./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 934ab0390c329c7530c5b91d73a3c4d56fdd69be ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 934ab0390c329c7530c5b91d73a3c4d56fdd69be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:59:24,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:24,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:24,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:24,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:24,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:24,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:24,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:24,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:24,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:24,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:24,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:24,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:24,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:24,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:24,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:24,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:24,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:24,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:24,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:24,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:24,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:24,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:24,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:24,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:24,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:24,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:24,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:24,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:24,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:24,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:24,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:24,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:24,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:24,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:24,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:24,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:24,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:24,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:24,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:24,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:24,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:24,264 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:24,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:24,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:24,266 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:24,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:24,266 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:24,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:24,267 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:24,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:24,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:24,268 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:24,269 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:24,269 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:24,269 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:24,269 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:24,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:24,270 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:24,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:24,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:24,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:24,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:24,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:24,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:24,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:24,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:24,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:24,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:24,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:24,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:24,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:24,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:24,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:24,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:24,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:24,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:24,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:24,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:24,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:24,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:24,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:24,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934ab0390c329c7530c5b91d73a3c4d56fdd69be [2020-11-22 12:59:24,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:24,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:24,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:24,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:24,616 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:24,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-11-22 12:59:24,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/21fcad70e/cadf24175f154b44b499ce7543cc25c9/FLAGffdae627a [2020-11-22 12:59:25,313 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:25,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-11-22 12:59:25,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/21fcad70e/cadf24175f154b44b499ce7543cc25c9/FLAGffdae627a [2020-11-22 12:59:25,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/21fcad70e/cadf24175f154b44b499ce7543cc25c9 [2020-11-22 12:59:25,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:25,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:25,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:25,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:25,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:25,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:25" (1/1) ... [2020-11-22 12:59:25,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69554cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:25, skipping insertion in model container [2020-11-22 12:59:25,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:25" (1/1) ... [2020-11-22 12:59:25,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:25,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:26,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:26,032 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) [2020-11-22 12:59:26,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dec5acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:26, skipping insertion in model container [2020-11-22 12:59:26,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:26,033 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:26,036 INFO L168 Benchmark]: Toolchain (without parser) took 423.67 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 55.1 MB in the beginning and 88.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:26,037 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:26,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.98 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 54.8 MB in the beginning and 88.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:26,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.98 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 54.8 MB in the beginning and 88.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: 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 0.2.0-a4ecdab [2020-11-22 12:59:28,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:28,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:28,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:28,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:28,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:28,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:28,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:28,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:28,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:28,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:28,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:28,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:28,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:28,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:28,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:28,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:28,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:28,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:28,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:28,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:28,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:28,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:28,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:28,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:28,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:28,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:28,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:28,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:28,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:28,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:28,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:28,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:28,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:28,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:28,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:28,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:28,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:28,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:28,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:28,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:28,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:28,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:28,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:28,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:28,671 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:28,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:28,672 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:28,672 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:28,672 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:28,673 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:28,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:28,674 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:28,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:28,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:28,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:28,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:28,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:28,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:28,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:28,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:28,678 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:28,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:28,679 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:28,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:28,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:28,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:28,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:28,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:28,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:28,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:28,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:28,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:28,681 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:28,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:28,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:28,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:28,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:28,682 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934ab0390c329c7530c5b91d73a3c4d56fdd69be [2020-11-22 12:59:29,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:29,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:29,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:29,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:29,110 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:29,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-11-22 12:59:29,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/7557d94ac/e64e6bdb9b4344f2b78aee5731dace6d/FLAGf76063fc0 [2020-11-22 