./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI --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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI --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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:33:03,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:33:03,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:33:03,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:33:03,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:33:03,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:33:03,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:33:03,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:33:03,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:33:03,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:33:03,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:33:03,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:33:03,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:33:03,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:33:03,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:33:03,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:33:03,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:33:03,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:33:03,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:33:03,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:33:03,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:33:03,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:33:03,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:33:03,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:33:03,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:33:03,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:33:03,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:33:03,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:33:03,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:33:03,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:33:03,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:33:03,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:33:03,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:33:03,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:33:03,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:33:03,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:33:03,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:33:03,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:33:03,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:33:03,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:33:03,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:33:03,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:33:03,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:33:03,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:33:03,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:33:03,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:33:03,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:33:03,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:33:03,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:33:03,180 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:33:03,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:33:03,180 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:33:03,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:33:03,181 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:33:03,181 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:33:03,182 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:33:03,182 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:33:03,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:33:03,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:33:03,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:33:03,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:33:03,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:33:03,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:33:03,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:33:03,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:33:03,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:33:03,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:33:03,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:33:03,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:33:03,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:33:03,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:33:03,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:33:03,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:33:03,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:33:03,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:33:03,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:33:03,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:33:03,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:33:03,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:33:03,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:33:03,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:33:03,189 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_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2021-10-11 02:33:03,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:33:03,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:33:03,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:33:03,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:33:03,548 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:33:03,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-11 02:33:03,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/c54e0d733/5afb2e9b9cbf4fec9cc5ed4f448294bb/FLAGebc343dc9 [2021-10-11 02:33:04,246 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:33:04,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-11 02:33:04,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/c54e0d733/5afb2e9b9cbf4fec9cc5ed4f448294bb/FLAGebc343dc9 [2021-10-11 02:33:04,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/c54e0d733/5afb2e9b9cbf4fec9cc5ed4f448294bb [2021-10-11 02:33:04,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:33:04,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:33:04,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:04,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:33:04,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:33:04,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:04" (1/1) ... [2021-10-11 02:33:04,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79de2ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:04, skipping insertion in model container [2021-10-11 02:33:04,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:04" (1/1) ... [2021-10-11 02:33:04,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:33:04,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:04,878 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1281,1294] [2021-10-11 02:33:05,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:05,125 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) [2021-10-11 02:33:05,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75a33a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:05, skipping insertion in model container [2021-10-11 02:33:05,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:05,133 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:33:05,135 INFO L168 Benchmark]: Toolchain (without parser) took 556.55 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 62.8 MB in the beginning and 93.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:05,136 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:33:05,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.21 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 62.6 MB in the beginning and 93.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:05,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 550.21 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 62.6 MB in the beginning and 93.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:33:07,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:33:07,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:33:07,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:33:07,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:33:07,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:33:07,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:33:07,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:33:07,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:33:07,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:33:07,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:33:07,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:33:07,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:33:07,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:33:07,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:33:07,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:33:07,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:33:07,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:33:07,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:33:07,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:33:07,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:33:07,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:33:07,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:33:07,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:33:07,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:33:07,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:33:07,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:33:07,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:33:07,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:33:07,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:33:07,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:33:07,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:33:08,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:33:08,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:33:08,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:33:08,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:33:08,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:33:08,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:33:08,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:33:08,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:33:08,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:33:08,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:33:08,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:33:08,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:33:08,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:33:08,068 