./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36260bdfb38a7ddcc128caab61da79dda5fd60 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36260bdfb38a7ddcc128caab61da79dda5fd60 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:46:51,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:46:51,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:46:51,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:46:51,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:46:51,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:46:51,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:46:51,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:46:51,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:46:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:46:51,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:46:51,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:46:51,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:46:51,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:46:51,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:46:51,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:46:51,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:46:51,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:46:51,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:46:51,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:46:51,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:46:51,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:46:51,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:46:51,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:46:51,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:46:51,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:46:51,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:46:51,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:46:51,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:46:51,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:46:51,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:46:51,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:46:51,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:46:51,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:46:51,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:46:51,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:46:51,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:46:51,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:46:51,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:46:51,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:46:51,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:46:51,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:46:51,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:46:51,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:46:51,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:46:51,295 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:46:51,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:46:51,296 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:46:51,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:46:51,296 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:46:51,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:46:51,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:46:51,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:46:51,297 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:46:51,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:46:51,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:46:51,297 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:46:51,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:46:51,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:46:51,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:46:51,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:46:51,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:46:51,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:46:51,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:46:51,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:46:51,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:46:51,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:46:51,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:46:51,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:46:51,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:46:51,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:46:51,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:46:51,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:46:51,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:46:51,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:46:51,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:46:51,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:46:51,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2019-12-07 10:46:51,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:46:51,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:46:51,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:46:51,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:46:51,417 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:46:51,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2019-12-07 10:46:51,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/f710de663/40295ad33a9146c48db51eaf0a3b0ea5/FLAG1775f111f [2019-12-07 10:46:51,896 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:46:51,896 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2019-12-07 10:46:51,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/f710de663/40295ad33a9146c48db51eaf0a3b0ea5/FLAG1775f111f [2019-12-07 10:46:51,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/f710de663/40295ad33a9146c48db51eaf0a3b0ea5 [2019-12-07 10:46:51,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:46:51,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:46:51,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:51,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:46:51,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:46:51,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:51" (1/1) ... [2019-12-07 10:46:51,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b5914b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:51, skipping insertion in model container [2019-12-07 10:46:51,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:51" (1/1) ... [2019-12-07 10:46:51,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:46:51,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:52,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:52,174 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:46:52,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53d6d1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:52, skipping insertion in model container [2019-12-07 10:46:52,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:52,175 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:46:52,176 INFO L168 Benchmark]: Toolchain (without parser) took 260.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:52,177 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:46:52,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:52,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:46:53,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:46:53,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:46:53,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:46:53,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:46:53,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:46:53,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:46:53,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:46:53,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:46:53,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:46:53,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:46:53,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:46:53,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:46:53,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:46:53,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:46:53,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:46:53,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:46:53,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:46:53,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:46:53,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:46:53,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:46:53,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:46:53,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:46:53,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:46:53,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:46:53,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:46:53,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:46:53,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:46:53,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:46:53,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:46:53,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:46:53,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:46:53,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:46:53,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:46:53,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:46:53,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:46:53,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:46:53,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:46:53,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:46:53,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:46:53,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:46:53,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:46:53,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:46:53,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:46:53,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:46:53,360 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:46:53,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:46:53,361 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:46:53,361 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:46:53,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:46:53,361 