./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 13018d05e5180308d22b24564c440286d54746ad ............................................................................................................................................ 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_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 13018d05e5180308d22b24564c440286d54746ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:04:24,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:04:24,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:04:24,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:04:24,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:04:24,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:04:24,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:04:24,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:04:24,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:04:24,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:04:24,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:04:24,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:04:24,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:04:24,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:04:24,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:04:24,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:04:24,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:04:24,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:04:24,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:04:24,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:04:24,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:04:24,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:04:24,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:04:24,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:04:24,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:04:24,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:04:24,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:04:24,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:04:24,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:04:24,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:04:24,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:04:24,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:04:24,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:04:24,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:04:24,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:04:24,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:04:24,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:04:24,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:04:24,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:04:24,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:04:24,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:04:24,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 11:04:24,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:04:24,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:04:24,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:04:24,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:04:24,172 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:04:24,173 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:04:24,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:04:24,173 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:04:24,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:04:24,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:04:24,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:04:24,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:04:24,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:04:24,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:04:24,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:04:24,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:04:24,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:04:24,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:04:24,176 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_967d1222-54ee-43d6-b911-438b0f2cd8ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2020-12-09 11:04:24,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:04:24,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:04:24,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:04:24,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:04:24,367 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:04:24,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-09 11:04:24,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/8da522ad6/46d7cb6f35e54f6a8a0a966709cb79bb/FLAG4c41199f1 [2020-12-09 11:04:24,787 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:04:24,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-09 11:04:24,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/8da522ad6/46d7cb6f35e54f6a8a0a966709cb79bb/FLAG4c41199f1 [2020-12-09 11:04:24,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/8da522ad6/46d7cb6f35e54f6a8a0a966709cb79bb [2020-12-09 11:04:24,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:04:24,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:04:24,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:04:24,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:04:24,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:04:24,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:04:24" (1/1) ... [2020-12-09 11:04:24,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a57097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:24, skipping insertion in model container [2020-12-09 11:04:24,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:04:24" (1/1) ... [2020-12-09 11:04:24,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:04:24,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:04:25,021 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-09 11:04:25,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:04:25,081 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) [2020-12-09 11:04:25,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a8a3215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:25, skipping insertion in model container [2020-12-09 11:04:25,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:04:25,082 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 11:04:25,083 INFO L168 Benchmark]: Toolchain (without parser) took 271.32 ms. Allocated memory is still 98.6 MB. Free memory was 57.2 MB in the beginning and 68.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:25,084 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory is still 74.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:04:25,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.12 ms. Allocated memory is still 98.6 MB. Free memory was 57.0 MB in the beginning and 68.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:25,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory is still 74.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 269.12 ms. Allocated memory is still 98.6 MB. Free memory was 57.0 MB in the beginning and 68.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 505]: 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 0.2.0-7b2dab5 [2020-12-09 11:04:26,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:04:26,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:04:26,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:04:26,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:04:26,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:04:26,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:04:26,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:04:26,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:04:26,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:04:26,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:04:26,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:04:26,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:04:26,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:04:26,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:04:26,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:04:26,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:04:26,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:04:26,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:04:26,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:04:26,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:04:26,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:04:26,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:04:26,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:04:26,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:04:26,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:04:26,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:04:26,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:04:26,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:04:26,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:04:26,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:04:26,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:04:26,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:04:26,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:04:26,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:04:26,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:04:26,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:04:26,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:04:26,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:04:26,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:04:26,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:04:26,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 11:04:26,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:04:26,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:04:26,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:04:26,582 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:04:26,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:04:26,583 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:04:26,583 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:04:26,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:04:26,583 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:04:26,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:04:26,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:04:26,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:04:26,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 11:04:26,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 11:04:26,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:04:26,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:04:26,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:04:26,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:04:26,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:04:26,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 11:04:26,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:04:26,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:04:26,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:04:26,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:04:26,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:04:26,589 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_967d1222-54ee-43d6-b911-438b0f2cd8ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2020-12-09 11:04:26,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:04:26,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:04:26,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:04:26,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:04:26,858 