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:33:08,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:33:08,087 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:33:08,087 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:33:08,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:33:08,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:33:08,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:33:08,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:33:08,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:33:08,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:33:08,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:33:08,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:33:08,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:33:08,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:33:08,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:33:08,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:33:08,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:33:08,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:33:08,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:33:08,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:33:08,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:33:08,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:33:08,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:33:08,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:33:08,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:33:08,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:33:08,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:33:08,096 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:33:08,096 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:08,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:33:08,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:33:08,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:33:08,098 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_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2021-10-11 02:33:08,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:33:08,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:33:08,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:33:08,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:33:08,590 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:33:08,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-11 02:33:08,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/8962f03fb/302d1c87f7ca43aaa2ae5d460c43cd91/FLAGbcb67309e [2021-10-11 02:33:09,442 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:33:09,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-11 02:33:09,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/8962f03fb/302d1c87f7ca43aaa2ae5d460c43cd91/FLAGbcb67309e [2021-10-11 02:33:09,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/data/8962f03fb/302d1c87f7ca43aaa2ae5d460c43cd91 [2021-10-11 02:33:09,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:33:09,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:33:09,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:09,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:33:09,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:33:09,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e66bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09, skipping insertion in model container [2021-10-11 02:33:09,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:33:09,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:09,963 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1281,1294] [2021-10-11 02:33:10,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:10,226 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:33:10,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:10,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1281,1294] [2021-10-11 02:33:10,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:10,416 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:33:10,436 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1281,1294] [2021-10-11 02:33:10,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:10,553 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:33:10,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10 WrapperNode [2021-10-11 02:33:10,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:10,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:33:10,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:33:10,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:33:10,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:33:10,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:33:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:33:10,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:33:10,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... [2021-10-11 02:33:10,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:33:10,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:33:10,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:33:10,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:33:10,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:33:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:33:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:33:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:33:13,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:33:13,196 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:33:13,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:13 BoogieIcfgContainer [2021-10-11 02:33:13,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:33:13,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:33:13,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:33:13,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:33:13,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:33:09" (1/3) ... [2021-10-11 02:33:13,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28efc573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:33:13, skipping insertion in model container [2021-10-11 02:33:13,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:10" (2/3) ... [2021-10-11 02:33:13,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28efc573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:33:13, skipping insertion in model container [2021-10-11 02:33:13,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:13" (3/3) ... [2021-10-11 02:33:13,210 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2021-10-11 02:33:13,224 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:33:13,228 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:33:13,238 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:33:13,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:33:13,265 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:33:13,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:33:13,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:33:13,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:33:13,266 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:33:13,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:33:13,266 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:33:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 02:33:13,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:33:13,287 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:13,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:13,288 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:13,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-11 02:33:13,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:13,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466344374] [2021-10-11 02:33:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:13,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:33:13,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:13,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:13,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466344374] [2021-10-11 02:33:13,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:13,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:33:13,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135082360] [2021-10-11 02:33:13,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:33:13,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:13,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:33:13,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:33:13,619 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 02:33:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:13,646 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 02:33:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:33:13,647 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:33:13,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:13,658 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:33:13,658 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:33:13,661 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 [2021-10-11 02:33:13,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:33:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:33:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:33:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:33:13,703 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 02:33:13,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:13,704 