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:46:53,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:46:53,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:46:53,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:46:53,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:46:53,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:46:53,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:46:53,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:46:53,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:46:53,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:46:53,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:46:53,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:46:53,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:46:53,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:46:53,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:46:53,365 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2019-12-07 10:46:53,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:46:53,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:46:53,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:46:53,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:46:53,559 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:46:53,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2019-12-07 10:46:53,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/cf752b2b5/a92355e8b5c141bba931d2a34bab1b70/FLAG5cd0dcecf [2019-12-07 10:46:54,021 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:46:54,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2019-12-07 10:46:54,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/cf752b2b5/a92355e8b5c141bba931d2a34bab1b70/FLAG5cd0dcecf [2019-12-07 10:46:54,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/data/cf752b2b5/a92355e8b5c141bba931d2a34bab1b70 [2019-12-07 10:46:54,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:46:54,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:46:54,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:54,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:46:54,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:46:54,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54, skipping insertion in model container [2019-12-07 10:46:54,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:46:54,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:54,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:54,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:46:54,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:54,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:54,717 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:46:54,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:54,777 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:46:54,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54 WrapperNode [2019-12-07 10:46:54,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:54,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:46:54,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:46:54,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:46:54,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:46:54,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:46:54,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:46:54,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:46:54,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... [2019-12-07 10:46:54,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:46:54,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:46:54,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:46:54,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:46:54,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/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 [2019-12-07 10:46:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:46:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:46:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:46:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:46:55,435 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:46:55,435 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 10:46:55,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:55 BoogieIcfgContainer [2019-12-07 10:46:55,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:46:55,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:46:55,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:46:55,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:46:55,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:46:54" (1/3) ... [2019-12-07 10:46:55,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b88684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:46:55, skipping insertion in model container [2019-12-07 10:46:55,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:54" (2/3) ... [2019-12-07 10:46:55,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b88684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:46:55, skipping insertion in model container [2019-12-07 10:46:55,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:55" (3/3) ... [2019-12-07 10:46:55,443 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2019-12-07 10:46:55,452 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:46:55,459 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:46:55,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:46:55,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:46:55,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:46:55,482 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:46:55,482 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:46:55,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:46:55,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:46:55,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:46:55,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:46:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-12-07 10:46:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:46:55,499 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:55,500 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:55,501 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:55,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:55,505 INFO L82 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2019-12-07 10:46:55,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:55,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82555504] [2019-12-07 10:46:55,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:55,659 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:46:55,662 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:55,674 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:55,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82555504] [2019-12-07 10:46:55,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:55,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:46:55,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609671441] [2019-12-07 10:46:55,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:46:55,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:55,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:46:55,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:46:55,694 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-12-07 10:46:55,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:55,720 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2019-12-07 10:46:55,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:46:55,721 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 10:46:55,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:55,730 INFO L225 Difference]: With dead ends: 240 [2019-12-07 10:46:55,730 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 10:46:55,734 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:46:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 10:46:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-12-07 10:46:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 10:46:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-12-07 10:46:55,770 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2019-12-07 10:46:55,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:55,770 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-12-07 10:46:55,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:46:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-12-07 10:46:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:46:55,771 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:55,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:55,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:46:55,972 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:55,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:55,972 INFO L82 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2019-12-07 10:46:55,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:55,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399891820] [2019-12-07 10:46:55,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:56,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:56,104 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:56,121 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:56,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399891820] [2019-12-07 10:46:56,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:56,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:46:56,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47698985] [2019-12-07 10:46:56,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:56,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:56,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:56,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:56,134 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 4 states. [2019-12-07 10:46:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:56,148 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2019-12-07 10:46:56,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:46:56,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 10:46:56,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:56,149 INFO L225 Difference]: With dead ends: 119 [2019-12-07 10:46:56,149 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 10:46:56,151 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:56,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 10:46:56,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 10:46:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 10:46:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 10:46:56,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-12-07 10:46:56,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:56,157 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 10:46:56,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 10:46:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:46:56,158 