./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 064e28b4ed1e0fa289bf741887467e59793fab1f ............................................................................................................................................ 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_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 064e28b4ed1e0fa289bf741887467e59793fab1f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:58:15,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:15,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:15,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:15,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:15,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:15,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:15,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:15,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:15,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:15,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:15,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:15,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:15,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:15,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:15,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:15,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:15,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:15,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:15,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:15,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:15,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:15,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:15,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:15,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:15,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:15,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:15,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:15,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:15,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:15,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:15,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:15,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:15,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:15,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:15,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:15,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:15,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:15,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:15,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:15,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:15,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:15,232 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:15,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:15,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:15,235 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:15,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:15,236 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:15,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:15,236 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:15,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:15,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:15,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:15,238 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:15,238 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:15,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:15,239 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:15,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:15,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:15,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:15,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:15,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:15,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:15,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:15,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:15,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:15,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:15,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:15,243 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:15,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:15,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:15,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:15,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:15,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:15,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:15,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:15,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:15,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:15,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:15,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:15,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:15,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:15,249 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_80538c89-830b-49a7-8ade-b92782755f41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 064e28b4ed1e0fa289bf741887467e59793fab1f [2020-11-22 12:58:15,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:15,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:15,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:15,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:15,529 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:15,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-11-22 12:58:15,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/a42a9a95c/37f51e6d3687442fae8ffbdc74e5e791/FLAG14d495a92 [2020-11-22 12:58:16,091 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:16,091 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-11-22 12:58:16,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/a42a9a95c/37f51e6d3687442fae8ffbdc74e5e791/FLAG14d495a92 [2020-11-22 12:58:16,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/a42a9a95c/37f51e6d3687442fae8ffbdc74e5e791 [2020-11-22 12:58:16,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:16,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:16,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:16,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:16,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:16,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:16" (1/1) ... [2020-11-22 12:58:16,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27df0c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:16, skipping insertion in model container [2020-11-22 12:58:16,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:16" (1/1) ... [2020-11-22 12:58:16,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:16,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:16,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:16,987 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 12:58:16,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@aa034f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:16, skipping insertion in model container [2020-11-22 12:58:16,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:16,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:16,992 INFO L168 Benchmark]: Toolchain (without parser) took 433.86 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 47.0 MB in the beginning and 80.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:16,994 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:16,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.18 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 46.8 MB in the beginning and 80.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:16,998 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 79.7 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.18 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 46.8 MB in the beginning and 80.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 12:58:19,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:19,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:19,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:19,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:19,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:19,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:19,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:19,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:19,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:19,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:19,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:19,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:19,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:19,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:19,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:19,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:19,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:19,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:19,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:19,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:19,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:19,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:19,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:19,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:19,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:19,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:19,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:19,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:19,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:19,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:19,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:19,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:19,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:19,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:19,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:19,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:19,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:19,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:19,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:19,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:19,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:19,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:19,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:19,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:19,208 