./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:08:45,274 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:08:45,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:08:45,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:08:45,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:08:45,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:08:45,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:08:45,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:08:45,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:08:45,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:08:45,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:08:45,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:08:45,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:08:45,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:08:45,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:08:45,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:08:45,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:08:45,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:08:45,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:08:45,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:08:45,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:08:45,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:08:45,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:08:45,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:08:45,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:08:45,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:08:45,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:08:45,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:08:45,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:08:45,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:08:45,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:08:45,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:08:45,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:08:45,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:08:45,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:08:45,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:08:45,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:08:45,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:08:45,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:08:45,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:08:45,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:08:45,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:08:45,403 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:08:45,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:08:45,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:08:45,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:08:45,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:08:45,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:08:45,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:08:45,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:08:45,411 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:08:45,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:08:45,412 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:08:45,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:08:45,413 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:08:45,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:08:45,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:08:45,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:08:45,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:08:45,414 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:08:45,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:08:45,415 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:08:45,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:08:45,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:08:45,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:08:45,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:08:45,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:08:45,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:08:45,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:08:45,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:08:45,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:08:45,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:08:45,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:08:45,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:08:45,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:08:45,419 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_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d
[2022-11-02 20:08:45,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:08:45,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:08:45,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:08:45,818 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:08:45,819 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:08:45,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c
[2022-11-02 20:08:45,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/data/d770cd5c4/3f859963b87f40f686d82101301a97a3/FLAG1ae52f776
[2022-11-02 20:08:46,593 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:08:46,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c
[2022-11-02 20:08:46,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/data/d770cd5c4/3f859963b87f40f686d82101301a97a3/FLAG1ae52f776
[2022-11-02 20:08:46,819 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/data/d770cd5c4/3f859963b87f40f686d82101301a97a3
[2022-11-02 20:08:46,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:08:46,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:08:46,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:08:46,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:08:46,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:08:46,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:46" (1/1) ...
[2022-11-02 20:08:46,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3380e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:46, skipping insertion in model container
[2022-11-02 20:08:46,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:46" (1/1) ...
[2022-11-02 20:08:46,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:08:46,908 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:08:47,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507]
[2022-11-02 20:08:47,290 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:08:47,302 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:08:47,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507]
[2022-11-02 20:08:47,385 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:08:47,405 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:08:47,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47 WrapperNode
[2022-11-02 20:08:47,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:08:47,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:08:47,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:08:47,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:08:47,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,494 INFO L138 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 213
[2022-11-02 20:08:47,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:08:47,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:08:47,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:08:47,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:08:47,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:08:47,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:08:47,563 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:08:47,564 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:08:47,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (1/1) ...
[2022-11-02 20:08:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:08:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:08:47,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:08:47,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:08:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:08:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:08:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:08:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:08:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:08:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:08:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:08:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2022-11-02 20:08:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2022-11-02 20:08:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2022-11-02 20:08:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2022-11-02 20:08:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:08:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:08:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:08:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:08:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:08:47,802 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:08:47,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:08:48,111 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:08:48,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:08:48,123 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:08:48,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:48 BoogieIcfgContainer
[2022-11-02 20:08:48,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:08:48,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:08:48,138 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:08:48,161 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:08:48,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:08:46" (1/3) ...
[2022-11-02 20:08:48,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6678266f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:48, skipping insertion in model container
[2022-11-02 20:08:48,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:47" (2/3) ...
[2022-11-02 20:08:48,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6678266f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:48, skipping insertion in model container
[2022-11-02 20:08:48,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:48" (3/3) ...
[2022-11-02 20:08:48,164 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c
[2022-11-02 20:08:48,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:08:48,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:08:48,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:08:48,298 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@638c0490, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:08:48,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:08:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2022-11-02 20:08:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-11-02 20:08:48,330 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:48,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:48,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash -250715153, now seen corresponding path program 1 times
[2022-11-02 20:08:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:48,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913184167]
[2022-11-02 20:08:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:48,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913184167]
[2022-11-02 20:08:48,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913184167] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:48,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:48,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:08:48,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596918234]
[2022-11-02 20:08:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:48,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:08:48,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:48,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:08:48,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:08:48,764 INFO L87 Difference]: Start difference. First operand has 71 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:48,820 INFO L93 Difference]: Finished difference Result 134 states and 181 transitions.
