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:37:03,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:37:03,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:37:03,463 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:37:03,464 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:37:03,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2021-11-13 18:37:03,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/444f7e38c/dc1cebc7302b4282b2d9558f76edffb3/FLAG6811004f0
[2021-11-13 18:37:04,129 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:37:04,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2021-11-13 18:37:04,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/444f7e38c/dc1cebc7302b4282b2d9558f76edffb3/FLAG6811004f0
[2021-11-13 18:37:04,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/444f7e38c/dc1cebc7302b4282b2d9558f76edffb3
[2021-11-13 18:37:04,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:37:04,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:37:04,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:37:04,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:37:04,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:37:04,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141e92d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04, skipping insertion in model container
[2021-11-13 18:37:04,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:37:04,462 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:37:04,750 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_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2021-11-13 18:37:04,769 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:37:04,779 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:37:04,846 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_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2021-11-13 18:37:04,871 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:37:04,890 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:37:04,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04 WrapperNode
[2021-11-13 18:37:04,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:37:04,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:37:04,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:37:04,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:37:04,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:37:04,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:37:04,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:37:04,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:37:04,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:04,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:37:04,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:37:04,990 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:37:04,990 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:37:04,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (1/1) ...
[2021-11-13 18:37:05,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:37:05,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:37:05,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:05,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:37:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:37:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2021-11-13 18:37:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2021-11-13 18:37:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2021-11-13 18:37:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2021-11-13 18:37:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2021-11-13 18:37:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2021-11-13 18:37:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2021-11-13 18:37:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2021-11-13 18:37:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2021-11-13 18:37:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2021-11-13 18:37:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2021-11-13 18:37:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2021-11-13 18:37:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2021-11-13 18:37:05,117 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2021-11-13 18:37:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:37:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2021-11-13 18:37:05,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2021-11-13 18:37:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:37:05,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:37:05,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:37:05,967 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:37:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:37:05 BoogieIcfgContainer
[2021-11-13 18:37:05,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:37:05,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:37:05,975 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:37:05,978 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:37:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:37:04" (1/3) ...
[2021-11-13 18:37:05,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c6825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:37:05, skipping insertion in model container
[2021-11-13 18:37:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:04" (2/3) ...
[2021-11-13 18:37:05,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c6825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:37:05, skipping insertion in model container
[2021-11-13 18:37:05,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:37:05" (3/3) ...
[2021-11-13 18:37:05,981 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c
[2021-11-13 18:37:05,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:37:05,987 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:37:06,053 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:37:06,061 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 18:37:06,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:37:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14)
[2021-11-13 18:37:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-11-13 18:37:06,116 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:06,117 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, 1]
[2021-11-13 18:37:06,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:06,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:06,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2094937371, now seen corresponding path program 1 times
[2021-11-13 18:37:06,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:06,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50012054]
[2021-11-13 18:37:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-11-13 18:37:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,437 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 18:37:06,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:06,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50012054]
[2021-11-13 18:37:06,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50012054] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:06,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:06,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:37:06,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586654962]
[2021-11-13 18:37:06,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:06,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:37:06,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:06,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:37:06,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:37:06,476 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:06,512 INFO L93 Difference]: Finished difference Result 194 states and 263 transitions.
[2021-11-13 18:37:06,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:37:06,514 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25
[2021-11-13 18:37:06,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:06,525 INFO L225 Difference]: With dead ends: 194
[2021-11-13 18:37:06,525 INFO L226 Difference]: Without dead ends: 92
[2021-11-13 18:37:06,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:37:06,533 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:06,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.13ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:37:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2021-11-13 18:37:06,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2021-11-13 18:37:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2021-11-13 18:37:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions.
[2021-11-13 18:37:06,582 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25
[2021-11-13 18:37:06,582 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:06,582 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions.
[2021-11-13 18:37:06,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions.