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:04:26,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-09 11:04:26,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/939005e0f/7821b7dd57924763bf3ecbe933e4c5b6/FLAG9dfb9296d [2020-12-09 11:04:27,319 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:04:27,320 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-12-09 11:04:27,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/939005e0f/7821b7dd57924763bf3ecbe933e4c5b6/FLAG9dfb9296d [2020-12-09 11:04:27,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/data/939005e0f/7821b7dd57924763bf3ecbe933e4c5b6 [2020-12-09 11:04:27,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:04:27,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:04:27,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:04:27,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:04:27,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:04:27,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da73c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27, skipping insertion in model container [2020-12-09 11:04:27,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:04:27,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:04:27,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-09 11:04:27,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:04:27,614 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 11:04:27,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:04:27,648 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-09 11:04:27,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:04:27,672 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:04:27,695 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[6722,6735] [2020-12-09 11:04:27,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:04:27,730 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:04:27,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27 WrapperNode [2020-12-09 11:04:27,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:04:27,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:04:27,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:04:27,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:04:27,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:04:27,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:04:27,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:04:27,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:04:27,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... [2020-12-09 11:04:27,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:04:27,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:04:27,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:04:27,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:04:27,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 [2020-12-09 11:04:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:04:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 11:04:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:04:27,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:04:29,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:04:29,418 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2020-12-09 11:04:29,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:04:29 BoogieIcfgContainer [2020-12-09 11:04:29,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:04:29,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:04:29,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:04:29,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:04:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:04:27" (1/3) ... [2020-12-09 11:04:29,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a932c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:04:29, skipping insertion in model container [2020-12-09 11:04:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:04:27" (2/3) ... [2020-12-09 11:04:29,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a932c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:04:29, skipping insertion in model container [2020-12-09 11:04:29,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:04:29" (3/3) ... [2020-12-09 11:04:29,428 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-12-09 11:04:29,441 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:04:29,445 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 11:04:29,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 11:04:29,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:04:29,471 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:04:29,471 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:04:29,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:04:29,471 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:04:29,471 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:04:29,471 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:04:29,472 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:04:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-12-09 11:04:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 11:04:29,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:04:29,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:04:29,485 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:04:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:04:29,489 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2020-12-09 11:04:29,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:04:29,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560654182] [2020-12-09 11:04:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 [2020-12-09 11:04:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:04:29,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 11:04:29,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:04:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:04:29,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:04:29,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560654182] [2020-12-09 11:04:29,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:04:29,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:04:29,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187389324] [2020-12-09 11:04:29,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 11:04:29,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:04:29,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 11:04:29,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:04:29,718 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-12-09 11:04:29,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:04:29,735 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-12-09 11:04:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 11:04:29,736 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 11:04:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:04:29,745 INFO L225 Difference]: With dead ends: 108 [2020-12-09 11:04:29,745 INFO L226 Difference]: Without dead ends: 53 [2020-12-09 11:04:29,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:04:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-09 11:04:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-09 11:04:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-09 11:04:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-09 11:04:29,773 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-09 11:04:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:04:29,773 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-09 11:04:29,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 11:04:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-09 11:04:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 11:04:29,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:04:29,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:04:29,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 11:04:29,975 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:04:29,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:04:29,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2020-12-09 11:04:29,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:04:29,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383857751] [2020-12-09 11:04:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 [2020-12-09 11:04:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:04:30,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 11:04:30,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:04:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:04:30,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:04:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383857751] [2020-12-09 11:04:30,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:04:30,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 11:04:30,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214083388] [2020-12-09 11:04:30,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 11:04:30,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:04:30,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 11:04:30,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:04:30,134 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-09 11:04:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:04:30,141 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-09 11:04:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 11:04:30,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 11:04:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:04:30,142 INFO L225 Difference]: With dead ends: 53 [2020-12-09 11:04:30,142 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 11:04:30,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 11:04:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 11:04:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 11:04:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 11:04:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-09 11:04:30,146 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-09 11:04:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:04:30,146 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-09 11:04:30,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 11:04:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-09 11:04:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 11:04:30,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:04:30,147 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] [2020-12-09 11:04:30,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 11:04:30,348 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:04:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:04:30,348 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-12-09 11:04:30,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:04:30,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861758914] [2020-12-09 11:04:30,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 [2020-12-09 11:04:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:04:30,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 11:04:30,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:04:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:04:30,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:04:30,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861758914] [2020-12-09 11:04:30,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:04:30,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 11:04:30,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938907240] [2020-12-09 