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:33:13,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:33:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:33:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:33:13,706 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:13,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:13,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:33:13,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-11 02:33:13,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:13,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280256773] [2021-10-11 02:33:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:14,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:14,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:14,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:14,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280256773] [2021-10-11 02:33:14,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:14,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:14,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009426051] [2021-10-11 02:33:14,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:14,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:14,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:14,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:14,142 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 02:33:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:14,166 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 02:33:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:14,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:33:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:14,170 INFO L225 Difference]: With dead ends: 73 [2021-10-11 02:33:14,170 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:33:14,173 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 [2021-10-11 02:33:14,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:33:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:33:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:33:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:33:14,185 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 02:33:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:14,189 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:33:14,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:33:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:33:14,192 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:14,192 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] [2021-10-11 02:33:14,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,405 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:14,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:14,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-11 02:33:14,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:14,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720148240] [2021-10-11 02:33:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:14,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:14,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:14,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:14,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720148240] [2021-10-11 02:33:14,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:14,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:14,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444755630] [2021-10-11 02:33:14,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:14,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:14,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:14,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:14,676 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:33:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:14,736 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 02:33:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:14,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:33:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:14,738 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:33:14,739 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 02:33:14,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:14,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 02:33:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 02:33:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:33:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 02:33:14,759 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2021-10-11 02:33:14,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:14,759 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 02:33:14,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 02:33:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:33:14,760 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:14,760 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] [2021-10-11 02:33:14,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,961 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:14,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:14,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-11 02:33:14,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:14,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874228815] [2021-10-11 02:33:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:15,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:15,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:15,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:15,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874228815] [2021-10-11 02:33:15,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:15,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:33:15,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749144666] [2021-10-11 02:33:15,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:15,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:15,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:15,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:15,237 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2021-10-11 02:33:15,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:15,381 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2021-10-11 02:33:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:33:15,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:33:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:15,392 INFO L225 Difference]: With dead ends: 298 [2021-10-11 02:33:15,392 INFO L226 Difference]: Without dead ends: 244 [2021-10-11 02:33:15,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:33:15,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-11 02:33:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2021-10-11 02:33:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 02:33:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2021-10-11 02:33:15,421 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2021-10-11 02:33:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:15,422 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2021-10-11 02:33:15,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2021-10-11 02:33:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:33:15,423 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:15,423 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] [2021-10-11 02:33:15,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:33:15,639 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:15,640 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-10-11 02:33:15,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:15,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117089985] [2021-10-11 02:33:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:33:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:15,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:15,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:15,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:15,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117089985] [2021-10-11 02:33:15,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:15,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:33:15,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451940868] [2021-10-11 02:33:15,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:15,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:15,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:15,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:15,870 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2021-10-11 02:33:16,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:16,010 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2021-10-11 02:33:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:33:16,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:33:16,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:16,011 INFO L225 Difference]: With dead ends: 304 [2021-10-11 02:33:16,011 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:33:16,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:33:16,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:33:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:33:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:33:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:33:16,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:33:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:16,024 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:33:16,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:33:16,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:33:16,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:33:16,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:33:16,667 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L630(lines 630 647) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L630-1(lines 630 647) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L630-2(lines 630 647) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2021-10-11 02:33:16,668 INFO L258 CegarLoopResult]: At program point L598(lines 597 616) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,668 