[2022-11-02 20:08:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:08:48,823 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2022-11-02 20:08:48,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:48,836 INFO L225 Difference]: With dead ends: 134
[2022-11-02 20:08:48,836 INFO L226 Difference]: Without dead ends: 62
[2022-11-02 20:08:48,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:08:48,850 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:48,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:48,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2022-11-02 20:08:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2022-11-02 20:08:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:08:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions.
[2022-11-02 20:08:48,926 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 19
[2022-11-02 20:08:48,926 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:48,927 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions.
[2022-11-02 20:08:48,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions.
[2022-11-02 20:08:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-11-02 20:08:48,930 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:48,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:48,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:08:48,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:48,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1134572943, now seen corresponding path program 1 times
[2022-11-02 20:08:48,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:48,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580420879]
[2022-11-02 20:08:48,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:48,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:49,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:49,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580420879]
[2022-11-02 20:08:49,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580420879] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:49,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:49,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:08:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408923272]
[2022-11-02 20:08:49,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:49,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:08:49,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:49,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:08:49,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:08:49,095 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:49,111 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions.
[2022-11-02 20:08:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:08:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-11-02 20:08:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:49,114 INFO L225 Difference]: With dead ends: 90
[2022-11-02 20:08:49,114 INFO L226 Difference]: Without dead ends: 53
[2022-11-02 20:08:49,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:08:49,117 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 12 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:49,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2022-11-02 20:08:49,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2022-11-02 20:08:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2022-11-02 20:08:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions.
[2022-11-02 20:08:49,128 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 20
[2022-11-02 20:08:49,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:49,128 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions.
[2022-11-02 20:08:49,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions.
[2022-11-02 20:08:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-11-02 20:08:49,130 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:49,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:49,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:08:49,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:49,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1568040948, now seen corresponding path program 1 times
[2022-11-02 20:08:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:49,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878786027]
[2022-11-02 20:08:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:49,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:49,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878786027]
[2022-11-02 20:08:49,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878786027] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:49,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:49,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:08:49,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145147571]
[2022-11-02 20:08:49,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:49,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:08:49,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:08:49,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:08:49,245 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:49,259 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions.
[2022-11-02 20:08:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:08:49,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2022-11-02 20:08:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:49,261 INFO L225 Difference]: With dead ends: 99
[2022-11-02 20:08:49,261 INFO L226 Difference]: Without dead ends: 53
[2022-11-02 20:08:49,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:08:49,267 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:49,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:49,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2022-11-02 20:08:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2022-11-02 20:08:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2022-11-02 20:08:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions.
[2022-11-02 20:08:49,299 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 24
[2022-11-02 20:08:49,299 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:49,300 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions.
[2022-11-02 20:08:49,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions.
[2022-11-02 20:08:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-11-02 20:08:49,302 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:49,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:49,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:08:49,303 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:49,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1290700286, now seen corresponding path program 1 times
[2022-11-02 20:08:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:49,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279093781]
[2022-11-02 20:08:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2022-11-02 20:08:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:49,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:49,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279093781]
[2022-11-02 20:08:49,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279093781] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:49,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:49,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:08:49,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477294071]
[2022-11-02 20:08:49,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:49,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:08:49,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:49,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:08:49,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:08:49,542 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2022-11-02 20:08:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:49,657 INFO L93 Difference]: Finished difference Result 138 states and 178 transitions.