[2021-11-13 18:37:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-13 18:37:06,586 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:06,586 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, 1, 1]
[2021-11-13 18:37:06,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:37:06,586 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:06,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1959573933, now seen corresponding path program 1 times
[2021-11-13 18:37:06,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:06,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113317442]
[2021-11-13 18:37:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:06,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2021-11-13 18:37:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,680 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 18:37:06,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:06,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113317442]
[2021-11-13 18:37:06,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113317442] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:06,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:06,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:37:06,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520944551]
[2021-11-13 18:37:06,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:06,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:37:06,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:06,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:37:06,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:37:06,684 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:06,702 INFO L93 Difference]: Finished difference Result 145 states and 187 transitions.
[2021-11-13 18:37:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:37:06,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2021-11-13 18:37:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:06,705 INFO L225 Difference]: With dead ends: 145
[2021-11-13 18:37:06,705 INFO L226 Difference]: Without dead ends: 83
[2021-11-13 18:37:06,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:37:06,708 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.41ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:06,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.84ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.41ms Time]
[2021-11-13 18:37:06,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2021-11-13 18:37:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2021-11-13 18:37:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11)
[2021-11-13 18:37:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions.
[2021-11-13 18:37:06,721 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26
[2021-11-13 18:37:06,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:06,722 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions.
[2021-11-13 18:37:06,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions.
[2021-11-13 18:37:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-13 18:37:06,724 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:06,724 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, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:06,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:37:06,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2030749758, now seen corresponding path program 1 times
[2021-11-13 18:37:06,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:06,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827280034]
[2021-11-13 18:37:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:06,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2021-11-13 18:37:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:37:06,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:06,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827280034]
[2021-11-13 18:37:06,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827280034] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:06,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:06,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:37:06,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309690955]
[2021-11-13 18:37:06,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:06,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:37:06,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:06,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:37:06,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:37:06,889 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:07,042 INFO L93 Difference]: Finished difference Result 203 states and 265 transitions.
[2021-11-13 18:37:07,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:37:07,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2021-11-13 18:37:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:07,047 INFO L225 Difference]: With dead ends: 203
[2021-11-13 18:37:07,047 INFO L226 Difference]: Without dead ends: 127
[2021-11-13 18:37:07,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:37:07,052 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 170 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.01ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.95ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:07,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 369 Invalid, 33 Unknown, 0 Unchecked, 10.01ms Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 71.95ms Time]
[2021-11-13 18:37:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2021-11-13 18:37:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124.
[2021-11-13 18:37:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 106 states have internal predecessors, (128), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17)
[2021-11-13 18:37:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 161 transitions.
[2021-11-13 18:37:07,093 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 161 transitions. Word has length 31
[2021-11-13 18:37:07,093 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:07,093 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 161 transitions.
[2021-11-13 18:37:07,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions.
[2021-11-13 18:37:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-11-13 18:37:07,096 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:07,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:07,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:37:07,097 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:07,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:07,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1089524515, now seen corresponding path program 1 times
[2021-11-13 18:37:07,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:07,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467073101]
[2021-11-13 18:37:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:07,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2021-11-13 18:37:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:07,223 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 18:37:07,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:07,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467073101]
[2021-11-13 18:37:07,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467073101] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:07,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:07,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:37:07,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657048772]
[2021-11-13 18:37:07,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:07,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:37:07,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:07,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:37:07,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:37:07,226 INFO L87 Difference]: Start difference. First operand 124 states and 161 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:07,294 INFO L93 Difference]: Finished difference Result 352 states and 475 transitions.
[2021-11-13 18:37:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:37:07,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34
[2021-11-13 18:37:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:07,298 INFO L225 Difference]: With dead ends: 352
[2021-11-13 18:37:07,298 INFO L226 Difference]: Without dead ends: 235
[2021-11-13 18:37:07,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:37:07,302 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 76 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.31ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.80ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:07,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 431 Invalid, 33 Unknown, 0 Unchecked, 3.31ms Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 27.80ms Time]
[2021-11-13 18:37:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2021-11-13 18:37:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 229.
[2021-11-13 18:37:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 174 states have (on average 1.3275862068965518) internal successors, (231), 193 states have internal predecessors, (231), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (37), 22 states have call predecessors, (37), 32 states have call successors, (37)
[2021-11-13 18:37:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions.