INFO L262 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2021-10-11 02:33:16,669 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L565-1(lines 598 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L598-2(lines 597 616) the Hoare annotation is: false [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L598-3(lines 597 616) the Hoare annotation is: false [2021-10-11 02:33:16,669 INFO L262 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:33:16,669 INFO L262 CegarLoopResult]: For program point L863-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:33:16,669 INFO L262 CegarLoopResult]: For program point L764(lines 764 770) no Hoare annotation was computed. [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L764-1(lines 764 770) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,669 INFO L258 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2021-10-11 02:33:16,670 INFO L258 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2021-10-11 02:33:16,670 INFO L262 CegarLoopResult]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-10-11 02:33:16,670 INFO L265 CegarLoopResult]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2021-10-11 02:33:16,672 INFO L262 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2021-10-11 02:33:16,672 INFO L262 CegarLoopResult]: For program point L634-1(lines 634 642) no Hoare annotation was computed. [2021-10-11 02:33:16,673 INFO L262 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2021-10-11 02:33:16,674 INFO L262 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,674 INFO L262 CegarLoopResult]: For program point L750-2(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,674 INFO L262 CegarLoopResult]: For program point L750-3(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,674 INFO L262 CegarLoopResult]: For program point L750-5(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,674 INFO L262 CegarLoopResult]: For program point L750-6(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,675 INFO L262 CegarLoopResult]: For program point L750-8(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:33:16,676 INFO L258 CegarLoopResult]: At program point L701(lines 696 704) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,676 INFO L258 CegarLoopResult]: At program point L701-1(lines 696 704) the Hoare annotation is: false [2021-10-11 02:33:16,677 INFO L258 CegarLoopResult]: At program point L701-2(lines 696 704) the Hoare annotation is: false [2021-10-11 02:33:16,677 INFO L262 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:33:16,677 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:33:16,677 INFO L262 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2021-10-11 02:33:16,677 INFO L258 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,677 INFO L258 CegarLoopResult]: At program point L835(lines 1 942) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:16,678 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,678 INFO L258 CegarLoopResult]: At program point L605(lines 605 611) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,678 INFO L258 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: false [2021-10-11 02:33:16,678 INFO L258 CegarLoopResult]: At program point L605-2(lines 605 611) the Hoare annotation is: false [2021-10-11 02:33:16,678 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:33:16,678 INFO L262 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2021-10-11 02:33:16,678 INFO L258 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2021-10-11 02:33:16,679 INFO L258 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2021-10-11 02:33:16,679 INFO L262 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-11 02:33:16,679 INFO L258 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2021-10-11 02:33:16,679 INFO L258 CegarLoopResult]: At program point L756(lines 741 759) the Hoare annotation is: false [2021-10-11 02:33:16,679 INFO L258 CegarLoopResult]: At program point L756-1(lines 741 759) the Hoare annotation is: false [2021-10-11 02:33:16,679 INFO L258 CegarLoopResult]: At program point L756-2(lines 741 759) the Hoare annotation is: false [2021-10-11 02:33:16,680 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,680 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,680 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,680 INFO L265 CegarLoopResult]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-10-11 02:33:16,680 INFO L258 CegarLoopResult]: At program point L907(lines 903 909) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:16,681 INFO L258 CegarLoopResult]: At program point L577(lines 526 578) the Hoare annotation is: false [2021-10-11 02:33:16,681 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:33:16,681 INFO L262 CegarLoopResult]: For program point L792(lines 792 805) no Hoare annotation was computed. [2021-10-11 02:33:16,681 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:33:16,681 INFO L258 CegarLoopResult]: At program point L792-1(lines 1 942) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,681 INFO L262 CegarLoopResult]: For program point L792-2(lines 792 805) no Hoare annotation was computed. [2021-10-11 02:33:16,682 INFO L258 CegarLoopResult]: At program point L792-3(lines 1 942) the Hoare annotation is: false [2021-10-11 02:33:16,682 INFO L262 CegarLoopResult]: For program point L792-4(lines 792 805) no Hoare annotation was computed. [2021-10-11 02:33:16,682 INFO L258 CegarLoopResult]: At program point L792-5(lines 1 942) the Hoare annotation is: false [2021-10-11 02:33:16,682 INFO L262 CegarLoopResult]: For program point L528(lines 527 576) no Hoare annotation was computed. [2021-10-11 02:33:16,682 INFO L258 CegarLoopResult]: At program point L859-2(lines 859 873) the Hoare annotation is: false [2021-10-11 02:33:16,682 INFO L262 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-10-11 02:33:16,683 INFO L262 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:33:16,684 INFO L258 CegarLoopResult]: At program point L843(lines 838 846) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:16,684 INFO L262 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:33:16,684 INFO L262 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:33:16,684 INFO L262 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2021-10-11 02:33:16,684 INFO L262 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2021-10-11 02:33:16,684 INFO L258 CegarLoopResult]: At program point L547-1(lines 547 553) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:33:16,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:33:16 BoogieIcfgContainer [2021-10-11 02:33:16,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:33:16,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:33:16,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:33:16,715 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:33:16,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:13" (3/4) ... [2021-10-11 02:33:16,718 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:33:16,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:33:16,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:33:16,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:33:16,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:33:16,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:33:16,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:33:16,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:33:16,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:33:16,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f234e2c-b4e9-48fa-9cbe-bd5a6d7dfb59/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:33:16,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:33:16,847 INFO L168 Benchmark]: Toolchain (without parser) took 7122.19 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 28.2 MB in the beginning and 28.9 MB in the end (delta: -682.2 kB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,847 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:33:16,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.23 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.1 MB in the beginning and 35.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.36 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 48.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,849 INFO L168 Benchmark]: Boogie Preprocessor took 92.41 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 45.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,850 INFO L168 Benchmark]: RCFGBuilder took 2439.99 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.8 MB in the beginning and 51.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,850 INFO L168 Benchmark]: TraceAbstraction took 3509.90 ms. Allocated memory is still 81.8 MB. Free memory was 51.5 MB in the beginning and 35.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,850 INFO L168 Benchmark]: Witness Printer took 132.31 ms. Allocated memory is still 81.8 MB. Free memory was 35.2 MB in the beginning and 28.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:16,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.23 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.1 MB in the beginning and 35.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.36 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 48.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.41 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 45.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2439.99 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.8 MB in the beginning and 51.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3509.90 ms. Allocated memory is still 81.8 MB. Free memory was 51.5 MB in the beginning and 35.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 132.31 ms. Allocated memory is still 81.8 MB. Free memory was 35.2 MB in the beginning and 28.9 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 366 SDslu, 333 SDs, 0 SdLazy, 47 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3325 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...