./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC --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 5aa79e967971f371d7b4e44dc64a6773e8ce908a
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:34:02,987 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:34:02,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:34:03,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:34:03,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:34:03,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:34:03,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:34:03,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:34:03,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:34:03,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:34:03,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:34:03,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:34:03,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:34:03,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:34:03,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:34:03,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:34:03,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:34:03,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:34:03,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:34:03,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:34:03,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:34:03,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:34:03,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:34:03,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:34:03,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:34:03,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:34:03,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:34:03,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:34:03,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:34:03,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:34:03,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:34:03,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:34:03,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:34:03,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:34:03,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:34:03,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:34:03,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:34:03,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:34:03,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:34:03,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:34:03,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:34:03,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:34:03,165 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:34:03,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:34:03,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:34:03,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:34:03,168 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:34:03,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:34:03,168 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:34:03,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:34:03,169 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:34:03,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:34:03,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:34:03,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:34:03,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:34:03,171 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:34:03,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:34:03,171 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:34:03,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:34:03,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:34:03,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:34:03,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:34:03,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:34:03,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:34:03,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:34:03,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:34:03,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:34:03,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:34:03,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:34:03,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:34:03,174 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_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5aa79e967971f371d7b4e44dc64a6773e8ce908a
[2021-10-11 00:34:03,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:34:03,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:34:03,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:34:03,461 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:34:03,461 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:34:03,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c
[2021-10-11 00:34:03,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/data/958dd069d/acbbaba0f6ed43e1a4fba91e2f0b06db/FLAG98dbb076b
[2021-10-11 00:34:04,158 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:34:04,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c
[2021-10-11 00:34:04,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/data/958dd069d/acbbaba0f6ed43e1a4fba91e2f0b06db/FLAG98dbb076b
[2021-10-11 00:34:04,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/data/958dd069d/acbbaba0f6ed43e1a4fba91e2f0b06db
[2021-10-11 00:34:04,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:34:04,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:34:04,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:34:04,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:34:04,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:34:04,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:04" (1/1) ...
[2021-10-11 00:34:04,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e428c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:04, skipping insertion in model container
[2021-10-11 00:34:04,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:04" (1/1) ...
[2021-10-11 00:34:04,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:34:04,527 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:34:04,835 WARN L226 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_122c3f69-28c0-440f-9164-a4ba373a1783/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[12695,12708]
[2021-10-11 00:34:04,876 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:34:04,891 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:34:04,996 WARN L226 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_122c3f69-28c0-440f-9164-a4ba373a1783/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[12695,12708]
[2021-10-11 00:34:05,034 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:34:05,072 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:34:05,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05 WrapperNode
[2021-10-11 00:34:05,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:34:05,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:34:05,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:34:05,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:34:05,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:34:05,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:34:05,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:34:05,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:34:05,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
[2021-10-11 00:34:05,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:34:05,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:34:05,215 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:34:05,215 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:34:05,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:34:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:34:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:34:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:34:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:34:06,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:34:06,388 INFO L299 CfgBuilder]: Removed 108 assume(true) statements.
[2021-10-11 00:34:06,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:06 BoogieIcfgContainer
[2021-10-11 00:34:06,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:34:06,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:34:06,391 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:34:06,395 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:34:06,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:04" (1/3) ...
[2021-10-11 00:34:06,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3cd45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:06, skipping insertion in model container
[2021-10-11 00:34:06,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (2/3) ...
[2021-10-11 00:34:06,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3cd45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:06, skipping insertion in model container
[2021-10-11 00:34:06,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:06" (3/3) ...
[2021-10-11 00:34:06,398 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c
[2021-10-11 00:34:06,412 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:34:06,416 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2021-10-11 00:34:06,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-11 00:34:06,451 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:34:06,452 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:34:06,452 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:34:06,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:34:06,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:34:06,452 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:34:06,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:34:06,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:34:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states.