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:19,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:19,208 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:19,209 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:19,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:19,209 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:19,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:19,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:19,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:19,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:19,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:19,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:19,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:19,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:19,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:19,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:19,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:19,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:19,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:19,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:19,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:19,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:19,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:19,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:19,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:19,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:19,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:19,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:19,215 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:19,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:19,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:19,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:19,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:19,227 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_80538c89-830b-49a7-8ade-b92782755f41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 064e28b4ed1e0fa289bf741887467e59793fab1f [2020-11-22 12:58:19,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:19,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:19,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:19,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:19,642 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:19,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-11-22 12:58:19,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/aff64cd48/89327bd19d7441fdab913a22aa0e4fbd/FLAGe45170385 [2020-11-22 12:58:20,248 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:20,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-11-22 12:58:20,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/aff64cd48/89327bd19d7441fdab913a22aa0e4fbd/FLAGe45170385 [2020-11-22 12:58:20,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/data/aff64cd48/89327bd19d7441fdab913a22aa0e4fbd [2020-11-22 12:58:20,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:20,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:20,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:20,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:20,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:20,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:20" (1/1) ... [2020-11-22 12:58:20,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b15ca86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:20, skipping insertion in model container [2020-11-22 12:58:20,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:20" (1/1) ... [2020-11-22 12:58:20,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:20,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:21,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:21,063 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:58:21,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:21,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:21,202 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:21,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:21,333 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:21,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21 WrapperNode [2020-11-22 12:58:21,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:21,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:21,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:21,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:21,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:21,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:21,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:21,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:21,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... [2020-11-22 12:58:21,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:21,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:21,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:21,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:21,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:58:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:23,855 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:23,855 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-22 12:58:23,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:23 BoogieIcfgContainer [2020-11-22 12:58:23,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:23,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:23,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:23,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:23,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:20" (1/3) ... [2020-11-22 12:58:23,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536a966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:23, skipping insertion in model container [2020-11-22 12:58:23,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:21" (2/3) ... [2020-11-22 12:58:23,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536a966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:23, skipping insertion in model container [2020-11-22 12:58:23,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:23" (3/3) ... [2020-11-22 12:58:23,869 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2020-11-22 12:58:23,880 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:23,884 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:58:23,896 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:58:23,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:23,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:23,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:23,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:23,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:23,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:23,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:23,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-11-22 12:58:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:58:23,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:23,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:23,957 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:23,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:23,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1508019772, now seen corresponding path program 1 times [2020-11-22 12:58:23,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:23,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473911190] [2020-11-22 12:58:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:24,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:58:24,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:24,245 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 12:58:24,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:24,257 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 12:58:24,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473911190] [2020-11-22 12:58:24,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:24,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:58:24,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382758015] [2020-11-22 12:58:24,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:58:24,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:24,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:58:24,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:58:24,279 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-11-22 12:58:24,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:24,304 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-22 12:58:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:58:24,305 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:58:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:24,315 INFO L225 Difference]: With dead ends: 135 [2020-11-22 12:58:24,315 INFO L226 Difference]: Without dead ends: 65 [2020-11-22 12:58:24,318 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 12:58:24,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-22 12:58:24,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-22 12:58:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-22 12:58:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-22 12:58:24,357 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-11-22 12:58:24,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:24,358 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-22 12:58:24,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:58:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-11-22 12:58:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:58:24,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:24,359 