12:59:29,903 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:29,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2020-11-22 12:59:29,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/7557d94ac/e64e6bdb9b4344f2b78aee5731dace6d/FLAGf76063fc0 [2020-11-22 12:59:30,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/data/7557d94ac/e64e6bdb9b4344f2b78aee5731dace6d [2020-11-22 12:59:30,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:30,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:30,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:30,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:30,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:30,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbc56e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30, skipping insertion in model container [2020-11-22 12:59:30,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:30,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,623 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:30,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,746 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:30,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,888 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:30,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30 WrapperNode [2020-11-22 12:59:30,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:30,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:30,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:30,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:30,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:30,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:30,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:30,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:30,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:31,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:31,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:31,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:31,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:31,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:31,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:33,486 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:33,487 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-11-22 12:59:33,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33 BoogieIcfgContainer [2020-11-22 12:59:33,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:33,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:33,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:33,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:33,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:30" (1/3) ... [2020-11-22 12:59:33,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a23b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (2/3) ... [2020-11-22 12:59:33,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a23b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/3) ... [2020-11-22 12:59:33,497 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-11-22 12:59:33,509 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:33,514 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:33,527 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:33,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:33,552 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:33,552 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:33,552 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:33,552 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:33,553 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:33,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:33,553 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-22 12:59:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:59:33,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:33,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:33,574 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:33,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:33,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-11-22 12:59:33,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:33,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650273476] [2020-11-22 12:59:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:33,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:33,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:33,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:33,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650273476] [2020-11-22 12:59:33,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:33,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:33,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006863871] [2020-11-22 12:59:33,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:33,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:33,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:33,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:33,905 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-22 12:59:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:33,927 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-22 12:59:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:33,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:59:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:33,937 INFO L225 Difference]: With dead ends: 115 [2020-11-22 12:59:33,937 INFO L226 Difference]: Without dead ends: 55 [2020-11-22 12:59:33,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-22 12:59:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-22 12:59:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 12:59:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-22 12:59:33,976 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-22 12:59:33,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:33,976 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-22 12:59:33,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-22 12:59:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:59:33,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:33,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:34,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,200 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-11-22 12:59:34,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952495146] [2020-11-22 12:59:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952495146] [2020-11-22 12:59:34,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:34,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540259921] [2020-11-22 12:59:34,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:34,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:34,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,452 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2020-11-22 12:59:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,470 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-22 12:59:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:34,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:59:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,474 INFO L225 Difference]: With dead ends: 55 [2020-11-22 12:59:34,475 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 12:59:34,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 12:59:34,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 12:59:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 12:59:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 12:59:34,483 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-22 12:59:34,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,487 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 12:59:34,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 12:59:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:34,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:34,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,705 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,706 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-11-22 12:59:34,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462890049] [2020-11-22 12:59:34,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462890049] [2020-11-22 12:59:34,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:34,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993812296] [2020-11-22 12:59:34,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:34,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:34,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,929 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2020-11-22 12:59:34,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,966 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-11-22 12:59:34,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:34,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:59:34,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,969 INFO L225 Difference]: With dead ends: 98 [2020-11-22 12:59:34,969 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 12:59:34,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 12:59:34,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-11-22 12:59:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-22 12:59:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-22 12:59:34,994 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-22 12:59:34,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,996 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-22 12:59:34,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-22 12:59:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:34,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:35,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:35,207 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:35,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-11-22 12:59:35,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:35,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939548347] [2020-11-22 12:59:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:35,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:35,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939548347] [2020-11-22 12:59:35,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:35,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:59:35,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598819002] [2020-11-22 12:59:35,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:35,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:35,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:35,474 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2020-11-22 12:59:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:35,800 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2020-11-22 12:59:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:59:35,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 12:59:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:35,804 INFO L225 Difference]: With dead ends: 307 [2020-11-22 12:59:35,805 INFO L226 Difference]: Without dead ends: 265 [2020-11-22 12:59:35,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:59:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-11-22 12:59:35,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2020-11-22 12:59:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-22 12:59:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2020-11-22 12:59:35,859 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2020-11-22 12:59:35,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:35,859 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2020-11-22 12:59:35,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:35,859 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2020-11-22 12:59:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:59:35,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:35,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:36,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,063 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:36,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:36,063 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2020-11-22 12:59:36,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:36,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824144046] [2020-11-22 12:59:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:36,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:36,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824144046] [2020-11-22 12:59:36,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:36,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:36,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502548478] [2020-11-22 