./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product52.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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/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 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 00:33:36,166 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:33:36,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:33:36,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:33:36,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:33:36,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:33:36,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:33:36,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:33:36,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:33:36,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:33:36,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:33:36,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:33:36,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:33:36,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:33:36,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:33:36,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:33:36,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:33:36,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:33:36,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:33:36,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:33:36,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:33:36,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:33:36,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:33:36,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:33:36,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:33:36,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:33:36,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:33:36,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:33:36,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:33:36,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:33:36,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:33:36,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:33:36,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:33:36,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:33:36,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:33:36,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:33:36,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:33:36,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:33:36,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:33:36,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:33:36,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:33:36,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:33:36,299 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:33:36,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:33:36,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:33:36,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:33:36,310 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:33:36,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:33:36,310 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:33:36,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:33:36,311 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:33:36,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:33:36,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:33:36,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:33:36,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:33:36,313 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:33:36,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:33:36,314 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:33:36,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:33:36,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:33:36,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:33:36,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:33:36,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:33:36,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:33:36,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:33:36,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:33:36,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:33:36,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:33:36,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:33:36,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:33:36,317 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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb
[2021-10-11 00:33:36,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:33:36,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:33:36,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:33:36,670 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:33:36,670 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:33:36,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c
[2021-10-11 00:33:36,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/data/8810c3350/3cf525a4dced4fc09681ddbcc374a7a5/FLAG4f55586fa
[2021-10-11 00:33:37,344 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:33:37,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c
[2021-10-11 00:33:37,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/data/8810c3350/3cf525a4dced4fc09681ddbcc374a7a5/FLAG4f55586fa
[2021-10-11 00:33:37,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/data/8810c3350/3cf525a4dced4fc09681ddbcc374a7a5
[2021-10-11 00:33:37,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:33:37,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:33:37,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:33:37,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:33:37,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:33:37,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:37" (1/1) ...
[2021-10-11 00:33:37,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2362d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:37, skipping insertion in model container
[2021-10-11 00:33:37,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:37" (1/1) ...
[2021-10-11 00:33:37,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:33:37,699 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:33:38,076 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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945]
[2021-10-11 00:33:38,092 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:33:38,115 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:33:38,214 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_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945]
[2021-10-11 00:33:38,219 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:33:38,252 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:33:38,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38 WrapperNode
[2021-10-11 00:33:38,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:33:38,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:33:38,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:33:38,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:33:38,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:33:38,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:33:38,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:33:38,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:33:38,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
[2021-10-11 00:33:38,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:33:38,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:33:38,411 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:33:38,411 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:33:38,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/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 00:33:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:33:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:33:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:33:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:33:39,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:33:39,549 INFO L299 CfgBuilder]: Removed 168 assume(true) statements.
[2021-10-11 00:33:39,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:39 BoogieIcfgContainer
[2021-10-11 00:33:39,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:33:39,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:33:39,553 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:33:39,556 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:33:39,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:37" (1/3) ...
[2021-10-11 00:33:39,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471fb556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:39, skipping insertion in model container
[2021-10-11 00:33:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:38" (2/3) ...
[2021-10-11 00:33:39,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471fb556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:39, skipping insertion in model container
[2021-10-11 00:33:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:39" (3/3) ...
[2021-10-11 00:33:39,560 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c
[2021-10-11 00:33:39,574 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:33:39,578 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2021-10-11 00:33:39,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-11 00:33:39,616 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:33:39,616 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:33:39,616 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:33:39,617 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:33:39,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:33:39,617 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:33:39,617 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:33:39,617 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:33:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states.
[2021-10-11 00:33:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-11 00:33:39,641 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:39,642 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 00:33:39,643 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:39,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:39,649 INFO L82 PathProgramCache]: Analyzing trace with hash -805334601, now seen corresponding path program 1 times
[2021-10-11 00:33:39,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:39,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178701514]
[2021-10-11 00:33:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:40,027 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 00:33:40,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178701514]
[2021-10-11 00:33:40,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:40,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:33:40,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336999466]
[2021-10-11 00:33:40,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:33:40,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:40,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:33:40,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:33:40,056 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states.
[2021-10-11 00:33:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:40,120 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions.
[2021-10-11 00:33:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:33:40,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18
[2021-10-11 00:33:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:40,142 INFO L225 Difference]: With dead ends: 244
[2021-10-11 00:33:40,143 INFO L226 Difference]: Without dead ends: 121
[2021-10-11 00:33:40,147 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 00:33:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2021-10-11 00:33:40,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2021-10-11 00:33:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2021-10-11 00:33:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions.
[2021-10-11 00:33:40,241 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 18
[2021-10-11 00:33:40,242 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:40,242 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions.