[2021-11-13 18:37:07,358 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 34
[2021-11-13 18:37:07,358 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:07,359 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions.
[2021-11-13 18:37:07,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions.
[2021-11-13 18:37:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-11-13 18:37:07,364 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:07,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:07,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:37:07,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2017651048, now seen corresponding path program 1 times
[2021-11-13 18:37:07,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:07,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595580707]
[2021-11-13 18:37:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:07,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2021-11-13 18:37:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:07,449 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 18:37:07,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:37:07,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595580707]
[2021-11-13 18:37:07,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595580707] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:07,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:07,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:37:07,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818460108]
[2021-11-13 18:37:07,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:07,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:37:07,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:37:07,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:37:07,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:37:07,458 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:07,513 INFO L93 Difference]: Finished difference Result 514 states and 689 transitions.
[2021-11-13 18:37:07,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:37:07,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36
[2021-11-13 18:37:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:07,523 INFO L225 Difference]: With dead ends: 514
[2021-11-13 18:37:07,524 INFO L226 Difference]: Without dead ends: 292
[2021-11-13 18:37:07,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:37:07,529 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.60ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.38ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:07,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 174 Invalid, 19 Unknown, 0 Unchecked, 2.60ms Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 22.38ms Time]
[2021-11-13 18:37:07,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2021-11-13 18:37:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288.
[2021-11-13 18:37:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 222 states have (on average 1.2837837837837838) internal successors, (285), 238 states have internal predecessors, (285), 35 states have call successors, (35), 32 states have call predecessors, (35), 30 states have return successors, (48), 32 states have call predecessors, (48), 35 states have call successors, (48)
[2021-11-13 18:37:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 368 transitions.
[2021-11-13 18:37:07,562 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 368 transitions. Word has length 36
[2021-11-13 18:37:07,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:07,563 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 368 transitions.
[2021-11-13 18:37:07,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:37:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 368 transitions.
[2021-11-13 18:37:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:37:07,565 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:07,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:07,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:37:07,565 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:07,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:07,566 INFO L85 PathProgramCache]: Analyzing trace with hash -422775543, now seen corresponding path program 1 times
[2021-11-13 18:37:07,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:37:07,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33056561]
[2021-11-13 18:37:07,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:07,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:37:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:37:07,634 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:37:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:37:07,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:37:07,738 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:37:07,739 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:37:07,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:37:07,744 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:07,747 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:37:07,788 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.NullPointerException
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206)
at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155)
at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-11-13 18:37:07,791 INFO L158 Benchmark]: Toolchain (without parser) took 3393.47ms. Allocated memory is still 134.2MB. Free memory was 98.7MB in the beginning and 60.0MB in the end (delta: 38.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB.
[2021-11-13 18:37:07,791 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:37:07,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.89ms. Allocated memory is still 134.2MB. Free memory was 98.4MB in the beginning and 101.4MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 18:37:07,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.81ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:37:07,793 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:37:07,794 INFO L158 Benchmark]: RCFGBuilder took 983.57ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 58.3MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2021-11-13 18:37:07,794 INFO L158 Benchmark]: TraceAbstraction took 1815.43ms. Allocated memory is still 134.2MB. Free memory was 57.5MB in the beginning and 60.0MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:37:07,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 491.89ms. Allocated memory is still 134.2MB. Free memory was 98.4MB in the beginning and 101.4MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 60.81ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.95ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 983.57ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 58.3MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1815.43ms. Allocated memory is still 134.2MB. Free memory was 57.5MB in the beginning and 60.0MB in the end (delta: -2.5MB). There was no memory consumed. 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
- ExceptionOrErrorResult: NullPointerException: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-13 18:37:07,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:37:10,187 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:37:10,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:37:10,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:37:10,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:37:10,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:37:10,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:37:10,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:37:10,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:37:10,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:37:10,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:37:10,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:37:10,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:37:10,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:37:10,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:37:10,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:37:10,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:37:10,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:37:10,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:37:10,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:37:10,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:37:10,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:37:10,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:37:10,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:37:10,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:37:10,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:37:10,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:37:10,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:37:10,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:37:10,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:37:10,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:37:10,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:37:10,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:37:10,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:37:10,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:37:10,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:37:10,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:37:10,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:37:10,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:37:10,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:37:10,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:37:10,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 18:37:10,304 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:37:10,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:37:10,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:37:10,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:37:10,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:37:10,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:37:10,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:37:10,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:37:10,307 