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:56,158 INFO L410 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] [2019-12-07 10:46:56,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:46:56,359 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:56,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2019-12-07 10:46:56,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:56,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828546751] [2019-12-07 10:46:56,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:56,562 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:56,564 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:56,571 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:56,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828546751] [2019-12-07 10:46:56,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:56,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:46:56,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116695189] [2019-12-07 10:46:56,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:56,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:56,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:56,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:56,580 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2019-12-07 10:46:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:56,626 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2019-12-07 10:46:56,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:46:56,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:46:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:56,627 INFO L225 Difference]: With dead ends: 92 [2019-12-07 10:46:56,627 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 10:46:56,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:56,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 10:46:56,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 10:46:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 10:46:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-12-07 10:46:56,635 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-12-07 10:46:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:56,635 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-12-07 10:46:56,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-12-07 10:46:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:46:56,636 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:56,636 INFO L410 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] [2019-12-07 10:46:56,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:46:56,837 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:56,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:56,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2019-12-07 10:46:56,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:56,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890096098] [2019-12-07 10:46:56,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:57,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:57,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,013 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890096098] [2019-12-07 10:46:57,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:57,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:46:57,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035761871] [2019-12-07 10:46:57,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:46:57,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:57,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:46:57,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:46:57,017 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-12-07 10:46:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:57,069 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2019-12-07 10:46:57,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:46:57,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 10:46:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:57,070 INFO L225 Difference]: With dead ends: 115 [2019-12-07 10:46:57,071 INFO L226 Difference]: Without dead ends: 72 [2019-12-07 10:46:57,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:46:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-07 10:46:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-12-07 10:46:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 10:46:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2019-12-07 10:46:57,081 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2019-12-07 10:46:57,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:57,081 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2019-12-07 10:46:57,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:46:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2019-12-07 10:46:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 10:46:57,083 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:57,083 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:57,283 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:46:57,284 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:57,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:57,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2019-12-07 10:46:57,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:57,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368294305] [2019-12-07 10:46:57,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:57,462 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:57,463 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,476 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368294305] [2019-12-07 10:46:57,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:57,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:46:57,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074185795] [2019-12-07 10:46:57,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:46:57,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:57,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:46:57,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:46:57,483 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2019-12-07 10:46:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:57,536 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2019-12-07 10:46:57,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:46:57,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 10:46:57,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:57,538 INFO L225 Difference]: With dead ends: 187 [2019-12-07 10:46:57,538 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 10:46:57,538 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:46:57,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 10:46:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2019-12-07 10:46:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 10:46:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2019-12-07 10:46:57,546 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2019-12-07 10:46:57,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:57,546 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2019-12-07 10:46:57,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:46:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2019-12-07 10:46:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 10:46:57,547 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:57,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:57,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:46:57,748 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2019-12-07 10:46:57,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:57,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122873026] [2019-12-07 10:46:57,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:57,949 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:57,950 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,968 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:57,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122873026] [2019-12-07 10:46:57,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:57,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 10:46:57,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106874855] [2019-12-07 10:46:57,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:46:57,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:57,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:46:57,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:46:57,991 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 8 states. [2019-12-07 10:46:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:58,309 INFO L93 Difference]: Finished difference Result 841 states and 1196 transitions. [2019-12-07 10:46:58,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 10:46:58,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-12-07 10:46:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:58,313 INFO L225 Difference]: With dead ends: 841 [2019-12-07 10:46:58,313 INFO L226 Difference]: Without dead ends: 771 [2019-12-07 10:46:58,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 10:46:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-12-07 10:46:58,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2019-12-07 10:46:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-12-07 10:46:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 255 transitions. [2019-12-07 10:46:58,333 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 255 transitions. Word has length 32 [2019-12-07 10:46:58,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:58,333 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 255 transitions. [2019-12-07 10:46:58,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:46:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 255 transitions. [2019-12-07 10:46:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:46:58,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:58,335 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:58,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:46:58,536 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:58,536 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2019-12-07 10:46:58,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:58,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753002463] [2019-12-07 10:46:58,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:58,697 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:46:58,698 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:58,706 