[2021-10-11 00:33:40,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:33:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions.
[2021-10-11 00:33:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:33:40,248 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:40,248 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 00:33:40,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:33:40,249 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:40,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:40,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1716365354, now seen corresponding path program 1 times
[2021-10-11 00:33:40,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:40,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219325310]
[2021-10-11 00:33:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:40,405 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 00:33:40,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219325310]
[2021-10-11 00:33:40,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:40,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:33:40,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993228360]
[2021-10-11 00:33:40,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:40,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:40,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:40,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:40,415 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand 3 states.
[2021-10-11 00:33:40,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:40,431 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions.
[2021-10-11 00:33:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:40,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2021-10-11 00:33:40,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:40,436 INFO L225 Difference]: With dead ends: 121
[2021-10-11 00:33:40,436 INFO L226 Difference]: Without dead ends: 51
[2021-10-11 00:33:40,437 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 00:33:40,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2021-10-11 00:33:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2021-10-11 00:33:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states.
[2021-10-11 00:33:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions.
[2021-10-11 00:33:40,444 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19
[2021-10-11 00:33:40,444 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:40,444 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions.
[2021-10-11 00:33:40,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions.
[2021-10-11 00:33:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-11 00:33:40,446 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:40,446 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 00:33:40,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:33:40,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:40,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:40,447 INFO L82 PathProgramCache]: Analyzing trace with hash -882616339, now seen corresponding path program 1 times
[2021-10-11 00:33:40,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:40,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351592316]
[2021-10-11 00:33:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:40,546 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 00:33:40,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351592316]
[2021-10-11 00:33:40,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:40,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:33:40,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436187055]
[2021-10-11 00:33:40,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:33:40,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:40,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:33:40,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:33:40,549 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states.
[2021-10-11 00:33:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:40,635 INFO L93 Difference]: Finished difference Result 121 states and 179 transitions.
[2021-10-11 00:33:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-11 00:33:40,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24
[2021-10-11 00:33:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:40,640 INFO L225 Difference]: With dead ends: 121
[2021-10-11 00:33:40,640 INFO L226 Difference]: Without dead ends: 76
[2021-10-11 00:33:40,641 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 00:33:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2021-10-11 00:33:40,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72.
[2021-10-11 00:33:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2021-10-11 00:33:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions.
[2021-10-11 00:33:40,653 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 24
[2021-10-11 00:33:40,654 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:40,654 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions.
[2021-10-11 00:33:40,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:33:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions.
[2021-10-11 00:33:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-10-11 00:33:40,656 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:40,656 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 00:33:40,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:33:40,657 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:40,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:40,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1572520497, now seen corresponding path program 1 times
[2021-10-11 00:33:40,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:40,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982316586]
[2021-10-11 00:33:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:40,745 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 00:33:40,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982316586]
[2021-10-11 00:33:40,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:40,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:33:40,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841774884]
[2021-10-11 00:33:40,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:33:40,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:33:40,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:40,753 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand 3 states.
[2021-10-11 00:33:40,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:40,842 INFO L93 Difference]: Finished difference Result 161 states and 239 transitions.
[2021-10-11 00:33:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:33:40,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26
[2021-10-11 00:33:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:40,844 INFO L225 Difference]: With dead ends: 161
[2021-10-11 00:33:40,844 INFO L226 Difference]: Without dead ends: 95
[2021-10-11 00:33:40,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:33:40,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2021-10-11 00:33:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93.
[2021-10-11 00:33:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states.
[2021-10-11 00:33:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions.
[2021-10-11 00:33:40,868 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 26
[2021-10-11 00:33:40,868 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:40,869 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions.
[2021-10-11 00:33:40,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:33:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions.
[2021-10-11 00:33:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-10-11 00:33:40,873 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:40,873 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, 1]
[2021-10-11 00:33:40,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:33:40,873 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:40,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:40,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1445956926, now seen corresponding path program 1 times
[2021-10-11 00:33:40,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:40,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407233424]
[2021-10-11 00:33:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:40,953 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 00:33:40,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407233424]
[2021-10-11 00:33:40,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:40,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:33:40,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030868873]
[2021-10-11 00:33:40,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:33:40,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:40,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:33:40,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:33:40,956 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand 5 states.
[2021-10-11 00:33:41,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:41,160 INFO L93 Difference]: Finished difference Result 482 states and 707 transitions.
[2021-10-11 00:33:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-11 00:33:41,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27
[2021-10-11 00:33:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:41,169 INFO L225 Difference]: With dead ends: 482
[2021-10-11 00:33:41,169 INFO L226 Difference]: Without dead ends: 395
[2021-10-11 00:33:41,174 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 00:33:41,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states.