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:37:10,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:37:10,308 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:37:10,308 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:37:10,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:37:10,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:37:10,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:37:10,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:37:10,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 18:37:10,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 18:37:10,310 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:37:10,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:37:10,310 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:37:10,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:37:10,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:37:10,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:37:10,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:37:10,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:37:10,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:37:10,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:37:10,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:37:10,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 18:37:10,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 18:37:10,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:37:10,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:37:10,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:37:10,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:37:10,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 18:37:10,315 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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_d0268d63-079e-4402-a4b6-e957122d246d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
[2021-11-13 18:37:10,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:37:10,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:37:10,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:37:10,716 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:37:10,717 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:37:10,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2021-11-13 18:37:10,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/9210b6999/248f954c9c8d42d7bd24eddbf779851b/FLAG11b801f90
[2021-11-13 18:37:11,415 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:37:11,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2021-11-13 18:37:11,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/9210b6999/248f954c9c8d42d7bd24eddbf779851b/FLAG11b801f90
[2021-11-13 18:37:11,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/data/9210b6999/248f954c9c8d42d7bd24eddbf779851b
[2021-11-13 18:37:11,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:37:11,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:37:11,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:37:11,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:37:11,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:37:11,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:37:11" (1/1) ...
[2021-11-13 18:37:11,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495ae1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:11, skipping insertion in model container
[2021-11-13 18:37:11,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:37:11" (1/1) ...
[2021-11-13 18:37:11,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:37:11,734 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:37:11,984 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_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2021-11-13 18:37:12,020 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:37:12,039 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:37:12,131 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_d0268d63-079e-4402-a4b6-e957122d246d/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2021-11-13 18:37:12,143 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:37:12,165 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:37:12,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12 WrapperNode
[2021-11-13 18:37:12,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:37:12,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:37:12,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:37:12,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:37:12,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:37:12,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:37:12,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:37:12,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:37:12,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:37:12,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:37:12,298 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:37:12,298 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:37:12,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (1/1) ...
[2021-11-13 18:37:12,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:37:12,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:37:12,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:12,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:37:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:37:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2021-11-13 18:37:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2021-11-13 18:37:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2021-11-13 18:37:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2021-11-13 18:37:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2021-11-13 18:37:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2021-11-13 18:37:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2021-11-13 18:37:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2021-11-13 18:37:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2021-11-13 18:37:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2021-11-13 18:37:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2021-11-13 18:37:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2021-11-13 18:37:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 18:37:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2021-11-13 18:37:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2021-11-13 18:37:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2021-11-13 18:37:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2021-11-13 18:37:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:37:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:37:14,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:37:14,770 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:37:14,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:37:14 BoogieIcfgContainer
[2021-11-13 18:37:14,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:37:14,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:37:14,774 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:37:14,777 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:37:14,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:37:11" (1/3) ...
[2021-11-13 18:37:14,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe3fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:37:14, skipping insertion in model container
[2021-11-13 18:37:14,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:37:12" (2/3) ...
[2021-11-13 18:37:14,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe3fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:37:14, skipping insertion in model container
[2021-11-13 18:37:14,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:37:14" (3/3) ...
[2021-11-13 18:37:14,783 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c
[2021-11-13 18:37:14,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:37:14,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:37:14,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:37:14,843 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 18:37:14,844 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:37:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14)
[2021-11-13 18:37:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-11-13 18:37:14,872 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:14,873 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, 1]
[2021-11-13 18:37:14,873 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2094937371, now seen corresponding path program 1 times
[2021-11-13 18:37:14,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:37:14,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361827191]
[2021-11-13 18:37:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:14,898 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:37:14,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:37:14,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:14,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 18:37:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:15,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 18:37:15,188 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:37:15,284 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 18:37:15,284 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:37:15,347 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 18:37:15,348 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:37:15,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361827191]
[2021-11-13 18:37:15,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361827191] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:15,349 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:15,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 18:37:15,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768652122]
[2021-11-13 18:37:15,352 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:15,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:37:15,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:37:15,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:37:15,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:37:15,385 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:15,420 INFO L93 Difference]: Finished difference Result 194 states and 263 transitions.
