./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 2b192e470c41b75933f65965ba2800987829e5a8 ............................................................................................................................................ 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_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 2b192e470c41b75933f65965ba2800987829e5a8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:02:32,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:32,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:32,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:32,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:32,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:32,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:32,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:32,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:32,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:32,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:32,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:32,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:32,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:32,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:32,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:32,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:32,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:32,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:32,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:32,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:32,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:32,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:32,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:32,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:32,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:32,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:32,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:32,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:32,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:32,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:32,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:32,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:32,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:32,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:32,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:32,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:32,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:32,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:32,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:32,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:32,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:32,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:32,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:32,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:32,251 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:32,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:32,251 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:32,252 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:32,252 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:32,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:32,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:32,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:32,253 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:32,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:32,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:32,253 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:32,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:32,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:32,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:32,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:32,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:32,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:32,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:32,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:32,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:32,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:32,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:32,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:32,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:32,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:32,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:32,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:32,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:32,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:32,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:32,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:32,258 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:32,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:32,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:32,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:32,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:32,260 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_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2020-11-22 13:02:32,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:32,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:32,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:32,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:32,512 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:32,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-11-22 13:02:32,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/775bf6e3d/5e4444bbcfc84063b623de77849dc493/FLAG863a8c867 [2020-11-22 13:02:33,086 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:33,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-11-22 13:02:33,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/775bf6e3d/5e4444bbcfc84063b623de77849dc493/FLAG863a8c867 [2020-11-22 13:02:33,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/775bf6e3d/5e4444bbcfc84063b623de77849dc493 [2020-11-22 13:02:33,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:33,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:33,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:33,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:33,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:33,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:33" (1/1) ... [2020-11-22 13:02:33,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f906917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:33, skipping insertion in model container [2020-11-22 13:02:33,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:33" (1/1) ... [2020-11-22 13:02:33,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:33,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:33,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:33,774 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 13:02:33,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ccb486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:33, skipping insertion in model container [2020-11-22 13:02:33,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:33,775 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:33,777 INFO L168 Benchmark]: Toolchain (without parser) took 359.63 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 63.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:33,778 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 23.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:33,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.44 ms. Allocated memory is still 88.1 MB. Free memory was 55.4 MB in the beginning and 63.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:33,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 23.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.44 ms. Allocated memory is still 88.1 MB. Free memory was 55.4 MB in the beginning and 63.3 MB in the end (delta: -7.9 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: 99]: 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 13:02:35,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:35,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:35,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:35,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:35,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:35,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:35,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:35,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:35,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:35,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:35,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:35,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:35,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:35,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:35,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:35,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:35,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:35,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:35,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:35,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:35,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:35,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:35,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:35,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:35,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:35,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:35,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:35,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:35,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:35,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:35,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:35,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:35,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:35,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:35,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:35,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:35,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:35,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:35,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:35,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:35,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:02:36,020 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:36,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:36,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:36,021 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:36,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:36,022 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:36,022 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:36,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:36,023 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:36,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:36,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:36,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:36,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:02:36,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:02:36,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:36,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:36,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:36,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:36,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:36,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:02:36,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:36,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:36,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:36,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:36,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:36,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:36,028 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:02:36,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:02:36,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:36,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:36,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:36,029 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_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2020-11-22 13:02:36,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:36,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:36,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:36,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:36,455 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:36,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-11-22 