12:59:36,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:36,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:36,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:36,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:36,284 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2020-11-22 12:59:36,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:36,307 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2020-11-22 12:59:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:36,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 12:59:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:36,309 INFO L225 Difference]: With dead ends: 224 [2020-11-22 12:59:36,310 INFO L226 Difference]: Without dead ends: 112 [2020-11-22 12:59:36,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-22 12:59:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-22 12:59:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-22 12:59:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2020-11-22 12:59:36,342 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2020-11-22 12:59:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:36,342 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2020-11-22 12:59:36,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2020-11-22 12:59:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 12:59:36,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:36,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:36,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,570 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:36,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1276019864, now seen corresponding path program 1 times [2020-11-22 12:59:36,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:36,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143252049] [2020-11-22 12:59:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/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 [2020-11-22 12:59:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:59:36,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143252049] [2020-11-22 12:59:36,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2092966797] [2020-11-22 12:59:36,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:37,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:37,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:59:37,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:59:37,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:59:37,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 12:59:37,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052256958] [2020-11-22 12:59:37,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:37,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:37,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:37,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:37,081 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2020-11-22 12:59:37,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:37,256 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2020-11-22 12:59:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:37,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 12:59:37,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:37,258 INFO L225 Difference]: With dead ends: 228 [2020-11-22 12:59:37,258 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:37,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 12:59:37,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:37,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 12:59:37,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:37,260 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:37,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:37,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:37,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:37,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:38,078 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,078 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-11-22 12:59:38,078 INFO L274 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-11-22 12:59:38,078 INFO L274 CegarLoopResult]: For program point L779-1(lines 542 548) no Hoare annotation was computed. [2020-11-22 12:59:38,078 INFO L270 CegarLoopResult]: At program point L746-1(lines 1 858) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,084 INFO L274 CegarLoopResult]: For program point L746-2(lines 746 759) no Hoare annotation was computed. [2020-11-22 12:59:38,084 INFO L270 CegarLoopResult]: At program point L746-3(lines 1 858) the Hoare annotation is: false [2020-11-22 12:59:38,084 INFO L274 CegarLoopResult]: For program point L746-4(lines 746 759) no Hoare annotation was computed. [2020-11-22 12:59:38,084 INFO L270 CegarLoopResult]: At program point L746-5(lines 1 858) the Hoare annotation is: false [2020-11-22 12:59:38,084 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,084 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,084 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L274 CegarLoopResult]: For program point L664-3(lines 664 668) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L274 CegarLoopResult]: For program point L664-6(lines 664 668) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L274 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-11-22 12:59:38,085 INFO L277 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2020-11-22 12:59:38,085 INFO L270 CegarLoopResult]: At program point L549(lines 549 555) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,085 INFO L270 CegarLoopResult]: At program point L549-1(lines 549 555) the Hoare annotation is: false [2020-11-22 12:59:38,085 INFO L270 CegarLoopResult]: At program point L549-2(lines 549 555) the Hoare annotation is: false [2020-11-22 12:59:38,085 INFO L270 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:38,086 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L518(lines 469 519) the Hoare annotation is: false [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L733(lines 728 736) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L733-1(lines 728 736) the Hoare annotation is: false [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L733-2(lines 728 736) the Hoare annotation is: false [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L601(lines 596 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,086 INFO L270 CegarLoopResult]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2020-11-22 12:59:38,089 INFO L270 CegarLoopResult]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2020-11-22 12:59:38,090 INFO L274 CegarLoopResult]: For program point L750(lines 750 756) no Hoare annotation was computed. [2020-11-22 12:59:38,090 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 756) no Hoare annotation was computed. [2020-11-22 12:59:38,090 INFO L274 CegarLoopResult]: For program point L750-4(lines 750 756) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L274 CegarLoopResult]: For program point L471(lines 470 517) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L274 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L274 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-11-22 12:59:38,091 INFO L270 CegarLoopResult]: At program point L506-1(lines 542 548) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,092 INFO L274 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-11-22 12:59:38,092 INFO L274 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-11-22 12:59:38,093 INFO L270 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:38,093 INFO L270 CegarLoopResult]: At program point L442(lines 1 858) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:38,093 INFO L277 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2020-11-22 12:59:38,093 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 12:59:38,094 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 12:59:38,094 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 12:59:38,094 INFO L270 CegarLoopResult]: At program point L542(lines 541 560) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,094 INFO L274 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-11-22 12:59:38,094 INFO L270 CegarLoopResult]: At program point L542-2(lines 541 560) the Hoare annotation is: false [2020-11-22 12:59:38,094 INFO L270 CegarLoopResult]: At program point L542-3(lines 541 560) the Hoare annotation is: false [2020-11-22 12:59:38,095 INFO L270 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:38,095 INFO L270 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-11-22 12:59:38,095 INFO L274 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-11-22 12:59:38,095 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:38,095 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:38,095 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-11-22 12:59:38,098 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-22 12:59:38,098 INFO L270 CegarLoopResult]: At program point L645-1(lines 645 651) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,098 INFO L274 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-11-22 12:59:38,098 INFO L270 CegarLoopResult]: At program point L480-1(lines 480 486) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:38 BoogieIcfgContainer [2020-11-22 12:59:38,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:38,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:38,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:38,123 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:38,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/4) ... [2020-11-22 12:59:38,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:38,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:38,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:38,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:38,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:38,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:38,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:38,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:38,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:59:38,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9271f713-2319-442b-ab94-97ba299ca6ef/bin/utaipan/witness.graphml [2020-11-22 12:59:38,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:38,229 INFO L168 Benchmark]: Toolchain (without parser) took 8089.32 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 62.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,230 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 71.3 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:38,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.14 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 49.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.08 ms. Allocated memory is still 71.3 MB. Free memory was 49.5 MB in the beginning and 46.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,232 INFO L168 Benchmark]: Boogie Preprocessor took 78.11 ms. Allocated memory is still 71.3 MB. Free memory was 46.9 MB in the beginning and 44.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,232 INFO L168 Benchmark]: RCFGBuilder took 2426.98 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 58.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,233 INFO L168 Benchmark]: TraceAbstraction took 4631.03 ms. Allocated memory is still 90.2 MB. Free memory was 57.9 MB in the beginning and 68.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,233 INFO L168 Benchmark]: Witness Printer took 105.47 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 62.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:38,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 71.3 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.14 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 49.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.08 ms. Allocated memory is still 71.3 MB. Free memory was 49.5 MB in the beginning and 46.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.11 ms. Allocated memory is still 71.3 MB. Free memory was 46.9 MB in the beginning and 44.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2426.98 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 58.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4631.03 ms. Allocated memory is still 90.2 MB. Free memory was 57.9 MB in the beginning and 68.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 105.47 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 62.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 645]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 298 SDtfs, 450 SDslu, 505 SDs, 0 SdLazy, 102 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 122 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 22679 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1399 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 46/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...