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 12:58:24,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:58:24,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:24,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash 461262875, now seen corresponding path program 1 times [2020-11-22 12:58:24,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:24,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738980828] [2020-11-22 12:58:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:24,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:24,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:24,796 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 12:58:24,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:24,807 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 12:58:24,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738980828] [2020-11-22 12:58:24,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:24,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:58:24,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627023322] [2020-11-22 12:58:24,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:24,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:24,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:24,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:24,811 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2020-11-22 12:58:24,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:24,828 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-11-22 12:58:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:24,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:58:24,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:24,832 INFO L225 Difference]: With dead ends: 65 [2020-11-22 12:58:24,833 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:58:24,834 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 12:58:24,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:58:24,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:58:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:58:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-22 12:58:24,846 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-11-22 12:58:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:24,847 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-22 12:58:24,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-22 12:58:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:58:24,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:24,849 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 12:58:25,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:58:25,071 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:25,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:25,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-11-22 12:58:25,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:25,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026560508] [2020-11-22 12:58:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:25,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:25,248 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 12:58:25,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:25,269 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 12:58:25,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026560508] [2020-11-22 12:58:25,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:25,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:58:25,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585141994] [2020-11-22 12:58:25,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:25,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:25,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:25,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:25,271 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-22 12:58:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:25,285 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-11-22 12:58:25,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:25,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:58:25,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:25,287 INFO L225 Difference]: With dead ends: 56 [2020-11-22 12:58:25,288 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:58:25,289 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 12:58:25,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:58:25,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:58:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:58:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-11-22 12:58:25,297 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-11-22 12:58:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:25,298 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-11-22 12:58:25,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-11-22 12:58:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:58:25,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:25,300 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 12:58:25,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:58:25,518 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:25,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:25,519 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-11-22 12:58:25,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:25,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853894406] [2020-11-22 12:58:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:25,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:25,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:25,715 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 12:58:25,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:25,729 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 12:58:25,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853894406] [2020-11-22 12:58:25,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:25,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:58:25,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674093807] [2020-11-22 12:58:25,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:25,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:25,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:25,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:25,732 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-11-22 12:58:25,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:25,895 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-11-22 12:58:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:58:25,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 12:58:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:25,903 INFO L225 Difference]: With dead ends: 132 [2020-11-22 12:58:25,903 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 12:58:25,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:58:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 12:58:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-11-22 12:58:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 12:58:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-11-22 12:58:25,922 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-11-22 12:58:25,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:25,922 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-11-22 12:58:25,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-11-22 12:58:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:58:25,925 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:25,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:26,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:58:26,134 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:26,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:26,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2020-11-22 12:58:26,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:26,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619599947] [2020-11-22 12:58:26,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/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 12:58:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:26,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:26,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:26,343 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 12:58:26,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:26,347 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 12:58:26,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619599947] [2020-11-22 12:58:26,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:26,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:58:26,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389777624] [2020-11-22 12:58:26,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:26,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:26,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:26,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:26,349 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-11-22 12:58:26,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:26,440 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-11-22 12:58:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:26,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:58:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:26,441 INFO L225 Difference]: With dead ends: 144 [2020-11-22 12:58:26,441 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:58:26,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:58:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:58:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:58:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:58:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:58:26,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 12:58:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:26,443 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:58:26,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:58:26,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:58:26,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:58:26,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:58:27,112 