[2021-11-13 18:37:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:37:15,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2021-11-13 18:37:15,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:15,432 INFO L225 Difference]: With dead ends: 194
[2021-11-13 18:37:15,433 INFO L226 Difference]: Without dead ends: 92
[2021-11-13 18:37:15,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:37:15,441 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:15,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.95ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:37:15,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2021-11-13 18:37:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2021-11-13 18:37:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2021-11-13 18:37:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions.
[2021-11-13 18:37:15,488 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25
[2021-11-13 18:37:15,489 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:15,489 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions.
[2021-11-13 18:37:15,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions.
[2021-11-13 18:37:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-11-13 18:37:15,493 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:15,493 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, 1, 1]
[2021-11-13 18:37:15,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:37:15,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:37:15,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1959573933, now seen corresponding path program 1 times
[2021-11-13 18:37:15,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:37:15,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330895303]
[2021-11-13 18:37:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:15,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:37:15,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:37:15,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 18:37:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:15,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:37:15,937 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:37:16,037 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 18:37:16,038 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:37:16,106 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 18:37:16,106 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:37:16,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330895303]
[2021-11-13 18:37:16,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330895303] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:16,108 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:16,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2021-11-13 18:37:16,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828390740]
[2021-11-13 18:37:16,115 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:16,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:37:16,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:37:16,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:37:16,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:37:16,121 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:16,163 INFO L93 Difference]: Finished difference Result 145 states and 187 transitions.
[2021-11-13 18:37:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:37:16,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2021-11-13 18:37:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:16,173 INFO L225 Difference]: With dead ends: 145
[2021-11-13 18:37:16,175 INFO L226 Difference]: Without dead ends: 83
[2021-11-13 18:37:16,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:37:16,179 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.67ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:16,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 274 Invalid, 1 Unknown, 0 Unchecked, 7.46ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.67ms Time]
[2021-11-13 18:37:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2021-11-13 18:37:16,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2021-11-13 18:37:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11)
[2021-11-13 18:37:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions.
[2021-11-13 18:37:16,204 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26
[2021-11-13 18:37:16,204 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:16,205 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions.
[2021-11-13 18:37:16,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions.
[2021-11-13 18:37:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2021-11-13 18:37:16,212 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:16,212 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, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:16,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:37:16,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:37:16,424 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2030749758, now seen corresponding path program 1 times
[2021-11-13 18:37:16,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:37:16,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838470254]
[2021-11-13 18:37:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:16,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:37:16,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:37:16,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 18:37:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:16,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:37:16,612 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:37:16,689 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 18:37:16,689 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:37:16,776 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 18:37:16,776 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:37:16,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838470254]
[2021-11-13 18:37:16,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838470254] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:16,779 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:16,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2021-11-13 18:37:16,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359913339]
[2021-11-13 18:37:16,780 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:16,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:37:16,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:37:16,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:37:16,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:37:16,785 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:16,929 INFO L93 Difference]: Finished difference Result 277 states and 364 transitions.
[2021-11-13 18:37:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:37:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31
[2021-11-13 18:37:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:16,933 INFO L225 Difference]: With dead ends: 277
[2021-11-13 18:37:16,933 INFO L226 Difference]: Without dead ends: 201
[2021-11-13 18:37:16,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:37:16,935 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 192 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.69ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.10ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:16,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 315 Invalid, 32 Unknown, 0 Unchecked, 4.69ms Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 106.10ms Time]
[2021-11-13 18:37:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2021-11-13 18:37:16,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 195.
[2021-11-13 18:37:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 148 states have (on average 1.3581081081081081) internal successors, (201), 166 states have internal predecessors, (201), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28)
[2021-11-13 18:37:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions.
[2021-11-13 18:37:16,970 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 31
[2021-11-13 18:37:16,971 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:16,971 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions.