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:58,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753002463] [2019-12-07 10:46:58,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:58,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:46:58,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322027686] [2019-12-07 10:46:58,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:58,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:58,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:58,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:58,710 INFO L87 Difference]: Start difference. First operand 186 states and 255 transitions. Second operand 4 states. [2019-12-07 10:46:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:58,759 INFO L93 Difference]: Finished difference Result 470 states and 656 transitions. [2019-12-07 10:46:58,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:46:58,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 10:46:58,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:58,761 INFO L225 Difference]: With dead ends: 470 [2019-12-07 10:46:58,761 INFO L226 Difference]: Without dead ends: 337 [2019-12-07 10:46:58,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:46:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-12-07 10:46:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 184. [2019-12-07 10:46:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 10:46:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2019-12-07 10:46:58,775 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 33 [2019-12-07 10:46:58,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:58,775 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2019-12-07 10:46:58,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2019-12-07 10:46:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:46:58,776 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:58,776 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:58,977 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:46:58,977 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2019-12-07 10:46:58,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:58,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968012500] [2019-12-07 10:46:58,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:59,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:59,103 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:59,115 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:59,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968012500] [2019-12-07 10:46:59,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:59,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:46:59,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945580503] [2019-12-07 10:46:59,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:46:59,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:59,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:46:59,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:46:59,132 INFO L87 Difference]: Start difference. First operand 184 states and 251 transitions. Second operand 8 states. [2019-12-07 10:46:59,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:59,375 INFO L93 Difference]: Finished difference Result 519 states and 720 transitions. [2019-12-07 10:46:59,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:46:59,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 10:46:59,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:59,377 INFO L225 Difference]: With dead ends: 519 [2019-12-07 10:46:59,377 INFO L226 Difference]: Without dead ends: 341 [2019-12-07 10:46:59,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:46:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-12-07 10:46:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 155. [2019-12-07 10:46:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-12-07 10:46:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2019-12-07 10:46:59,387 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 33 [2019-12-07 10:46:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:59,388 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2019-12-07 10:46:59,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:46:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2019-12-07 10:46:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:46:59,388 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:59,388 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:59,589 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:46:59,590 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:59,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:59,590 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2019-12-07 10:46:59,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:59,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026988733] [2019-12-07 10:46:59,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:59,704 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:59,705 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:59,715 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:59,733 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026988733] [2019-12-07 10:46:59,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:59,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:46:59,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132844875] [2019-12-07 10:46:59,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:46:59,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:59,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:46:59,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:46:59,734 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 8 states. [2019-12-07 10:46:59,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:59,792 INFO L93 Difference]: Finished difference Result 415 states and 551 transitions. [2019-12-07 10:46:59,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:46:59,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 10:46:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:59,794 INFO L225 Difference]: With dead ends: 415 [2019-12-07 10:46:59,794 INFO L226 Difference]: Without dead ends: 266 [2019-12-07 10:46:59,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:46:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-12-07 10:46:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 155. [2019-12-07 10:46:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-12-07 10:46:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2019-12-07 10:46:59,810 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 33 [2019-12-07 10:46:59,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:59,810 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2019-12-07 10:46:59,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:46:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2019-12-07 10:46:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 10:46:59,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:59,812 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:00,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:47:00,013 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:00,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1874280989, now seen corresponding path program 1 times [2019-12-07 10:47:00,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:00,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25740609] [2019-12-07 10:47:00,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:00,112 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:47:00,113 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 10:47:00,123 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 10:47:00,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25740609] [2019-12-07 10:47:00,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:47:00,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 10:47:00,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353480167] [2019-12-07 10:47:00,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:47:00,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:00,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:47:00,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:47:00,144 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 6 states. [2019-12-07 10:47:00,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:00,434 INFO L93 Difference]: Finished difference Result 519 states and 694 transitions. [2019-12-07 10:47:00,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 10:47:00,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-07 10:47:00,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:00,436 INFO L225 Difference]: With dead ends: 519 [2019-12-07 10:47:00,436 INFO L226 Difference]: Without dead ends: 417 [2019-12-07 10:47:00,436 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:47:00,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-12-07 10:47:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 351. [2019-12-07 10:47:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-12-07 10:47:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 459 transitions. [2019-12-07 10:47:00,464 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 459 transitions. Word has length 53 [2019-12-07 10:47:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:00,464 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 459 transitions. [2019-12-07 10:47:00,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:47:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 459 transitions. [2019-12-07 10:47:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 10:47:00,465 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:00,465 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:00,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 10:47:00,666 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:00,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:00,667 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2019-12-07 10:47:00,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:00,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902677776] [2019-12-07 10:47:00,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:00,816 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:47:00,818 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:47:00,834 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:47:00,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902677776] [2019-12-07 