[2021-10-11 00:34:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-11 00:34:06,472 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:06,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:06,473 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:34:06,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:06,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times
[2021-10-11 00:34:06,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:06,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555451240]
[2021-10-11 00:34:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:06,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555451240]
[2021-10-11 00:34:06,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:06,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:34:06,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15011595]
[2021-10-11 00:34:06,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:34:06,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:06,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:34:06,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:34:06,751 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states.
[2021-10-11 00:34:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:06,779 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions.
[2021-10-11 00:34:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:34:06,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18
[2021-10-11 00:34:06,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:06,790 INFO L225 Difference]: With dead ends: 148
[2021-10-11 00:34:06,791 INFO L226 Difference]: Without dead ends: 73
[2021-10-11 00:34:06,794 INFO L677 BasicCegarLoop]: 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
[2021-10-11 00:34:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2021-10-11 00:34:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2021-10-11 00:34:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states.
[2021-10-11 00:34:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions.
[2021-10-11 00:34:06,853 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18
[2021-10-11 00:34:06,853 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:06,853 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions.
[2021-10-11 00:34:06,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:34:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions.
[2021-10-11 00:34:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:34:06,855 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:06,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:06,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:34:06,856 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:34:06,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:06,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times
[2021-10-11 00:34:06,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:06,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792885850]
[2021-10-11 00:34:06,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:06,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792885850]
[2021-10-11 00:34:06,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:06,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:34:06,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789703413]
[2021-10-11 00:34:06,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:34:06,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:06,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:34:06,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:34:06,968 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states.
[2021-10-11 00:34:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:06,979 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions.
[2021-10-11 00:34:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:34:06,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2021-10-11 00:34:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:06,984 INFO L225 Difference]: With dead ends: 73
[2021-10-11 00:34:06,984 INFO L226 Difference]: Without dead ends: 35
[2021-10-11 00:34:06,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:34:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2021-10-11 00:34:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2021-10-11 00:34:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2021-10-11 00:34:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions.
[2021-10-11 00:34:06,991 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19
[2021-10-11 00:34:06,991 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:06,991 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions.
[2021-10-11 00:34:06,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:34:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions.
[2021-10-11 00:34:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-11 00:34:06,992 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:06,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:06,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:34:06,993 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:34:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:06,994 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times
[2021-10-11 00:34:06,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:06,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476553438]
[2021-10-11 00:34:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:07,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476553438]
[2021-10-11 00:34:07,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:07,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:34:07,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212776884]
[2021-10-11 00:34:07,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:34:07,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:07,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:34:07,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:34:07,146 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states.
[2021-10-11 00:34:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:07,219 INFO L93 Difference]: Finished difference Result 89 states and 129 transitions.
[2021-10-11 00:34:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-11 00:34:07,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24
[2021-10-11 00:34:07,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:07,221 INFO L225 Difference]: With dead ends: 89
[2021-10-11 00:34:07,221 INFO L226 Difference]: Without dead ends: 60
[2021-10-11 00:34:07,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-11 00:34:07,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2021-10-11 00:34:07,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56.
[2021-10-11 00:34:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2021-10-11 00:34:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions.
[2021-10-11 00:34:07,232 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24
[2021-10-11 00:34:07,233 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:07,233 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions.
[2021-10-11 00:34:07,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:34:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions.
[2021-10-11 00:34:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-10-11 00:34:07,234 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:07,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:07,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:34:07,235 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:34:07,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:07,236 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times
[2021-10-11 00:34:07,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:07,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378637378]
[2021-10-11 00:34:07,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:07,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378637378]
[2021-10-11 00:34:07,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:07,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:34:07,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937723269]
[2021-10-11 00:34:07,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:34:07,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:07,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:34:07,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:34:07,337 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states.
[2021-10-11 00:34:07,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:07,485 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions.
[2021-10-11 00:34:07,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-11 00:34:07,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25
[2021-10-11 00:34:07,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:07,494 INFO L225 Difference]: With dead ends: 292
[2021-10-11 00:34:07,494 INFO L226 Difference]: Without dead ends: 242
[2021-10-11 00:34:07,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-11 00:34:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2021-10-11 00:34:07,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100.
[2021-10-11 00:34:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states.
