./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.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_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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_c5989a80-3e9e-4635-b591-dfcc335b8140/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 09f621cb1974882ea9a195d7c88f0bd8b41755c2 ............................................................................................................................................ 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_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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_c5989a80-3e9e-4635-b591-dfcc335b8140/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 09f621cb1974882ea9a195d7c88f0bd8b41755c2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:20,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:20,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:20,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:20,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:20,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:20,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:20,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:20,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:20,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:20,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:20,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:20,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:20,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:20,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:20,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:20,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:20,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:20,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:20,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:20,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:20,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:20,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:20,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:20,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:20,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:20,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:20,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:20,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:20,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:20,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:20,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:20,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:20,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:20,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:20,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:20,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:20,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:20,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:20,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:20,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:20,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:20,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:20,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:20,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:20,709 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:20,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:20,710 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:20,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:20,710 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:20,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:20,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:20,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:20,712 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:20,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:20,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:20,713 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:20,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:20,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:20,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:20,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:20,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:20,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:20,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:20,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:20,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:20,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:20,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:20,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:20,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:20,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:20,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:20,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:20,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:20,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:20,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:20,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:20,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:20,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:20,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:20,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:20,721 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_c5989a80-3e9e-4635-b591-dfcc335b8140/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09f621cb1974882ea9a195d7c88f0bd8b41755c2 [2021-10-11 02:20:21,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:21,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:21,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:21,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:21,071 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:21,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-11 02:20:21,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/f6e0563dc/8ff127fab1344a15bb4772f7b6b0896c/FLAG8098ad5a1 [2021-10-11 02:20:21,788 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:21,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-11 02:20:21,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/f6e0563dc/8ff127fab1344a15bb4772f7b6b0896c/FLAG8098ad5a1 [2021-10-11 02:20:22,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/f6e0563dc/8ff127fab1344a15bb4772f7b6b0896c [2021-10-11 02:20:22,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:22,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:22,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:22,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:22,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:22,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:22" (1/1) ... [2021-10-11 02:20:22,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b5a7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:22, skipping insertion in model container [2021-10-11 02:20:22,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:22" (1/1) ... [2021-10-11 02:20:22,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:22,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:22,405 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_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1281,1294] [2021-10-11 02:20:22,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:22,640 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 02:20:22,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4236deca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:22, skipping insertion in model container [2021-10-11 02:20:22,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:22,641 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:22,644 INFO L168 Benchmark]: Toolchain (without parser) took 545.98 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 71.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:22,645 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:22,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.79 ms. Allocated memory is still 98.6 MB. Free memory was 68.0 MB in the beginning and 71.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:22,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.79 ms. Allocated memory is still 98.6 MB. Free memory was 68.0 MB in the beginning and 71.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: 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 02:20:25,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:25,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:25,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:25,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:25,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:25,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:25,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:25,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:25,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:25,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:25,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:25,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:25,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:25,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:25,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:25,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:25,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:25,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:25,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:25,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:25,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:25,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:25,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:25,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:25,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:25,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:25,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:25,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:25,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:25,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:25,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:25,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:25,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:25,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:25,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:25,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:25,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:25,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:25,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:25,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:25,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:25,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:25,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:25,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:25,821 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:25,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:25,822 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:25,822 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:25,823 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:25,823 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:25,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:25,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:25,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:25,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:25,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:25,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:25,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:25,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:25,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:25,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:25,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:25,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:25,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:25,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:25,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:25,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:25,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:25,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:25,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:25,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:25,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:25,834 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:25,834 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:25,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:25,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:25,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:25,835 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_c5989a80-3e9e-4635-b591-dfcc335b8140/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09f621cb1974882ea9a195d7c88f0bd8b41755c2 [2021-10-11 02:20:26,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:26,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:26,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:26,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:26,378 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:26,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-11 02:20:26,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/772db6cba/4e13b5fc5f6e4b3284213e227183bc3a/FLAGf47c559fd [2021-10-11 02:20:27,223 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:27,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-11 02:20:27,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/772db6cba/4e13b5fc5f6e4b3284213e227183bc3a/FLAGf47c559fd [2021-10-11 02:20:27,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/data/772db6cba/4e13b5fc5f6e4b3284213e227183bc3a [2021-10-11 02:20:27,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:27,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:27,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:27,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:27,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:27,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:27" (1/1) ... [2021-10-11 02:20:27,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6656aafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:27, skipping insertion in model container [2021-10-11 02:20:27,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:27" (1/1) ... [2021-10-11 02:20:27,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:27,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:27,798 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_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1281,1294] [2021-10-11 02:20:28,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:28,059 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:28,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:28,076 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_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1281,1294] [2021-10-11 02:20:28,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:28,201 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:28,232 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_c5989a80-3e9e-4635-b591-dfcc335b8140/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1281,1294] [2021-10-11 02:20:28,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:28,370 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:28,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28 WrapperNode [2021-10-11 02:20:28,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:28,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:28,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:28,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:28,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:28,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:28,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:28,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:28,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... [2021-10-11 02:20:28,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:28,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:28,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:28,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:28,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:31,506 