10:47:00,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:47:00,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:47:00,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824745970] [2019-12-07 10:47:00,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:47:00,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:00,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:47:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:47:00,841 INFO L87 Difference]: Start difference. First operand 351 states and 459 transitions. Second operand 5 states. [2019-12-07 10:47:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:00,998 INFO L93 Difference]: Finished difference Result 1844 states and 2379 transitions. [2019-12-07 10:47:00,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:47:00,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-07 10:47:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:01,004 INFO L225 Difference]: With dead ends: 1844 [2019-12-07 10:47:01,004 INFO L226 Difference]: Without dead ends: 1499 [2019-12-07 10:47:01,005 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:47:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2019-12-07 10:47:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 694. [2019-12-07 10:47:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-12-07 10:47:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 883 transitions. [2019-12-07 10:47:01,057 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 883 transitions. Word has length 53 [2019-12-07 10:47:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:01,057 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 883 transitions. [2019-12-07 10:47:01,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:47:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 883 transitions. [2019-12-07 10:47:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 10:47:01,058 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:01,058 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:01,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 10:47:01,259 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:01,259 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2019-12-07 10:47:01,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:01,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006082608] [2019-12-07 10:47:01,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:01,375 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:47:01,377 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:47:01,400 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:01,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:47:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:47:01,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006082608] [2019-12-07 10:47:01,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [257636038] [2019-12-07 10:47:01,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:01,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:47:01,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 10:47:01,577 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 10:47:01,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:47:01,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2019-12-07 10:47:01,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85355822] [2019-12-07 10:47:01,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:47:01,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:01,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:47:01,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:47:01,581 INFO L87 Difference]: Start difference. First operand 694 states and 883 transitions. Second operand 5 states. [2019-12-07 10:47:01,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:01,681 INFO L93 Difference]: Finished difference Result 1588 states and 2039 transitions. [2019-12-07 10:47:01,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:47:01,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-07 10:47:01,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:01,685 INFO L225 Difference]: With dead ends: 1588 [2019-12-07 10:47:01,686 INFO L226 Difference]: Without dead ends: 990 [2019-12-07 10:47:01,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:47:01,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-12-07 10:47:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 718. [2019-12-07 10:47:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2019-12-07 10:47:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 907 transitions. [2019-12-07 10:47:01,740 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 907 transitions. Word has length 54 [2019-12-07 10:47:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:01,740 INFO L462 AbstractCegarLoop]: Abstraction has 718 states and 907 transitions. [2019-12-07 10:47:01,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:47:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 907 transitions. [2019-12-07 10:47:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 10:47:01,741 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:01,741 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:02,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:02,142 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:02,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:02,142 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2019-12-07 10:47:02,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:02,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479318821] [2019-12-07 10:47:02,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:02,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:47:02,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,260 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479318821] [2019-12-07 10:47:02,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1908644555] [2019-12-07 10:47:02,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:02,375 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 10:47:02,376 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,390 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515866958] [2019-12-07 10:47:02,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:47:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:02,505 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:47:02,507 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,516 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:02,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 10:47:02,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2019-12-07 10:47:02,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218974722] [2019-12-07 10:47:02,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 10:47:02,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:02,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 10:47:02,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:47:02,526 INFO L87 Difference]: Start difference. First operand 718 states and 907 transitions. Second operand 9 states. [2019-12-07 10:47:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:02,823 INFO L93 Difference]: Finished difference Result 1758 states and 2207 transitions. [2019-12-07 10:47:02,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 10:47:02,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-12-07 10:47:02,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:02,827 INFO L225 Difference]: With dead ends: 1758 [2019-12-07 10:47:02,827 INFO L226 Difference]: Without dead ends: 1046 [2019-12-07 10:47:02,828 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:47:02,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2019-12-07 10:47:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 633. [2019-12-07 10:47:02,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2019-12-07 10:47:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 778 transitions. [2019-12-07 10:47:02,878 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 778 transitions. Word has length 54 [2019-12-07 10:47:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:02,879 INFO L462 AbstractCegarLoop]: Abstraction has 633 states and 778 transitions. [2019-12-07 10:47:02,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 10:47:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 778 transitions. [2019-12-07 10:47:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 10:47:02,879 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:02,879 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:03,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3,16 cvc4 --incremental --print-success --lang smt --rewrite-divk,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:47:03,481 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:03,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:03,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2019-12-07 10:47:03,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:03,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665915099] [2019-12-07 10:47:03,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:03,586 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:47:03,587 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:47:03,605 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:47:03,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665915099] [2019-12-07 10:47:03,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:47:03,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:47:03,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922428323] [2019-12-07 10:47:03,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:47:03,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:03,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:47:03,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:47:03,613 INFO L87 Difference]: Start difference. First operand 633 states and 778 transitions. Second operand 6 states. [2019-12-07 10:47:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:04,005 INFO L93 Difference]: Finished difference Result 2455 states and 3007 transitions. [2019-12-07 10:47:04,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 10:47:04,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-12-07 10:47:04,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:04,011 INFO L225 Difference]: With dead ends: 2455 [2019-12-07 10:47:04,011 INFO L226 Difference]: Without dead ends: 1914 [2019-12-07 10:47:04,012 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:47:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2019-12-07 