[2021-11-13 18:37:16,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:37:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions.
[2021-11-13 18:37:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-11-13 18:37:16,976 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:16,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:16,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:37:17,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:37:17,185 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:17,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:17,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1089524515, now seen corresponding path program 1 times
[2021-11-13 18:37:17,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:37:17,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588930752]
[2021-11-13 18:37:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:17,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:37:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:37:17,201 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 18:37:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:37:17,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 18:37:17,371 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:37:17,502 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 18:37:17,502 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:37:17,634 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 18:37:17,634 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:37:17,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588930752]
[2021-11-13 18:37:17,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588930752] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:37:17,635 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:37:17,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2021-11-13 18:37:17,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618468657]
[2021-11-13 18:37:17,635 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:37:17,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:37:17,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:37:17,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:37:17,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:37:17,637 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:37:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:37:17,941 INFO L93 Difference]: Finished difference Result 761 states and 1057 transitions.
[2021-11-13 18:37:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 18:37:17,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34
[2021-11-13 18:37:17,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:37:17,949 INFO L225 Difference]: With dead ends: 761
[2021-11-13 18:37:17,949 INFO L226 Difference]: Without dead ends: 573
[2021-11-13 18:37:17,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:37:17,952 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 210 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.07ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 178.85ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:37:17,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 809 Invalid, 124 Unknown, 0 Unchecked, 7.07ms Time], IncrementalHoareTripleChecker [26 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 178.85ms Time]
[2021-11-13 18:37:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states.
[2021-11-13 18:37:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 543.
[2021-11-13 18:37:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 407 states have (on average 1.3341523341523343) internal successors, (543), 456 states have internal predecessors, (543), 81 states have call successors, (81), 57 states have call predecessors, (81), 54 states have return successors, (103), 54 states have call predecessors, (103), 81 states have call successors, (103)
[2021-11-13 18:37:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 727 transitions.
[2021-11-13 18:37:18,022 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 727 transitions. Word has length 34
[2021-11-13 18:37:18,023 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:37:18,023 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 727 transitions.
[2021-11-13 18:37:18,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:37:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 727 transitions.
[2021-11-13 18:37:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:37:18,027 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:37:18,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:37:18,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:37:18,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:37:18,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:37:18,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:37:18,238 INFO L85 PathProgramCache]: Analyzing trace with hash -422775543, now seen corresponding path program 1 times
[2021-11-13 18:37:18,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:37:18,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978466333]
[2021-11-13 18:37:18,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:37:18,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:37:18,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:37:18,240 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:37:18,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 18:37:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:37:19,440 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:37:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:37:20,471 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-11-13 18:37:20,472 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:37:20,473 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:37:20,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:37:20,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:37:20,696 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2021-11-13 18:37:20,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:37:20,766 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.NullPointerException
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206)
at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155)
at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-11-13 18:37:20,768 INFO L158 Benchmark]: Toolchain (without parser) took 9112.25ms. Allocated memory was 69.2MB in the beginning and 130.0MB in the end (delta: 60.8MB). Free memory was 49.6MB in the beginning and 72.0MB in the end (delta: -22.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,768 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:37:20,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.97ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 47.9MB in the end (delta: 1.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,769 INFO L158 Benchmark]: Boogie Preprocessor took 40.24ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,770 INFO L158 Benchmark]: RCFGBuilder took 2488.85ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 42.9MB in the beginning and 77.2MB in the end (delta: -34.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,770 INFO L158 Benchmark]: TraceAbstraction took 5993.57ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 72.0MB in the end (delta: 4.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2021-11-13 18:37:20,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 504.97ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 47.9MB in the end (delta: 1.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 75.13ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.24ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 2488.85ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 42.9MB in the beginning and 77.2MB in the end (delta: -34.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 5993.57ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 72.0MB in the end (delta: 4.5MB). Peak memory consumption was 31.5MB. 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
- ExceptionOrErrorResult: NullPointerException: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-13 18:37:20,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0268d63-079e-4402-a4b6-e957122d246d/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:
ERROR: ExceptionOrErrorResult: NullPointerException: null