[2022-11-02 20:08:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:08:49,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29
[2022-11-02 20:08:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:49,660 INFO L225 Difference]: With dead ends: 138
[2022-11-02 20:08:49,660 INFO L226 Difference]: Without dead ends: 92
[2022-11-02 20:08:49,661 INFO L412 NwaCegarLoop]: 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
[2022-11-02 20:08:49,662 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 38 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:49,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 253 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2022-11-02 20:08:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2022-11-02 20:08:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 78 states have internal predecessors, (90), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13)
[2022-11-02 20:08:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions.
[2022-11-02 20:08:49,697 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 29
[2022-11-02 20:08:49,698 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:49,698 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions.
[2022-11-02 20:08:49,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2022-11-02 20:08:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions.
[2022-11-02 20:08:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-11-02 20:08:49,701 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:49,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:49,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:08:49,702 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:49,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1148145597, now seen corresponding path program 1 times
[2022-11-02 20:08:49,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:49,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374608450]
[2022-11-02 20:08:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:49,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2022-11-02 20:08:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:49,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374608450]
[2022-11-02 20:08:49,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374608450] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:49,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:49,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:08:49,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179299645]
[2022-11-02 20:08:49,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:49,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:08:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:49,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:08:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:08:49,793 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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)
[2022-11-02 20:08:49,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:49,813 INFO L93 Difference]: Finished difference Result 156 states and 199 transitions.
[2022-11-02 20:08:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:08:49,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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
[2022-11-02 20:08:49,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:49,816 INFO L225 Difference]: With dead ends: 156
[2022-11-02 20:08:49,816 INFO L226 Difference]: Without dead ends: 71
[2022-11-02 20:08:49,817 INFO L412 NwaCegarLoop]: 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
[2022-11-02 20:08:49,818 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:49,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2022-11-02 20:08:49,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2022-11-02 20:08:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 59 states have internal predecessors, (68), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:08:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 84 transitions.
[2022-11-02 20:08:49,832 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 84 transitions. Word has length 31
[2022-11-02 20:08:49,832 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:49,832 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 84 transitions.
[2022-11-02 20:08:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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)
[2022-11-02 20:08:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions.
[2022-11-02 20:08:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2022-11-02 20:08:49,835 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:49,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:49,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:08:49,836 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 809516028, now seen corresponding path program 1 times
[2022-11-02 20:08:49,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:49,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012852847]
[2022-11-02 20:08:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:49,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2022-11-02 20:08:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2022-11-02 20:08:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:49,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:49,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012852847]
[2022-11-02 20:08:49,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012852847] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:49,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:49,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:08:49,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707036996]
[2022-11-02 20:08:49,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:49,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:08:49,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:49,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:08:49,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:08:49,978 INFO L87 Difference]: Start difference. First operand 71 states and 84 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-02 20:08:50,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:50,089 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions.
[2022-11-02 20:08:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:08:50,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33
[2022-11-02 20:08:50,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:50,091 INFO L225 Difference]: With dead ends: 76
[2022-11-02 20:08:50,091 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:08:50,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:08:50,093 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 44 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:50,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:08:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:08:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:08:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:08:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:08:50,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33
[2022-11-02 20:08:50,096 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:50,096 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:08:50,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-02 20:08:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:08:50,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:08:50,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:08:50,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:08:50,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:08:50,730 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true
[2022-11-02 20:08:50,730 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed.
[2022-11-02 20:08:50,731 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed.
[2022-11-02 20:08:50,731 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed.
[2022-11-02 20:08:50,731 INFO L895 garLoopResultBuilder]: At program point L696(line 696) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,731 INFO L895 garLoopResultBuilder]: At program point L696-1(lines 677 701) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,732 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed.
[2022-11-02 20:08:50,732 INFO L895 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1)))
[2022-11-02 20:08:50,732 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,732 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 656 662) no Hoare annotation was computed.
[2022-11-02 20:08:50,733 INFO L895 garLoopResultBuilder]: At program point L751(lines 746 754) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1)))
[2022-11-02 20:08:50,733 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 693) no Hoare annotation was computed.
[2022-11-02 20:08:50,733 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed.
[2022-11-02 20:08:50,733 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 698) no Hoare annotation was computed.