10:47:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 811. [2019-12-07 10:47:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-12-07 10:47:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 989 transitions. [2019-12-07 10:47:04,091 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 989 transitions. Word has length 55 [2019-12-07 10:47:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:04,091 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 989 transitions. [2019-12-07 10:47:04,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:47:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 989 transitions. [2019-12-07 10:47:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 10:47:04,092 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:04,092 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:47:04,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-12-07 10:47:04,292 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:04,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:04,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1078461655, now seen corresponding path program 1 times [2019-12-07 10:47:04,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:04,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235218919] [2019-12-07 10:47:04,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:04,398 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:47:04,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,418 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235218919] [2019-12-07 10:47:04,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [64178990] [2019-12-07 10:47:04,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:04,543 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:47:04,544 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,552 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624548882] [2019-12-07 10:47:04,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:47:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:04,635 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:47:04,635 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,643 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:47:04,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 10:47:04,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2019-12-07 10:47:04,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674237572] [2019-12-07 10:47:04,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:47:04,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:04,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:47:04,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:47:04,649 INFO L87 Difference]: Start difference. First operand 811 states and 989 transitions. Second operand 10 states. [2019-12-07 10:47:05,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:05,533 INFO L93 Difference]: Finished difference Result 5152 states and 6370 transitions. [2019-12-07 10:47:05,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-07 10:47:05,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2019-12-07 10:47:05,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:05,547 INFO L225 Difference]: With dead ends: 5152 [2019-12-07 10:47:05,548 INFO L226 Difference]: Without dead ends: 4433 [2019-12-07 10:47:05,549 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2019-12-07 10:47:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2019-12-07 10:47:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 986. [2019-12-07 10:47:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2019-12-07 10:47:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1215 transitions. [2019-12-07 10:47:05,652 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1215 transitions. Word has length 55 [2019-12-07 10:47:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:05,652 INFO L462 AbstractCegarLoop]: Abstraction has 986 states and 1215 transitions. [2019-12-07 10:47:05,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:47:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1215 transitions. [2019-12-07 10:47:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-07 10:47:05,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:05,654 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-12-07 10:47:06,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:06,255 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:06,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:06,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1906713815, now seen corresponding path program 1 times [2019-12-07 10:47:06,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:06,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021043599] [2019-12-07 10:47:06,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:06,367 INFO L264 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:47:06,368 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-07 10:47:06,379 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-07 10:47:06,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021043599] [2019-12-07 10:47:06,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:47:06,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:47:06,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915551143] [2019-12-07 10:47:06,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:47:06,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:06,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:47:06,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:47:06,393 INFO L87 Difference]: Start difference. First operand 986 states and 1215 transitions. Second operand 6 states. [2019-12-07 10:47:06,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:06,505 INFO L93 Difference]: Finished difference Result 2102 states and 2600 transitions. [2019-12-07 10:47:06,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:47:06,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2019-12-07 10:47:06,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:06,509 INFO L225 Difference]: With dead ends: 2102 [2019-12-07 10:47:06,509 INFO L226 Difference]: Without dead ends: 1122 [2019-12-07 10:47:06,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:47:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2019-12-07 10:47:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 936. [2019-12-07 10:47:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2019-12-07 10:47:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1151 transitions. [2019-12-07 10:47:06,595 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1151 transitions. Word has length 96 [2019-12-07 10:47:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:06,595 INFO L462 AbstractCegarLoop]: Abstraction has 936 states and 1151 transitions. [2019-12-07 10:47:06,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:47:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1151 transitions. [2019-12-07 10:47:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-07 10:47:06,597 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:06,597 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 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] [2019-12-07 10:47:06,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 mathsat -unsat_core_generation=3 [2019-12-07 10:47:06,798 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:06,798 INFO L82 PathProgramCache]: Analyzing trace with hash 103276133, now seen corresponding path program 1 times [2019-12-07 10:47:06,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:06,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124467914] [2019-12-07 10:47:06,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:06,928 INFO L264 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:47:06,929 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 10:47:06,960 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:06,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:47:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 10:47:06,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124467914] [2019-12-07 10:47:06,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [708477525] [2019-12-07 10:47:06,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:47:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:07,089 INFO L264 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 10:47:07,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-07 10:47:07,151 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-07 10:47:07,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978037199] [2019-12-07 10:47:07,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:47:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:47:07,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:47:07,357 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:07,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:47:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-07 10:47:07,431 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:07,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:47:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-07 10:47:07,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2019-12-07 10:47:07,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2019-12-07 10:47:07,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153680764] [2019-12-07 10:47:07,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:47:07,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:07,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:47:07,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2019-12-07 10:47:07,483 INFO L87 Difference]: Start difference. First operand 936 states and 1151 transitions. Second operand 8 states. [2019-12-07 10:47:08,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:08,123 INFO L93 Difference]: Finished difference Result 2941 states and 3657 transitions. [2019-12-07 10:47:08,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 10:47:08,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2019-12-07 10:47:08,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:08,130 INFO L225 Difference]: With dead ends: 2941 [2019-12-07 10:47:08,130 INFO L226 Difference]: Without dead ends: 2011 [2019-12-07 10:47:08,132 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 685 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 10:47:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2019-12-07 10:47:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1127. [2019-12-07 