13:02:36,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/68d044a97/6d6eb7d3433f4a7cbde68a5dacb4f384/FLAG20763431a [2020-11-22 13:02:37,117 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:37,119 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-11-22 13:02:37,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/68d044a97/6d6eb7d3433f4a7cbde68a5dacb4f384/FLAG20763431a [2020-11-22 13:02:37,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/data/68d044a97/6d6eb7d3433f4a7cbde68a5dacb4f384 [2020-11-22 13:02:37,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:37,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:37,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:37,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:37,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:37,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:37" (1/1) ... [2020-11-22 13:02:37,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171b95e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:37, skipping insertion in model container [2020-11-22 13:02:37,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:37" (1/1) ... [2020-11-22 13:02:37,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:37,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:37,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:37,835 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:02:37,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:37,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:37,998 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:38,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:38,124 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:38,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38 WrapperNode [2020-11-22 13:02:38,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:38,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:38,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:38,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:38,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:38,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:38,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:38,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:38,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... [2020-11-22 13:02:38,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:38,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:38,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:38,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:38,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:02:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:40,704 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:40,704 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-22 13:02:40,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:40 BoogieIcfgContainer [2020-11-22 13:02:40,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:40,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:40,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:40,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:40,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:37" (1/3) ... [2020-11-22 13:02:40,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fcc126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:40, skipping insertion in model container [2020-11-22 13:02:40,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:38" (2/3) ... [2020-11-22 13:02:40,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fcc126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:40, skipping insertion in model container [2020-11-22 13:02:40,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:40" (3/3) ... [2020-11-22 13:02:40,715 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-11-22 13:02:40,728 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:40,733 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:02:40,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:02:40,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:40,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:40,778 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:40,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:40,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:40,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:40,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:40,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-22 13:02:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:02:40,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:40,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:40,807 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:40,813 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-11-22 13:02:40,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:40,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115337024] [2020-11-22 13:02:40,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:41,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:02:41,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:41,148 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 13:02:41,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:41,157 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 13:02:41,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115337024] [2020-11-22 13:02:41,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:41,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:02:41,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981100819] [2020-11-22 13:02:41,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:02:41,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:41,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:02:41,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:41,181 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-22 13:02:41,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:41,218 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-22 13:02:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:02:41,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:02:41,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:41,230 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:02:41,231 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:02:41,234 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 13:02:41,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:02:41,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:02:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:02:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-22 13:02:41,281 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-22 13:02:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:41,282 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-22 13:02:41,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:02:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-22 13:02:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:02:41,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:41,284 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 13:02:41,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:02:41,501 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:41,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:41,502 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-11-22 13:02:41,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:41,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364986149] [2020-11-22 13:02:41,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:41,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:41,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:41,706 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 13:02:41,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:41,719 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 13:02:41,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364986149] [2020-11-22 13:02:41,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:41,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:02:41,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986744921] [2020-11-22 13:02:41,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:41,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:41,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:41,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:41,723 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2020-11-22 13:02:41,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:41,740 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-22 13:02:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:41,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:02:41,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:41,743 INFO L225 Difference]: With dead ends: 53 [2020-11-22 13:02:41,743 INFO L226 Difference]: Without dead ends: 27 [2020-11-22 13:02:41,745 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 13:02:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-22 13:02:41,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-22 13:02:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-22 13:02:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-22 13:02:41,751 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-22 13:02:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:41,755 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-22 13:02:41,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-22 13:02:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:02:41,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:41,759 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 13:02:41,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:02:41,971 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:41,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-11-22 13:02:41,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:41,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670062147] [2020-11-22 13:02:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:42,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:42,217 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 13:02:42,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:42,267 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 13:02:42,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670062147] [2020-11-22 13:02:42,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:42,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:02:42,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985102486] [2020-11-22 13:02:42,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:02:42,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:42,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:02:42,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:02:42,271 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-22 13:02:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:42,591 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2020-11-22 13:02:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:02:42,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 13:02:42,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:42,596 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:02:42,596 INFO L226 Difference]: Without dead ends: 133 [2020-11-22 13:02:42,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:02:42,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-22 13:02:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2020-11-22 13:02:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:02:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-22 13:02:42,620 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-22 13:02:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:42,621 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-22 13:02:42,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:02:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-22 13:02:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:02:42,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:42,622 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 13:02:42,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:02:42,844 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:42,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-11-22 13:02:42,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:42,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122462910] [2020-11-22 13:02:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:43,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:43,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:43,108 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 13:02:43,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:43,111 