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:31,523 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-10-11 02:20:31,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:31 BoogieIcfgContainer [2021-10-11 02:20:31,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:31,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:31,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:31,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:31,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:27" (1/3) ... [2021-10-11 02:20:31,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8fa61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:31, skipping insertion in model container [2021-10-11 02:20:31,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:28" (2/3) ... [2021-10-11 02:20:31,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8fa61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:31, skipping insertion in model container [2021-10-11 02:20:31,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:31" (3/3) ... [2021-10-11 02:20:31,535 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2021-10-11 02:20:31,551 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:31,555 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:31,568 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:31,600 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:31,600 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:31,600 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:31,600 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:31,600 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:31,601 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:31,601 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:31,601 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 02:20:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:20:31,627 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:31,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:31,628 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:31,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:31,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2021-10-11 02:20:31,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:31,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637490174] [2021-10-11 02:20:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:31,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:31,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:31,974 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 02:20:31,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:31,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637490174] [2021-10-11 02:20:31,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:31,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:31,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258367589] [2021-10-11 02:20:31,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:31,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:31,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:31,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:32,001 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 02:20:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:32,033 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 02:20:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:32,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:20:32,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:32,048 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:20:32,048 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:20:32,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:20:32,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:20:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:20:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:20:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:20:32,103 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-11 02:20:32,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:32,103 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:20:32,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:20:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:20:32,105 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:32,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:32,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:32,324 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:32,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2021-10-11 02:20:32,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:32,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34658306] [2021-10-11 02:20:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:32,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:32,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:32,639 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 02:20:32,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:32,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34658306] [2021-10-11 02:20:32,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:32,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:32,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516656805] [2021-10-11 02:20:32,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:32,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:32,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:32,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:32,644 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 02:20:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:32,658 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 02:20:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:32,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:20:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:32,660 INFO L225 Difference]: With dead ends: 73 [2021-10-11 02:20:32,660 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:20:32,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:20:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:20:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:20:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:20:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:20:32,669 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:20:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:32,670 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:20:32,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:20:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:32,672 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:32,672 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 02:20:32,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:32,893 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2021-10-11 02:20:32,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:32,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199890284] [2021-10-11 02:20:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:33,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:33,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:33,158 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 02:20:33,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:33,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199890284] [2021-10-11 02:20:33,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:33,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:33,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685764916] [2021-10-11 02:20:33,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:33,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:33,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:33,183 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:20:33,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:33,258 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 02:20:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:33,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:20:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:33,261 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:20:33,261 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 02:20:33,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:20:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 02:20:33,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 02:20:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:20:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 02:20:33,276 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2021-10-11 02:20:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:33,277 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 02:20:33,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 02:20:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:20:33,279 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:33,279 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, 1] [2021-10-11 02:20:33,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:33,503 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:33,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:33,504 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2021-10-11 02:20:33,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:33,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008352752] [2021-10-11 02:20:33,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:33,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:33,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:33,857 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 02:20:33,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:33,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008352752] [2021-10-11 02:20:33,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:33,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:33,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939455013] [2021-10-11 02:20:33,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:33,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:33,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:33,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:33,860 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2021-10-11 02:20:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:34,103 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2021-10-11 02:20:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:20:34,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:20:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:34,109 INFO L225 Difference]: With dead ends: 320 [2021-10-11 02:20:34,109 INFO L226 Difference]: Without dead ends: 266 [2021-10-11 02:20:34,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:20:34,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-11 02:20:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2021-10-11 02:20:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 02:20:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2021-10-11 02:20:34,149 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2021-10-11 02:20:34,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:34,150 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2021-10-11 02:20:34,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2021-10-11 02:20:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:20:34,152 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:34,153 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, 1, 1] [2021-10-11 02:20:34,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:34,377 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2021-10-11 02:20:34,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:34,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370202838] [2021-10-11 02:20:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/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 02:20:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:36,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:37,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:37,806 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:20:37,806 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:38,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:38,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:38 BoogieIcfgContainer [2021-10-11 02:20:38,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:38,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:38,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:38,175 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:38,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:31" (3/4) ... [2021-10-11 02:20:38,178 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:20:38,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5989a80-3e9e-4635-b591-dfcc335b8140/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:38,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:38,290 INFO L168 Benchmark]: Toolchain (without parser) took 10747.05 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 28.2 MB in the beginning and 51.5 MB in the end (delta: -23.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,297 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:38,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.36 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.1 MB in the beginning and 40.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.61 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 37.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,301 INFO L168 Benchmark]: Boogie Preprocessor took 51.49 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 35.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,302 INFO L168 Benchmark]: RCFGBuilder took 3004.40 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 35.5 MB in the beginning and 51.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,304 INFO L168 Benchmark]: TraceAbstraction took 6647.22 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 51.5 MB in the beginning and 62.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,305 INFO L168 Benchmark]: Witness Printer took 113.60 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 51.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 824.36 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.1 MB in the beginning and 40.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.61 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 37.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.49 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 35.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3004.40 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 35.5 MB in the beginning and 51.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6647.22 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 51.5 MB in the beginning and 62.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. * Witness Printer took 113.60 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 51.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L51] int cleanupTimeShifts = 4; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L808] int waterLevel = 1; [L809] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L132] int retValue_acc ; [L133] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L139] tmp = valid_product() [L141] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L826] COND TRUE waterLevel < 2 [L827] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L767] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L613] COND TRUE \read(systemActive) [L635] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L889] int tmp ; [L890] int tmp___0 ; [L891] int tmp___1 ; [L847] int retValue_acc ; [L850] retValue_acc = methaneLevelCritical [L851] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L895] tmp = isMethaneLevelCritical() [L897] COND FALSE !(\read(tmp)) [L879] int retValue_acc ; [L882] retValue_acc = waterLevel [L883] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] tmp___0 = getWaterLevel() [L903] COND TRUE tmp___0 == 2 [L704] int retValue_acc ; [L707] retValue_acc = pumpRunning [L708] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp___1 = isPumpRunning() [L907] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 284 SDslu, 232 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s 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, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3894 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...