[2021-10-11 00:34:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions.
[2021-10-11 00:34:07,528 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25
[2021-10-11 00:34:07,529 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:07,529 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions.
[2021-10-11 00:34:07,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:34:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions.
[2021-10-11 00:34:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-10-11 00:34:07,535 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:07,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:07,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:34:07,536 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:34:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:07,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times
[2021-10-11 00:34:07,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:07,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495847631]
[2021-10-11 00:34:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:34:07,684 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:34:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:34:07,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:34:07,832 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:34:07,833 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:34:07,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:34:07,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:07 BoogieIcfgContainer
[2021-10-11 00:34:07,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:34:07,953 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:34:07,954 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:34:07,954 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:34:07,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:06" (3/4) ...
[2021-10-11 00:34:07,956 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:34:08,034 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_122c3f69-28c0-440f-9164-a4ba373a1783/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:34:08,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:34:08,036 INFO L168 Benchmark]: Toolchain (without parser) took 3589.85 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 87.2 MB in the beginning and 99.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,037 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.05 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 85.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.01 ms. Allocated memory is still 121.6 MB. Free memory was 85.0 MB in the beginning and 81.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,038 INFO L168 Benchmark]: Boogie Preprocessor took 71.19 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 79.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,039 INFO L168 Benchmark]: RCFGBuilder took 1174.40 ms. Allocated memory is still 121.6 MB. Free memory was 79.9 MB in the beginning and 69.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,039 INFO L168 Benchmark]: TraceAbstraction took 1561.83 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 69.1 MB in the beginning and 111.4 MB in the end (delta: -42.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,040 INFO L168 Benchmark]: Witness Printer took 81.10 ms. Allocated memory is still 161.5 MB. Free memory was 111.4 MB in the beginning and 99.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:08,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 626.05 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 85.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 68.01 ms. Allocated memory is still 121.6 MB. Free memory was 85.0 MB in the beginning and 81.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 71.19 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 79.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1174.40 ms. Allocated memory is still 121.6 MB. Free memory was 79.9 MB in the beginning and 69.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1561.83 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 69.1 MB in the beginning and 111.4 MB in the end (delta: -42.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Witness Printer took 81.10 ms. Allocated memory is still 161.5 MB. Free memory was 111.4 MB in the beginning and 99.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 534]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L450] int waterLevel = 1;
[L451] int methaneLevelCritical = 0;
[L615] int pumpRunning = 0;
[L616] int systemActive = 1;
[L809] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L882] int retValue_acc ;
[L883] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L800] int retValue_acc ;
[L803] retValue_acc = 1
[L804] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L889] tmp = valid_product()
[L891] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L544] int splverifierCounter ;
[L545] int tmp ;
[L546] int tmp___0 ;
[L547] int tmp___1 ;
[L548] int tmp___2 ;
[L551] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L553] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L555] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L561] tmp = __VERIFIER_nondet_int()
[L563] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L468] COND TRUE waterLevel < 2
[L469] waterLevel = waterLevel + 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L571] tmp___0 = __VERIFIER_nondet_int()
[L573] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L581] tmp___2 = __VERIFIER_nondet_int()
[L583] COND TRUE \read(tmp___2)
[L766] systemActive = 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L622] COND FALSE !(\read(pumpRunning))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L629] COND TRUE \read(systemActive)
[L651] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L654] COND FALSE !(\read(pumpRunning))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
[L489] int retValue_acc ;
[L492] retValue_acc = methaneLevelCritical
[L493] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L53] tmp = isMethaneLevelCritical()
[L55] COND FALSE !(\read(tmp))
[L521] int retValue_acc ;
[L524] retValue_acc = waterLevel
[L525] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L59] tmp___0 = getWaterLevel()
[L61] COND TRUE tmp___0 == 2
[L703] int retValue_acc ;
[L706] retValue_acc = pumpRunning
[L707] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L63] tmp___1 = isPumpRunning()
[L65] COND FALSE !(\read(tmp___1))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L534] reach_error()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 447 SDslu, 230 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...