[2022-11-02 20:08:50,733 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 533) no Hoare annotation was computed.
[2022-11-02 20:08:50,734 INFO L895 garLoopResultBuilder]: At program point L520-1(lines 512 536) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~3#1| 1) (= |timeShift_getWaterLevel_#res#1| 1)))))
[2022-11-02 20:08:50,741 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed.
[2022-11-02 20:08:50,741 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,742 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 648 667) no Hoare annotation was computed.
[2022-11-02 20:08:50,743 INFO L895 garLoopResultBuilder]: At program point L732(lines 727 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,743 INFO L895 garLoopResultBuilder]: At program point L691(line 691) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,744 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,744 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2022-11-02 20:08:50,744 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed.
[2022-11-02 20:08:50,744 INFO L899 garLoopResultBuilder]: For program point L683-1(line 683) no Hoare annotation was computed.
[2022-11-02 20:08:50,745 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed.
[2022-11-02 20:08:50,745 INFO L899 garLoopResultBuilder]: For program point L546-1(line 546) no Hoare annotation was computed.
[2022-11-02 20:08:50,745 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 540 569) no Hoare annotation was computed.
[2022-11-02 20:08:50,748 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 540 569) the Hoare annotation is: true
[2022-11-02 20:08:50,749 INFO L902 garLoopResultBuilder]: At program point L565(lines 540 569) the Hoare annotation is: true
[2022-11-02 20:08:50,749 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed.
[2022-11-02 20:08:50,749 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed.
[2022-11-02 20:08:50,750 INFO L902 garLoopResultBuilder]: At program point L554-1(lines 554 558) the Hoare annotation is: true
[2022-11-02 20:08:50,750 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed.
[2022-11-02 20:08:50,751 INFO L902 garLoopResultBuilder]: At program point L550-2(lines 550 564) the Hoare annotation is: true
[2022-11-02 20:08:50,752 INFO L902 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: true
[2022-11-02 20:08:50,753 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 843) no Hoare annotation was computed.
[2022-11-02 20:08:50,753 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:08:50,753 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 633) no Hoare annotation was computed.
[2022-11-02 20:08:50,753 INFO L899 garLoopResultBuilder]: For program point L626-2(lines 626 633) no Hoare annotation was computed.
[2022-11-02 20:08:50,754 INFO L895 garLoopResultBuilder]: At program point L845(lines 802 847) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:08:50,755 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 818) no Hoare annotation was computed.
[2022-11-02 20:08:50,755 INFO L899 garLoopResultBuilder]: For program point L812-1(lines 812 818) no Hoare annotation was computed.
[2022-11-02 20:08:50,755 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed.
[2022-11-02 20:08:50,756 INFO L902 garLoopResultBuilder]: At program point L610(lines 603 612) the Hoare annotation is: true
[2022-11-02 20:08:50,756 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:08:50,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:08:50,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:08:50,757 INFO L902 garLoopResultBuilder]: At program point L635(lines 616 638) the Hoare annotation is: true
[2022-11-02 20:08:50,757 INFO L895 garLoopResultBuilder]: At program point L887(lines 882 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:08:50,757 INFO L895 garLoopResultBuilder]: At program point L879(lines 875 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:08:50,757 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed.
[2022-11-02 20:08:50,759 INFO L895 garLoopResultBuilder]: At program point L838-2(lines 832 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:08:50,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:08:50,759 INFO L895 garLoopResultBuilder]: At program point L599(lines 595 601) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:08:50,760 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed.
[2022-11-02 20:08:50,760 INFO L899 garLoopResultBuilder]: For program point L822-1(lines 822 828) no Hoare annotation was computed.
[2022-11-02 20:08:50,761 INFO L902 garLoopResultBuilder]: At program point L851(lines 792 855) the Hoare annotation is: true
[2022-11-02 20:08:50,761 INFO L895 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:08:50,766 INFO L895 garLoopResultBuilder]: At program point L872(lines 868 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:08:50,767 INFO L895 garLoopResultBuilder]: At program point L848(lines 801 849) the Hoare annotation is: false
[2022-11-02 20:08:50,767 INFO L899 garLoopResultBuilder]: For program point L803(lines 802 847) no Hoare annotation was computed.