10:47:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-12-07 10:47:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1390 transitions. [2019-12-07 10:47:08,254 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1390 transitions. Word has length 118 [2019-12-07 10:47:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:08,254 INFO L462 AbstractCegarLoop]: Abstraction has 1127 states and 1390 transitions. [2019-12-07 10:47:08,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:47:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1390 transitions. [2019-12-07 10:47:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-07 10:47:08,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:47:08,256 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 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] [2019-12-07 10:47:08,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt --rewrite-divk,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:47:08,858 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:47:08,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:47:08,858 INFO L82 PathProgramCache]: Analyzing trace with hash 76923233, now seen corresponding path program 2 times [2019-12-07 10:47:08,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:47:08,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625481716] [2019-12-07 10:47:08,860 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2019-12-07 10:47:09,506 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 10:47:09,507 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 10:47:09,532 INFO L264 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:47:09,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:47:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-07 10:47:09,555 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:47:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-07 10:47:09,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625481716] [2019-12-07 10:47:09,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:47:09,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:47:09,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311218359] [2019-12-07 10:47:09,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:47:09,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:47:09,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:47:09,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:47:09,584 INFO L87 Difference]: Start difference. First operand 1127 states and 1390 transitions. Second operand 8 states. [2019-12-07 10:47:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:47:09,669 INFO L93 Difference]: Finished difference Result 1431 states and 1754 transitions. [2019-12-07 10:47:09,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:47:09,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2019-12-07 10:47:09,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:47:09,670 INFO L225 Difference]: With dead ends: 1431 [2019-12-07 10:47:09,670 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:47:09,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:47:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:47:09,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:47:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:47:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:47:09,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2019-12-07 10:47:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:47:09,671 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:47:09,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:47:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:47:09,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:47:09,872 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2019-12-07 10:47:09,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:47:10,018 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2019-12-07 10:47:10,162 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 152 [2019-12-07 10:47:10,417 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 192 [2019-12-07 10:47:10,776 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 235 [2019-12-07 10:47:11,178 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 235 [2019-12-07 10:47:11,432 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 224 [2019-12-07 10:47:11,727 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 230 [2019-12-07 10:47:11,987 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2019-12-07 10:47:12,807 WARN L192 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 44 [2019-12-07 10:47:13,114 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2019-12-07 10:47:14,530 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2019-12-07 10:47:15,161 WARN L192 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38 [2019-12-07 10:47:16,935 WARN L192 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 227 DAG size of output: 44 [2019-12-07 10:47:17,245 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 38 [2019-12-07 10:47:18,057 WARN L192 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 49 [2019-12-07 10:47:19,907 WARN L192 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 227 DAG size of output: 44 [2019-12-07 10:47:21,542 WARN L192 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 217 DAG size of output: 45 [2019-12-07 10:47:22,578 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2019-12-07 10:47:24,216 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 225 DAG size of output: 42 [2019-12-07 10:47:24,218 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,218 INFO L242 CegarLoopResult]: At program point L961(lines 946 964) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse9 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse10 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse9 .cse10 .cse11))) [2019-12-07 10:47:24,218 INFO L242 CegarLoopResult]: At program point L961-1(lines 946 964) the Hoare annotation is: false [2019-12-07 10:47:24,218 INFO L242 CegarLoopResult]: At program point L961-2(lines 946 964) the Hoare annotation is: false [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L242 CegarLoopResult]: At program point L730-1(lines 730 736) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse7 .cse8 .cse3 .cse4 .cse5 .cse9 .cse10) (and .cse6 .cse2 .cse11 .cse7 .cse8 .cse4 .cse5 .cse9 .cse10) (and .cse0 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5) (and .cse0 .cse11 .cse2 .cse8 .cse4 .cse5))) [2019-12-07 10:47:24,219 INFO L242 CegarLoopResult]: At program point L565-2(lines 565 579) the Hoare annotation is: false [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533-2(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533-3(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533-4(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L533-5(lines 533 539) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2019-12-07 10:47:24,219 INFO L246 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L569-1(lines 776 782) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L834(lines 834 851) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L834-1(lines 834 851) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L834-2(lines 834 851) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538(lines 529 542) the Hoare annotation is: false [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538-1(lines 529 542) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse9 .cse2 .cse5 .cse6))) [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538-2(lines 529 542) the Hoare annotation is: false [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538-3(lines 529 542) the Hoare annotation is: false [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538-4(lines 529 542) the Hoare annotation is: false [2019-12-07 10:47:24,220 INFO L242 CegarLoopResult]: At program point L538-5(lines 529 542) the Hoare annotation is: false [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,220 INFO L246 CegarLoopResult]: For program point L936-3(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-5(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-6(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-8(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-9(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-11(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-12(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-14(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-15(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L936-17(lines 936 940) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L838-1(lines 838 846) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L740(lines 740 753) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L246 CegarLoopResult]: For program point L641(lines 641 648) no Hoare annotation was computed. [2019-12-07 10:47:24,221 INFO L249 CegarLoopResult]: At program point L641-1(lines 641 648) the Hoare annotation is: true [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808-1(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808-2(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808-3(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808-4(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L808-5(lines 808 825) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L242 CegarLoopResult]: At program point L776(lines 775 794) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse8 .cse9) (and .cse6 .cse1 .cse10 .cse2 .cse7 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse2 .cse11 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse5) (and .cse0 .cse10 .cse2 .cse11 .cse4 .cse5))) [2019-12-07 10:47:24,222 INFO L246 CegarLoopResult]: For program point L776-1(lines 776 782) no Hoare annotation was computed. [2019-12-07 10:47:24,222 INFO L242 CegarLoopResult]: At program point L776-2(lines 775 794) the Hoare annotation is: false [2019-12-07 10:47:24,222 INFO L242 CegarLoopResult]: At program point L677(lines 1 972) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 10:47:24,222 INFO L242 CegarLoopResult]: At program point L776-3(lines 775 794) the Hoare annotation is: false [2019-12-07 10:47:24,222 INFO L242 CegarLoopResult]: At program point L942(lines 927 945) the Hoare annotation is: false [2019-12-07 10:47:24,223 INFO L242 CegarLoopResult]: At program point L942-1(lines 927 945) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse10 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)))) (.cse13 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse15 