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 13:02:43,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122462910] [2020-11-22 13:02:43,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:43,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:02:43,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454705032] [2020-11-22 13:02:43,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:43,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:43,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:43,114 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-22 13:02:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:43,156 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-22 13:02:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:43,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 13:02:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:43,160 INFO L225 Difference]: With dead ends: 95 [2020-11-22 13:02:43,160 INFO L226 Difference]: Without dead ends: 57 [2020-11-22 13:02:43,161 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 13:02:43,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-22 13:02:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-22 13:02:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:02:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-22 13:02:43,171 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-22 13:02:43,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:43,172 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-22 13:02:43,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-22 13:02:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 13:02:43,177 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:43,178 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 13:02:43,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:02:43,391 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:43,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:43,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1471456368, now seen corresponding path program 1 times [2020-11-22 13:02:43,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:43,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194032027] [2020-11-22 13:02:43,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/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 13:02:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:43,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:02:43,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:43,614 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 13:02:43,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:43,648 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 13:02:43,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194032027] [2020-11-22 13:02:43,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1471574760] [2020-11-22 13:02:43,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:02:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:43,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:43,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:43,901 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 13:02:43,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:43,905 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 13:02:43,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:02:43,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:02:43,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746963769] [2020-11-22 13:02:43,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:43,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:43,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:43,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:02:43,907 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2020-11-22 13:02:44,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:44,031 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-22 13:02:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:02:44,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 13:02:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:44,035 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:02:44,035 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:02:44,036 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 13:02:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:02:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:02:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:02:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:02:44,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 13:02:44,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:44,037 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:02:44,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:02:44,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:44,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-11-22 13:02:44,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:02:44,796 INFO L274 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2020-11-22 13:02:44,796 INFO L274 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-11-22 13:02:44,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:44,797 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,798 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 869) the Hoare annotation is: false [2020-11-22 13:02:44,798 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 869) the Hoare annotation is: false [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: false [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L831(lines 826 834) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,798 INFO L270 CegarLoopResult]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2020-11-22 13:02:44,799 INFO L270 CegarLoopResult]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-11-22 13:02:44,799 INFO L270 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:02:44,799 INFO L277 CegarLoopResult]: At program point L536-1(lines 536 543) the Hoare annotation is: true [2020-11-22 13:02:44,799 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:02:44,800 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:44,800 INFO L270 CegarLoopResult]: At program point L570(lines 570 576) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,800 INFO L270 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: false [2020-11-22 13:02:44,800 INFO L270 CegarLoopResult]: At program point L570-2(lines 570 576) the Hoare annotation is: false [2020-11-22 13:02:44,800 INFO L274 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-11-22 13:02:44,800 INFO L270 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,800 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,801 INFO L274 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-11-22 13:02:44,801 INFO L274 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-11-22 13:02:44,801 INFO L270 CegarLoopResult]: At program point L737-2(lines 563 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:02:44,803 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-22 13:02:44,804 INFO L274 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-11-22 13:02:44,804 INFO L274 CegarLoopResult]: For program point L441-2(line 441) no Hoare annotation was computed. [2020-11-22 13:02:44,804 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2020-11-22 13:02:44,804 INFO L270 CegarLoopResult]: At program point L640(lines 635 643) 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 13:02:44,804 INFO L270 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2020-11-22 13:02:44,804 INFO L270 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2020-11-22 13:02:44,805 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-22 13:02:44,806 INFO L270 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,806 INFO L274 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-11-22 13:02:44,807 INFO L274 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-11-22 13:02:44,807 INFO L270 CegarLoopResult]: At program point L709-1(lines 709 715) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,807 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:02:44,808 INFO L270 CegarLoopResult]: At program point L858(lines 1 869) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:44,808 INFO L274 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-11-22 13:02:44,808 INFO L274 CegarLoopResult]: For program point L462-1(lines 563 569) no Hoare annotation was computed. [2020-11-22 13:02:44,808 INFO L277 CegarLoopResult]: At program point L545(lines 526 548) the Hoare annotation is: true [2020-11-22 13:02:44,809 INFO L270 CegarLoopResult]: At program point L563(lines 562 581) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:02:44,809 INFO L274 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-11-22 13:02:44,809 INFO L270 CegarLoopResult]: At program point L563-2(lines 562 581) the Hoare annotation is: false [2020-11-22 13:02:44,809 INFO L270 CegarLoopResult]: At program point L563-3(lines 562 581) the Hoare annotation is: false [2020-11-22 13:02:44,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:44 BoogieIcfgContainer [2020-11-22 13:02:44,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:44,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:44,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:44,831 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:44,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:40" (3/4) ... [2020-11-22 13:02:44,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:44,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:02:44,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:02:44,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:02:44,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:02:44,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:02:44,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:44,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:44,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:02:44,940 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a4b7c504-c61f-449f-9eb2-80ba5ac3e25d/bin/utaipan/witness.graphml [2020-11-22 13:02:44,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:44,943 INFO L168 Benchmark]: Toolchain (without parser) took 7538.35 ms. Allocated memory was 50.3 MB in the beginning and 98.6 MB in the end (delta: 48.2 MB). Free memory was 27.0 MB in the beginning and 60.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,943 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:44,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.30 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.8 MB in the beginning and 40.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.16 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 38.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,944 INFO L168 Benchmark]: Boogie Preprocessor took 58.34 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 36.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,945 INFO L168 Benchmark]: RCFGBuilder took 2465.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 46.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,945 INFO L168 Benchmark]: TraceAbstraction took 4122.74 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 65.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,946 INFO L168 Benchmark]: Witness Printer took 110.20 ms. Allocated memory is still 98.6 MB. Free memory was 65.3 MB in the beginning and 60.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:44,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.30 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.8 MB in the beginning and 40.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.16 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 38.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.34 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 36.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2465.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 46.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4122.74 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 65.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Witness Printer took 110.20 ms. Allocated memory is still 98.6 MB. Free memory was 65.3 MB in the beginning and 60.3 MB in the end (delta: 5.0 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: 709]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 359 SDslu, 368 SDs, 0 SdLazy, 87 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 100 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1744 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1209 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 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...