[2022-11-02 20:08:50,767 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed.
[2022-11-02 20:08:50,767 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed.
[2022-11-02 20:08:50,768 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0))
[2022-11-02 20:08:50,768 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 669 675) no Hoare annotation was computed.
[2022-11-02 20:08:50,769 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 669 675) the Hoare annotation is: true
[2022-11-02 20:08:50,770 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true
[2022-11-02 20:08:50,770 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed.
[2022-11-02 20:08:50,770 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed.
[2022-11-02 20:08:50,775 INFO L902 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: true
[2022-11-02 20:08:50,779 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:50,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:08:50,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:08:50 BoogieIcfgContainer
[2022-11-02 20:08:50,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:08:50,806 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:08:50,807 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:08:50,807 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:08:50,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:48" (3/4) ...
[2022-11-02 20:08:50,811 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:08:50,819 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2022-11-02 20:08:50,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2022-11-02 20:08:50,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2022-11-02 20:08:50,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2022-11-02 20:08:50,821 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2022-11-02 20:08:50,821 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2022-11-02 20:08:50,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges
[2022-11-02 20:08:50,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2022-11-02 20:08:50,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:08:50,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:08:50,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:08:50,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:08:50,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:08:50,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive)
[2022-11-02 20:08:50,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)
[2022-11-02 20:08:50,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))
[2022-11-02 20:08:50,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive)
[2022-11-02 20:08:50,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1))
[2022-11-02 20:08:50,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))
[2022-11-02 20:08:50,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive)
[2022-11-02 20:08:50,920 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:08:50,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:08:50,921 INFO L158 Benchmark]: Toolchain (without parser) took 4097.63ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 120.5MB in the beginning and 151.6MB in the end (delta: -31.0MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,922 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:08:50,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.82ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 121.8MB in the end (delta: -1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.29ms. Allocated memory is still 155.2MB. Free memory was 121.8MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,923 INFO L158 Benchmark]: Boogie Preprocessor took 59.86ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:08:50,923 INFO L158 Benchmark]: RCFGBuilder took 574.57ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 100.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,925 INFO L158 Benchmark]: TraceAbstraction took 2670.98ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 100.3MB in the beginning and 156.8MB in the end (delta: -56.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,925 INFO L158 Benchmark]: Witness Printer took 114.32ms. Allocated memory is still 188.7MB. Free memory was 156.8MB in the beginning and 151.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:08:50,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 580.82ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 121.8MB in the end (delta: -1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 88.29ms. Allocated memory is still 155.2MB. Free memory was 121.8MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 59.86ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 574.57ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 100.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2670.98ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 100.3MB in the beginning and 156.8MB in the end (delta: -56.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB.
* Witness Printer took 114.32ms. Allocated memory is still 188.7MB. Free memory was 156.8MB in the beginning and 151.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 506]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 700 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 329 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 371 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 183 PreInvPairs, 205 NumberOfFragments, 301 HoareAnnotationTreeSize, 183 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 378 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 550]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 603]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 677]: Loop Invariant
Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)
- InvariantResult [Line: 875]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
- InvariantResult [Line: 126]: Loop Invariant
Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))
- InvariantResult [Line: 502]: Loop Invariant
Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive)
- InvariantResult [Line: 882]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
- InvariantResult [Line: 616]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 512]: Loop Invariant
Derived loop invariant: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1))
- InvariantResult [Line: 595]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
- InvariantResult [Line: 727]: Loop Invariant
Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive)
- InvariantResult [Line: 58]: Loop Invariant
Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive)
- InvariantResult [Line: 746]: Loop Invariant
Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))
- InvariantResult [Line: 540]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 801]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 792]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 94]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 868]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1
- InvariantResult [Line: 802]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:08:51,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d45005-db5a-4422-993a-0cf0c2649d2d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE