./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/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_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/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_7951050e-5b29-4102-9294-17fb627d029d/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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6
--- 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 20:05:44,319 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:05:44,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:05:44,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:05:44,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:05:44,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:05:44,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:05:44,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:05:44,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:05:44,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:05:44,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:05:44,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:05:44,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:05:44,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:05:44,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:05:44,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:05:44,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:05:44,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:05:44,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:05:44,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:05:44,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:05:44,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:05:44,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:05:44,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:05:44,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:05:44,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:05:44,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:05:44,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:05:44,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:05:44,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:05:44,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:05:44,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:05:44,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:05:44,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:05:44,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:05:44,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:05:44,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:05:44,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:05:44,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:05:44,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:05:44,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:05:44,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:05:44,518 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:05:44,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:05:44,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:05:44,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:05:44,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:05:44,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:05:44,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:05:44,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:05:44,522 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:05:44,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:05:44,523 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:05:44,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:05:44,524 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:05:44,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:05:44,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:05:44,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:05:44,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:05:44,525 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:05:44,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:05:44,526 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:05:44,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:05:44,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:05:44,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:05:44,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:05:44,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:05:44,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:05:44,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:05:44,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:05:44,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:05:44,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:05:44,529 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:05:44,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:05:44,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:05:44,529 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_7951050e-5b29-4102-9294-17fb627d029d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6
[2022-11-02 20:05:44,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:05:44,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:05:44,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:05:44,913 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:05:44,914 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:05:44,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c
[2022-11-02 20:05:45,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/data/41a8d5c3c/5f820dfc0f174b5299a3d799a547ab75/FLAG3892b3459
[2022-11-02 20:05:45,718 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:05:45,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c
[2022-11-02 20:05:45,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/data/41a8d5c3c/5f820dfc0f174b5299a3d799a547ab75/FLAG3892b3459
[2022-11-02 20:05:45,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/data/41a8d5c3c/5f820dfc0f174b5299a3d799a547ab75
[2022-11-02 20:05:45,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:05:45,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:05:45,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:05:45,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:05:45,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:05:45,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:45" (1/1) ...
[2022-11-02 20:05:45,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6fcc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:45, skipping insertion in model container
[2022-11-02 20:05:45,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:45" (1/1) ...
[2022-11-02 20:05:46,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:05:46,042 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:05:46,248 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_7951050e-5b29-4102-9294-17fb627d029d/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618]
[2022-11-02 20:05:46,428 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:05:46,438 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:05:46,453 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_7951050e-5b29-4102-9294-17fb627d029d/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618]
[2022-11-02 20:05:46,512 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:05:46,531 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:05:46,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46 WrapperNode
[2022-11-02 20:05:46,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:05:46,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:05:46,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:05:46,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:05:46,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,586 INFO L138 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 190
[2022-11-02 20:05:46,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:05:46,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:05:46,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:05:46,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:05:46,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:05:46,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:05:46,622 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:05:46,622 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:05:46,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (1/1) ...
[2022-11-02 20:05:46,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:05:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:05:46,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:05:46,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:05:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:05:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2022-11-02 20:05:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2022-11-02 20:05:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:05:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:05:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:05:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:05:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:05:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:05:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:05:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:05:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:05:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:05:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:05:46,844 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:05:46,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:05:47,200 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:05:47,208 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:05:47,209 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:05:47,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:47 BoogieIcfgContainer
[2022-11-02 20:05:47,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:05:47,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:05:47,214 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:05:47,219 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:05:47,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:05:45" (1/3) ...
[2022-11-02 20:05:47,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282aa7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:05:47, skipping insertion in model container
[2022-11-02 20:05:47,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:46" (2/3) ...
[2022-11-02 20:05:47,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282aa7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:05:47, skipping insertion in model container
[2022-11-02 20:05:47,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:47" (3/3) ...
[2022-11-02 20:05:47,222 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c
[2022-11-02 20:05:47,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:05:47,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:05:47,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:05:47,407 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;@314ce8d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:05:47,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:05:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2022-11-02 20:05:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-02 20:05:47,439 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:05:47,440 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]
[2022-11-02 20:05:47,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:05:47,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash -291127646, now seen corresponding path program 1 times
[2022-11-02 20:05:47,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:47,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881798282]
[2022-11-02 20:05:47,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:47,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:05:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:47,853 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 20:05:47,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:47,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881798282]
[2022-11-02 20:05:47,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881798282] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:47,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:47,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:05:47,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959373115]
[2022-11-02 20:05:47,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:47,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:05:47,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:47,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:05:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:05:47,918 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:05:47,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:47,968 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions.
[2022-11-02 20:05:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:05:47,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2022-11-02 20:05:47,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:05:48,000 INFO L225 Difference]: With dead ends: 126
[2022-11-02 20:05:48,001 INFO L226 Difference]: Without dead ends: 58
[2022-11-02 20:05:48,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:05:48,011 INFO L413 NwaCegarLoop]: 81 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, 81 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 20:05:48,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:05:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2022-11-02 20:05:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2022-11-02 20:05:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2022-11-02 20:05:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions.
[2022-11-02 20:05:48,095 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23
[2022-11-02 20:05:48,095 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:05:48,096 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions.
[2022-11-02 20:05:48,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:05:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions.
[2022-11-02 20:05:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-11-02 20:05:48,102 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:05:48,103 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 20:05:48,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:05:48,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:05:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1914493388, now seen corresponding path program 1 times
[2022-11-02 20:05:48,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:48,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768909382]
[2022-11-02 20:05:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:48,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2022-11-02 20:05:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,322 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 20:05:48,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:48,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768909382]
[2022-11-02 20:05:48,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768909382] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:48,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:48,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:05:48,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701125889]
[2022-11-02 20:05:48,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:48,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:05:48,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:48,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:05:48,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:05:48,327 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:05:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:48,341 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions.
[2022-11-02 20:05:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:05:48,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2022-11-02 20:05:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:05:48,343 INFO L225 Difference]: With dead ends: 77
[2022-11-02 20:05:48,344 INFO L226 Difference]: Without dead ends: 49
[2022-11-02 20:05:48,344 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 20:05:48,346 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 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 20:05:48,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:05:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2022-11-02 20:05:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2022-11-02 20:05:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-11-02 20:05:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions.
[2022-11-02 20:05:48,356 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24
[2022-11-02 20:05:48,356 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:05:48,356 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions.
[2022-11-02 20:05:48,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:05:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions.
[2022-11-02 20:05:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-11-02 20:05:48,358 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:05:48,358 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 20:05:48,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:05:48,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:05:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:48,360 INFO L85 PathProgramCache]: Analyzing trace with hash -832804307, now seen corresponding path program 1 times
[2022-11-02 20:05:48,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:48,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542624493]
[2022-11-02 20:05:48,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:05:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,464 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 20:05:48,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:48,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542624493]
[2022-11-02 20:05:48,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542624493] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:48,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:48,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:05:48,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358391962]
[2022-11-02 20:05:48,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:48,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:05:48,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:05:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:05:48,469 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 20:05:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:48,507 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions.
[2022-11-02 20:05:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:05:48,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29
[2022-11-02 20:05:48,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:05:48,510 INFO L225 Difference]: With dead ends: 131
[2022-11-02 20:05:48,510 INFO L226 Difference]: Without dead ends: 89
[2022-11-02 20:05:48,511 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 20:05:48,513 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 52 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:05:48,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 111 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:05:48,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2022-11-02 20:05:48,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84.
[2022-11-02 20:05:48,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:05:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions.
[2022-11-02 20:05:48,529 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 29
[2022-11-02 20:05:48,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:05:48,530 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions.
[2022-11-02 20:05:48,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 20:05:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions.
[2022-11-02 20:05:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-11-02 20:05:48,532 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:05:48,532 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]
[2022-11-02 20:05:48,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:05:48,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:05:48,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:48,533 INFO L85 PathProgramCache]: Analyzing trace with hash 106556984, now seen corresponding path program 1 times
[2022-11-02 20:05:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:48,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593057488]
[2022-11-02 20:05:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:48,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2022-11-02 20:05:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:48,682 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 20:05:48,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:48,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593057488]
[2022-11-02 20:05:48,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593057488] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:48,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:48,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:05:48,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57318439]
[2022-11-02 20:05:48,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:48,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:05:48,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:48,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:05:48,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:05:48,687 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 20:05:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:48,739 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions.
[2022-11-02 20:05:48,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:05:48,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 30
[2022-11-02 20:05:48,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:05:48,741 INFO L225 Difference]: With dead ends: 160
[2022-11-02 20:05:48,741 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:05:48,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 20:05:48,744 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:05:48,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:05:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:05:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:05:48,746 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 20:05:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:05:48,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2022-11-02 20:05:48,747 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:05:48,747 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:05:48,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 20:05:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:05:48,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:05:48,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:05:48,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:05:48,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:05:48,956 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed.
[2022-11-02 20:05:48,957 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 665 676) the Hoare annotation is: true
[2022-11-02 20:05:48,957 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed.
[2022-11-02 20:05:48,957 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 677 685) the Hoare annotation is: true
[2022-11-02 20:05:48,957 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 677 685) no Hoare annotation was computed.
[2022-11-02 20:05:48,958 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 677 685) no Hoare annotation was computed.
[2022-11-02 20:05:48,958 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed.
[2022-11-02 20:05:48,958 INFO L899 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed.
[2022-11-02 20:05:48,958 INFO L902 garLoopResultBuilder]: At program point L798-1(lines 798 802) the Hoare annotation is: true
[2022-11-02 20:05:48,959 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true
[2022-11-02 20:05:48,959 INFO L899 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed.
[2022-11-02 20:05:48,959 INFO L902 garLoopResultBuilder]: At program point L794-2(lines 794 808) the Hoare annotation is: true
[2022-11-02 20:05:48,959 INFO L902 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: true
[2022-11-02 20:05:48,959 INFO L899 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed.
[2022-11-02 20:05:48,960 INFO L902 garLoopResultBuilder]: At program point L809(lines 784 813) the Hoare annotation is: true
[2022-11-02 20:05:48,960 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed.
[2022-11-02 20:05:48,960 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed.
[2022-11-02 20:05:48,960 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed.
[2022-11-02 20:05:48,961 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed.
[2022-11-02 20:05:48,961 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed.
[2022-11-02 20:05:48,961 INFO L895 garLoopResultBuilder]: At program point L645-2(lines 641 652) the Hoare annotation is: (not (= ~pumpRunning~0 0))
[2022-11-02 20:05:48,961 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed.
[2022-11-02 20:05:48,962 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 778) no Hoare annotation was computed.
[2022-11-02 20:05:48,962 INFO L902 garLoopResultBuilder]: At program point L765-1(lines 757 781) the Hoare annotation is: true
[2022-11-02 20:05:48,962 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed.
[2022-11-02 20:05:48,962 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true
[2022-11-02 20:05:48,963 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed.
[2022-11-02 20:05:48,963 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0))
[2022-11-02 20:05:48,963 INFO L895 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0))
[2022-11-02 20:05:48,963 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 145 168) the Hoare annotation is: true
[2022-11-02 20:05:48,964 INFO L902 garLoopResultBuilder]: At program point L173(lines 169 175) the Hoare annotation is: true
[2022-11-02 20:05:48,964 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed.
[2022-11-02 20:05:48,964 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed.
[2022-11-02 20:05:48,964 INFO L895 garLoopResultBuilder]: At program point L737(lines 733 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0))
[2022-11-02 20:05:48,965 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 872) no Hoare annotation was computed.
[2022-11-02 20:05:48,965 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,965 INFO L899 garLoopResultBuilder]: For program point L865-2(lines 865 872) no Hoare annotation was computed.
[2022-11-02 20:05:48,966 INFO L895 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,966 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed.
[2022-11-02 20:05:48,966 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed.
[2022-11-02 20:05:48,966 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed.
[2022-11-02 20:05:48,967 INFO L902 garLoopResultBuilder]: At program point L874(lines 855 877) the Hoare annotation is: true
[2022-11-02 20:05:48,967 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:05:48,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:05:48,967 INFO L895 garLoopResultBuilder]: At program point L189(lines 184 191) the Hoare annotation is: false
[2022-11-02 20:05:48,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:05:48,968 INFO L895 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,968 INFO L895 garLoopResultBuilder]: At program point L842(lines 838 844) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0))
[2022-11-02 20:05:48,968 INFO L895 garLoopResultBuilder]: At program point L260(lines 248 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:05:48,969 INFO L902 garLoopResultBuilder]: At program point L128(lines 65 132) the Hoare annotation is: true
[2022-11-02 20:05:48,969 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed.
[2022-11-02 20:05:48,969 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed.
[2022-11-02 20:05:48,970 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed.
[2022-11-02 20:05:48,970 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 258) no Hoare annotation was computed.
[2022-11-02 20:05:48,970 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,970 INFO L895 garLoopResultBuilder]: At program point L752(lines 747 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0))
[2022-11-02 20:05:48,971 INFO L895 garLoopResultBuilder]: At program point L744(lines 740 746) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0))
[2022-11-02 20:05:48,971 INFO L895 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false
[2022-11-02 20:05:48,971 INFO L902 garLoopResultBuilder]: At program point L852(lines 845 854) the Hoare annotation is: true
[2022-11-02 20:05:48,971 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed.
[2022-11-02 20:05:48,972 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2022-11-02 20:05:48,972 INFO L899 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed.
[2022-11-02 20:05:48,972 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed.
[2022-11-02 20:05:48,972 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed.
[2022-11-02 20:05:48,973 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed.
[2022-11-02 20:05:48,973 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 653 664) the Hoare annotation is: true
[2022-11-02 20:05:48,977 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 20:05:48,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:05:49,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:05:49 BoogieIcfgContainer
[2022-11-02 20:05:49,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:05:49,010 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:05:49,010 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:05:49,011 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:05:49,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:47" (3/4) ...
[2022-11-02 20:05:49,015 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:05:49,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2022-11-02 20:05:49,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2022-11-02 20:05:49,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2022-11-02 20:05:49,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2022-11-02 20:05:49,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2022-11-02 20:05:49,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges
[2022-11-02 20:05:49,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2022-11-02 20:05:49,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:05:49,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:05:49,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:05:49,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:05:49,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:05:49,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0
[2022-11-02 20:05:49,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:05:49,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:05:49,136 INFO L158 Benchmark]: Toolchain (without parser) took 3150.65ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 45.7MB in the end (delta: 10.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,136 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:05:49,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.20ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 58.3MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.07ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,140 INFO L158 Benchmark]: Boogie Preprocessor took 33.16ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:05:49,142 INFO L158 Benchmark]: RCFGBuilder took 590.12ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 38.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,143 INFO L158 Benchmark]: TraceAbstraction took 1796.21ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 37.8MB in the beginning and 49.9MB in the end (delta: -12.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,143 INFO L158 Benchmark]: Witness Printer took 124.81ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:05:49,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 542.20ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 58.3MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 54.07ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.16ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 590.12ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 38.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1796.21ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 37.8MB in the beginning and 49.9MB in the end (delta: -12.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB.
* Witness Printer took 124.81ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.7MB in the end (delta: 4.2MB). 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: 54]: 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 6 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 253 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 114 PreInvPairs, 138 NumberOfFragments, 106 HoareAnnotationTreeSize, 114 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 838]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && 1 == systemActive
- InvariantResult [Line: 74]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 747]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && 1 == systemActive
- InvariantResult [Line: 184]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 740]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && 1 == systemActive
- InvariantResult [Line: 65]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 169]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 263]: Loop Invariant
Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0
- InvariantResult [Line: 784]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 203]: Loop Invariant
Derived loop invariant: !(pumpRunning == 0) || \result == 0
- InvariantResult [Line: 733]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && 1 == systemActive
- InvariantResult [Line: 855]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 50]: Loop Invariant
Derived loop invariant: !(pumpRunning == 0)
- InvariantResult [Line: 845]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 641]: Loop Invariant
Derived loop invariant: !(pumpRunning == 0)
- InvariantResult [Line: 794]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 248]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0
- InvariantResult [Line: 75]: Loop Invariant
Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0
- InvariantResult [Line: 757]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:05:49,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7951050e-5b29-4102-9294-17fb627d029d/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