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L498-2(line 498) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L713-2(lines 741 747) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,113 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:58:27,114 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-11-22 12:58:27,114 INFO L270 CegarLoopResult]: At program point L697-1(lines 697 703) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,114 INFO L270 CegarLoopResult]: At program point L748(lines 748 754) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,114 INFO L270 CegarLoopResult]: At program point L748-1(lines 748 754) the Hoare annotation is: false [2020-11-22 12:58:27,114 INFO L270 CegarLoopResult]: At program point L748-2(lines 748 754) the Hoare annotation is: false [2020-11-22 12:58:27,114 INFO L274 CegarLoopResult]: For program point L649(lines 649 662) no Hoare annotation was computed. [2020-11-22 12:58:27,114 INFO L270 CegarLoopResult]: At program point L649-1(lines 1 882) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,115 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 662) no Hoare annotation was computed. [2020-11-22 12:58:27,115 INFO L270 CegarLoopResult]: At program point L649-3(lines 1 882) the Hoare annotation is: false [2020-11-22 12:58:27,115 INFO L274 CegarLoopResult]: For program point L649-4(lines 649 662) no Hoare annotation was computed. [2020-11-22 12:58:27,115 INFO L270 CegarLoopResult]: At program point L649-5(lines 1 882) the Hoare annotation is: false [2020-11-22 12:58:27,115 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-22 12:58:27,115 INFO L274 CegarLoopResult]: For program point L420-3(lines 420 424) no Hoare annotation was computed. [2020-11-22 12:58:27,115 INFO L274 CegarLoopResult]: For program point L420-6(lines 420 424) no Hoare annotation was computed. [2020-11-22 12:58:27,115 INFO L277 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2020-11-22 12:58:27,115 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,116 INFO L270 CegarLoopResult]: At program point L536(lines 531 539) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,116 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-11-22 12:58:27,116 INFO L270 CegarLoopResult]: At program point L834(lines 827 837) the Hoare annotation is: false [2020-11-22 12:58:27,116 INFO L270 CegarLoopResult]: At program point L834-1(lines 827 837) the Hoare annotation is: false [2020-11-22 12:58:27,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:27,116 INFO L270 CegarLoopResult]: At program point L834-2(lines 827 837) the Hoare annotation is: false [2020-11-22 12:58:27,116 INFO L274 CegarLoopResult]: For program point L653(lines 653 659) no Hoare annotation was computed. [2020-11-22 12:58:27,116 INFO L274 CegarLoopResult]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2020-11-22 12:58:27,116 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-22 12:58:27,117 INFO L274 CegarLoopResult]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2020-11-22 12:58:27,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,117 INFO L274 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-11-22 12:58:27,117 INFO L270 CegarLoopResult]: At program point L687-1(lines 687 693) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,117 INFO L270 CegarLoopResult]: At program point L457(lines 452 460) the Hoare annotation is: false [2020-11-22 12:58:27,117 INFO L270 CegarLoopResult]: At program point L457-1(lines 452 460) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,117 INFO L270 CegarLoopResult]: At program point L457-2(lines 452 460) the Hoare annotation is: false [2020-11-22 12:58:27,117 INFO L270 CegarLoopResult]: At program point L457-3(lines 452 460) the Hoare annotation is: false [2020-11-22 12:58:27,118 INFO L270 CegarLoopResult]: At program point L457-4(lines 452 460) the Hoare annotation is: false [2020-11-22 12:58:27,118 INFO L270 CegarLoopResult]: At program point L457-5(lines 452 460) the Hoare annotation is: false [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point L557-1(lines 741 747) no Hoare annotation was computed. [2020-11-22 12:58:27,118 INFO L270 CegarLoopResult]: At program point L723(lines 676 724) the Hoare annotation is: false [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point L773(lines 773 790) no Hoare annotation was computed. [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point L773-1(lines 773 790) no Hoare annotation was computed. [2020-11-22 12:58:27,118 INFO L274 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-11-22 12:58:27,119 INFO L274 CegarLoopResult]: For program point L773-2(lines 773 790) no Hoare annotation was computed. [2020-11-22 12:58:27,119 INFO L270 CegarLoopResult]: At program point L741(lines 740 759) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,119 INFO L274 CegarLoopResult]: For program point L741-1(lines 741 747) no Hoare annotation was computed. [2020-11-22 12:58:27,119 INFO L270 CegarLoopResult]: At program point L741-2(lines 740 759) the Hoare annotation is: false [2020-11-22 12:58:27,119 INFO L270 CegarLoopResult]: At program point L741-3(lines 740 759) the Hoare annotation is: false [2020-11-22 12:58:27,119 INFO L274 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-11-22 12:58:27,119 INFO L274 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-11-22 12:58:27,119 INFO L277 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2020-11-22 12:58:27,119 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:58:27,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:27,120 INFO L270 CegarLoopResult]: At program point L528(lines 1 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,120 INFO L270 CegarLoopResult]: At program point L843(lines 838 846) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:27,120 INFO L270 CegarLoopResult]: At program point L843-1(lines 838 846) the Hoare annotation is: false [2020-11-22 12:58:27,120 INFO L274 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-11-22 12:58:27,120 INFO L270 CegarLoopResult]: At program point L843-2(lines 838 846) the Hoare annotation is: false [2020-11-22 12:58:27,120 INFO L274 CegarLoopResult]: For program point L777-1(lines 777 785) no Hoare annotation was computed. [2020-11-22 12:58:27,120 INFO L274 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-11-22 12:58:27,132 INFO L274 CegarLoopResult]: For program point L678(lines 677 722) no Hoare annotation was computed. [2020-11-22 12:58:27,132 INFO L274 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-11-22 12:58:27,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:27 BoogieIcfgContainer [2020-11-22 12:58:27,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:27,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:27,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:27,168 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:27,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:23" (3/4) ... [2020-11-22 12:58:27,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:27,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:58:27,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:58:27,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:58:27,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:58:27,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:58:27,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:27,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:27,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:58:27,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_80538c89-830b-49a7-8ade-b92782755f41/bin/utaipan/witness.graphml [2020-11-22 12:58:27,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:27,302 INFO L168 Benchmark]: Toolchain (without parser) took 6711.14 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 38.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,303 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:27,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.79 ms. Allocated memory is still 73.4 MB. Free memory was 57.4 MB in the beginning and 40.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.98 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 37.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,304 INFO L168 Benchmark]: Boogie Preprocessor took 75.36 ms. Allocated memory is still 73.4 MB. Free memory was 37.0 MB in the beginning and 34.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,305 INFO L168 Benchmark]: RCFGBuilder took 2361.61 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 34.9 MB in the beginning and 45.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,305 INFO L168 Benchmark]: TraceAbstraction took 3304.29 ms. Allocated memory is still 92.3 MB. Free memory was 45.0 MB in the beginning and 44.5 MB in the end (delta: 466.4 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,306 INFO L168 Benchmark]: Witness Printer took 127.92 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 38.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 740.79 ms. Allocated memory is still 73.4 MB. Free memory was 57.4 MB in the beginning and 40.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.98 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 37.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.36 ms. Allocated memory is still 73.4 MB. Free memory was 37.0 MB in the beginning and 34.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2361.61 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 34.9 MB in the beginning and 45.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3304.29 ms. Allocated memory is still 92.3 MB. Free memory was 45.0 MB in the beginning and 44.5 MB in the end (delta: 466.4 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 127.92 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 38.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 314 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1170 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 30 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...