[2021-10-11 00:33:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 158.
[2021-10-11 00:33:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2021-10-11 00:33:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions.
[2021-10-11 00:33:41,230 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 27
[2021-10-11 00:33:41,231 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:41,231 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions.
[2021-10-11 00:33:41,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:33:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions.
[2021-10-11 00:33:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-10-11 00:33:41,235 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:33:41,235 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, 1, 1]
[2021-10-11 00:33:41,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:33:41,236 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:41,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:41,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1148746628, now seen corresponding path program 1 times
[2021-10-11 00:33:41,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:41,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604339455]
[2021-10-11 00:33:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:33:41,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:33:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:33:41,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:33:41,507 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:33:41,508 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:33:41,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:33:41,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:41 BoogieIcfgContainer
[2021-10-11 00:33:41,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:33:41,646 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:33:41,647 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:33:41,647 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:33:41,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:39" (3/4) ...
[2021-10-11 00:33:41,650 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:33:41,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c117cf47-ca83-4c40-8d89-fa3dc4bc3236/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:33:41,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:33:41,771 INFO L168 Benchmark]: Toolchain (without parser) took 4157.69 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 89.0 MB in the beginning and 78.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,771 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.12 ms. Allocated memory is still 127.9 MB. Free memory was 88.7 MB in the beginning and 89.5 MB in the end (delta: -807.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.63 ms. Allocated memory is still 127.9 MB. Free memory was 89.5 MB in the beginning and 85.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,773 INFO L168 Benchmark]: Boogie Preprocessor took 77.49 ms. Allocated memory is still 127.9 MB. Free memory was 85.8 MB in the beginning and 83.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,773 INFO L168 Benchmark]: RCFGBuilder took 1140.29 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 68.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,774 INFO L168 Benchmark]: TraceAbstraction took 2093.14 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 68.1 MB in the beginning and 89.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,774 INFO L168 Benchmark]: Witness Printer took 122.36 ms. Allocated memory is still 159.4 MB. Free memory was 89.5 MB in the beginning and 78.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:41,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 636.12 ms. Allocated memory is still 127.9 MB. Free memory was 88.7 MB in the beginning and 89.5 MB in the end (delta: -807.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 78.63 ms. Allocated memory is still 127.9 MB. Free memory was 89.5 MB in the beginning and 85.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 77.49 ms. Allocated memory is still 127.9 MB. Free memory was 85.8 MB in the beginning and 83.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1140.29 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 68.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 2093.14 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 68.1 MB in the beginning and 89.5 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 122.36 ms. Allocated memory is still 159.4 MB. Free memory was 89.5 MB in the beginning and 78.0 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: 855]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L86] int waterLevel = 1;
[L87] int methaneLevelCritical = 0;
[L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L561] int pumpRunning = 0;
[L562] int systemActive = 1;
[L898] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L971] int retValue_acc ;
[L972] int tmp ;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L889] int retValue_acc ;
[L892] retValue_acc = 1
[L893] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L978] tmp = valid_product()
[L980] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L783] int splverifierCounter ;
[L784] int tmp ;
[L785] int tmp___0 ;
[L786] int tmp___1 ;
[L787] int tmp___2 ;
[L790] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L792] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L794] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L800] tmp = __VERIFIER_nondet_int()
[L802] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L104] COND TRUE waterLevel < 2
[L105] waterLevel = waterLevel + 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L810] tmp___0 = __VERIFIER_nondet_int()
[L812] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L820] tmp___2 = __VERIFIER_nondet_int()
[L822] COND FALSE !(\read(tmp___2))
[L828] tmp___1 = __VERIFIER_nondet_int()
[L830] COND TRUE \read(tmp___1)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L761] COND FALSE !(\read(pumpRunning))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L768] systemActive = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L568] COND FALSE !(\read(pumpRunning))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L575] COND FALSE !(\read(systemActive))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
[L125] int retValue_acc ;
[L128] retValue_acc = methaneLevelCritical
[L129] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L53] tmp = isMethaneLevelCritical()
[L55] COND FALSE !(\read(tmp))
[L157] int retValue_acc ;
[L160] retValue_acc = waterLevel
[L161] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L59] tmp___0 = getWaterLevel()
[L61] COND TRUE tmp___0 == 2
[L675] int retValue_acc ;
[L678] retValue_acc = pumpRunning
[L679] return (retValue_acc);
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L63] tmp___1 = isPumpRunning()
[L65] COND FALSE !(\read(tmp___1))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L855] reach_error()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 673 SDslu, 373 SDs, 0 SdLazy, 67 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=5, 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, 5 MinimizatonAttempts, 243 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4791 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...