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse1 .cse3 .cse2 .cse13 .cse14 .cse6 .cse7) (and .cse10 .cse11 .cse12 .cse1 .cse3 .cse13 .cse14 .cse15 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse15 .cse6 .cse7 .cse8 .cse9))) [2019-12-07 10:47:24,223 INFO L242 CegarLoopResult]: At program point L942-2(lines 927 945) the Hoare annotation is: false [2019-12-07 10:47:24,223 INFO L242 CegarLoopResult]: At program point L942-3(lines 927 945) the Hoare annotation is: false [2019-12-07 10:47:24,223 INFO L242 CegarLoopResult]: At program point L942-4(lines 927 945) the Hoare annotation is: false [2019-12-07 10:47:24,223 INFO L242 CegarLoopResult]: At program point L942-5(lines 927 945) the Hoare annotation is: false [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L711(lines 710 757) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812-1(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812-2(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812-3(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812-4(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,223 INFO L246 CegarLoopResult]: For program point L812-5(lines 812 820) no Hoare annotation was computed. [2019-12-07 10:47:24,224 INFO L242 CegarLoopResult]: At program point L614(lines 610 616) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-12-07 10:47:24,224 INFO L242 CegarLoopResult]: At program point L548(lines 543 551) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8))) [2019-12-07 10:47:24,224 INFO L242 CegarLoopResult]: At program point L548-1(lines 543 551) the Hoare annotation is: false [2019-12-07 10:47:24,224 INFO L242 CegarLoopResult]: At program point L548-2(lines 543 551) the Hoare annotation is: false [2019-12-07 10:47:24,224 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:47:24,224 INFO L246 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-12-07 10:47:24,224 INFO L242 CegarLoopResult]: At program point L748-2(lines 776 782) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse7 .cse8 .cse3 .cse4 .cse5 .cse9 .cse10) (and .cse6 .cse2 .cse11 .cse7 .cse8 .cse4 .cse5 .cse9 .cse10) (and .cse0 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5) (and .cse0 .cse11 .cse2 .cse8 .cse4 .cse5))) [2019-12-07 10:47:24,224 INFO L249 CegarLoopResult]: At program point L650(lines 631 653) the Hoare annotation is: true [2019-12-07 10:47:24,224 INFO L246 CegarLoopResult]: For program point L419(lines 419 439) no Hoare annotation was computed. [2019-12-07 10:47:24,224 INFO L246 CegarLoopResult]: For program point L419-2(lines 419 439) no Hoare annotation was computed. [2019-12-07 10:47:24,224 INFO L246 CegarLoopResult]: For program point L419-4(lines 419 439) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse1 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse11 .cse1 .cse10 .cse5 .cse6))) [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L783-1(lines 783 789) the Hoare annotation is: false [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L783-2(lines 783 789) the Hoare annotation is: false [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L685(lines 680 688) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L720-1(lines 720 726) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv4294967295 32)))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse8 .cse2 .cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) .cse10 .cse11 .cse6 .cse7 .cse12 .cse13) (and .cse0 .cse2 .cse10 .cse11 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse11 .cse6 .cse7) (and .cse8 .cse2 .cse1 .cse9 .cse4 .cse10 .cse5 .cse6 .cse7 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse10 .cse5 .cse6 .cse7))) [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L887(lines 882 890) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) [2019-12-07 10:47:24,225 INFO L242 CegarLoopResult]: At program point L887-1(lines 882 890) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L887-2(lines 882 890) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 972) the Hoare annotation is: (let ((.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv4294967295 32)))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse9 .cse10 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse6 .cse11 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) .cse12 .cse7 .cse13) (and .cse8 .cse2 .cse1 .cse9 .cse4 .cse12 .cse5 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse2 .cse3 .cse10 .cse6 .cse7))) [2019-12-07 10:47:24,226 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 972) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 972) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3 .cse4 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4 .cse5 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))))) [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L242 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2019-12-07 10:47:24,226 INFO L246 CegarLoopResult]: For program point L955(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L955-3(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L955-5(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L955-6(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L955-8(lines 955 959) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L242 CegarLoopResult]: At program point L493(lines 488 496) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse8 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse10 .cse11 .cse4 .cse5 .cse6 .cse12 .cse13) (and .cse9 .cse7 .cse2 .cse10 .cse11 .cse8 .cse5 .cse6 .cse12 .cse13))) [2019-12-07 10:47:24,227 INFO L242 CegarLoopResult]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2019-12-07 10:47:24,227 INFO L242 CegarLoopResult]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2019-12-07 10:47:24,227 INFO L242 CegarLoopResult]: At program point L758(lines 709 759) the Hoare annotation is: false [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-12-07 10:47:24,227 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-12-07 10:47:24,228 INFO L246 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,228 INFO L246 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,228 INFO L246 CegarLoopResult]: For program point L694-2(line 694) no Hoare annotation was computed. [2019-12-07 10:47:24,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:47:24 BoogieIcfgContainer [2019-12-07 10:47:24,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:47:24,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:47:24,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:47:24,260 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:47:24,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:55" (3/4) ... [2019-12-07 10:47:24,263 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:47:24,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:47:24,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:47:24,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:47:24,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:47:24,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:47:24,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:47:24,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:47:24,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result [2019-12-07 10:47:24,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result [2019-12-07 10:47:24,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) [2019-12-07 10:47:24,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) [2019-12-07 10:47:24,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:47:24,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && tmp == 0bv32) [2019-12-07 10:47:24,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 10:47:24,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) [2019-12-07 10:47:24,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 [2019-12-07 10:47:24,336 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_45cf7012-ed99-4a82-b715-39cb12f6cdf6/bin/utaipan/witness.graphml [2019-12-07 10:47:24,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:47:24,337 INFO L168 Benchmark]: Toolchain (without parser) took 29945.86 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 566.8 MB). Free memory was 947.0 MB in the beginning and 1.4 GB in the end (delta: -464.7 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,338 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:47:24,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,338 INFO L168 Benchmark]: Boogie Preprocessor took 35.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:47:24,338 INFO L168 Benchmark]: RCFGBuilder took 576.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,339 INFO L168 Benchmark]: TraceAbstraction took 28821.83 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 446.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -422.0 MB). Peak memory consumption was 656.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,339 INFO L168 Benchmark]: Witness Printer took 76.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:47:24,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 576.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28821.83 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 446.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -422.0 MB). Peak memory consumption was 656.3 MB. Max. memory is 11.5 GB. * Witness Printer took 76.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 694]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 694]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((((((((1bv32 == pumpRunning && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 14.3s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, HoareTripleCheckerStatistics: 2057 SDtfs, 4737 SDslu, 5556 SDs, 0 SdLazy, 932 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2868 GetRequests, 2697 SyntacticMatches, 7 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 8260 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 169 NumberOfFragments, 1711 HoareAnnotationTreeSize, 46 FomulaSimplifications, 123705644 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 10825842 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1414 NumberOfCodeBlocks, 1414 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2778 ConstructedInterpolants, 0 QuantifiedInterpolants, 488111 SizeOfPredicates, 80 NumberOfNonLiveVariables, 5856 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 50 InterpolantComputations, 31 PerfectInterpolantSequences, 1532/1966 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...