11:04:30,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:04:30,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:04:30,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:04:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 11:04:30,497 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-12-09 11:04:30,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:04:30,577 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-12-09 11:04:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 11:04:30,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-09 11:04:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:04:30,579 INFO L225 Difference]: With dead ends: 109 [2020-12-09 11:04:30,579 INFO L226 Difference]: Without dead ends: 88 [2020-12-09 11:04:30,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 11:04:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-09 11:04:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-12-09 11:04:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-09 11:04:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-12-09 11:04:30,590 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-12-09 11:04:30,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:04:30,590 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-12-09 11:04:30,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:04:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-12-09 11:04:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 11:04:30,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:04:30,591 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] [2020-12-09 11:04:30,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 11:04:30,793 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:04:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:04:30,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-12-09 11:04:30,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:04:30,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981129157] [2020-12-09 11:04:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/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 [2020-12-09 11:04:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:04:30,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 11:04:30,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:04:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:04:31,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:04:31,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981129157] [2020-12-09 11:04:31,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:04:31,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 11:04:31,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336362656] [2020-12-09 11:04:31,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:04:31,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:04:31,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:04:31,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 11:04:31,015 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-12-09 11:04:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:04:31,081 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-12-09 11:04:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 11:04:31,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 11:04:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:04:31,081 INFO L225 Difference]: With dead ends: 130 [2020-12-09 11:04:31,082 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 11:04:31,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 11:04:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 11:04:31,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 11:04:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 11:04:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 11:04:31,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-09 11:04:31,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:04:31,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 11:04:31,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:04:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 11:04:31,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 11:04:31,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 11:04:31,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 11:04:31,451 INFO L258 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,451 INFO L258 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-12-09 11:04:31,451 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,451 INFO L258 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-12-09 11:04:31,452 INFO L258 CegarLoopResult]: At program point L432(lines 385 433) the Hoare annotation is: false [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point L450(lines 450 463) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L258 CegarLoopResult]: At program point L450-1(lines 1 841) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point L450-2(lines 450 463) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L258 CegarLoopResult]: At program point L450-3(lines 1 841) the Hoare annotation is: false [2020-12-09 11:04:31,452 INFO L262 CegarLoopResult]: For program point L450-4(lines 450 463) no Hoare annotation was computed. [2020-12-09 11:04:31,452 INFO L258 CegarLoopResult]: At program point L450-5(lines 1 841) the Hoare annotation is: false [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L252(lines 1 841) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L335(lines 330 338) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2020-12-09 11:04:31,453 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-09 11:04:31,453 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-12-09 11:04:31,453 INFO L262 CegarLoopResult]: For program point L387(lines 386 431) no Hoare annotation was computed. [2020-12-09 11:04:31,453 INFO L262 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-12-09 11:04:31,453 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-12-09 11:04:31,453 INFO L262 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L454(lines 454 460) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L454-2(lines 454 460) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L454-4(lines 454 460) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L58-1(lines 276 282) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-12-09 11:04:31,454 INFO L262 CegarLoopResult]: For program point L422-2(lines 276 282) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point L472-2(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,455 INFO L258 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,455 INFO L258 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,455 INFO L258 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2020-12-09 11:04:31,455 INFO L258 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2020-12-09 11:04:31,455 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 11:04:31,456 INFO L258 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,456 INFO L262 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-12-09 11:04:31,456 INFO L258 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-12-09 11:04:31,456 INFO L258 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-12-09 11:04:31,456 INFO L258 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2020-12-09 11:04:31,456 INFO L262 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-12-09 11:04:31,456 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 11:04:31,456 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-12-09 11:04:31,456 INFO L262 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-12-09 11:04:31,457 INFO L258 CegarLoopResult]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 11:04:31,457 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-09 11:04:31,457 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-09 11:04:31,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:04:31 BoogieIcfgContainer [2020-12-09 11:04:31,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:04:31,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:04:31,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:04:31,471 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:04:31,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:04:29" (3/4) ... [2020-12-09 11:04:31,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 11:04:31,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-09 11:04:31,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 11:04:31,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 11:04:31,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 11:04:31,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 11:04:31,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:04:31,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:04:31,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-12-09 11:04:31,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_967d1222-54ee-43d6-b911-438b0f2cd8ad/bin/utaipan/witness.graphml [2020-12-09 11:04:31,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:04:31,544 INFO L168 Benchmark]: Toolchain (without parser) took 4202.37 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 41.8 MB in the beginning and 44.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,544 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:04:31,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.78 ms. Allocated memory is still 60.8 MB. Free memory was 41.6 MB in the beginning and 30.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 60.8 MB. Free memory was 30.3 MB in the beginning and 27.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,545 INFO L168 Benchmark]: Boogie Preprocessor took 30.19 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 27.8 MB in the beginning and 58.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,545 INFO L168 Benchmark]: RCFGBuilder took 1619.66 ms. Allocated memory is still 75.5 MB. Free memory was 58.4 MB in the beginning and 49.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,546 INFO L168 Benchmark]: TraceAbstraction took 2048.91 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 49.0 MB in the beginning and 49.3 MB in the end (delta: -314.8 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,546 INFO L168 Benchmark]: Witness Printer took 71.75 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 44.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:04:31,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.78 ms. Allocated memory is still 60.8 MB. Free memory was 41.6 MB in the beginning and 30.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 60.8 MB. Free memory was 30.3 MB in the beginning and 27.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.19 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 27.8 MB in the beginning and 58.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1619.66 ms. Allocated memory is still 75.5 MB. Free memory was 58.4 MB in the beginning and 49.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2048.91 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 49.0 MB in the beginning and 49.3 MB in the end (delta: -314.8 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 71.75 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 44.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 228 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2490 SizeOfPredicates, 7 NumberOfNonLiveVariables, 775 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...