./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ............................................................................................................................................ 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:30:44,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:44,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:44,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:44,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:44,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:44,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:44,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:44,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:44,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:44,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:44,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:44,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:44,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:44,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:44,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:44,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:44,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:44,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:44,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:44,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:44,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:44,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:44,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:44,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:44,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:44,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:44,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:44,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:44,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:44,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:44,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:44,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:44,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:44,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:44,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:44,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:44,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:44,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:44,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:44,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:44,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:44,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:44,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:44,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:44,803 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:44,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:44,804 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:44,804 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:44,804 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:44,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:44,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:44,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:44,812 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:44,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:44,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:44,813 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:44,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:44,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:44,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:44,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:44,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:44,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:44,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:44,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:44,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:44,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:44,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:44,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:44,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:44,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:44,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:44,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:44,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:44,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:44,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:44,820 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:44,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:44,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:44,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:44,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:44,821 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2021-10-11 02:30:45,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:45,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:45,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:45,100 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:45,101 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:45,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-11 02:30:45,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/e42a618a4/2641635e6b2f447687cd705856b50eff/FLAG9056e500a [2021-10-11 02:30:45,760 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:45,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-11 02:30:45,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/e42a618a4/2641635e6b2f447687cd705856b50eff/FLAG9056e500a [2021-10-11 02:30:46,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/e42a618a4/2641635e6b2f447687cd705856b50eff [2021-10-11 02:30:46,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:46,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:46,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:46,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:46,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:46,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5ef88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:46, skipping insertion in model container [2021-10-11 02:30:46,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:46,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:46,466 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-11 02:30:46,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:46,493 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 02:30:46,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ab53061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:46, skipping insertion in model container [2021-10-11 02:30:46,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:46,494 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:46,496 INFO L168 Benchmark]: Toolchain (without parser) took 405.89 ms. Allocated memory is still 127.9 MB. Free memory was 92.5 MB in the beginning and 101.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:46,497 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:46,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.56 ms. Allocated memory is still 127.9 MB. Free memory was 92.5 MB in the beginning and 101.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:46,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.56 ms. Allocated memory is still 127.9 MB. Free memory was 92.5 MB in the beginning and 101.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:48,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:48,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:48,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:48,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:48,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:48,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:48,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:48,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:48,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:48,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:48,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:48,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:48,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:48,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:48,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:48,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:48,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:48,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:48,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:48,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:48,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:48,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:48,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:48,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:48,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:48,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:48,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:48,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:48,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:48,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:48,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:48,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:48,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:48,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:48,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:48,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:48,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:48,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:48,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:48,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:48,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:48,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:48,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:48,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:48,866 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:48,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:48,867 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:48,867 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:48,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:48,867 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:48,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:48,870 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:48,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:48,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:48,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:48,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:48,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:48,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:48,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:48,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:48,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:48,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:48,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:48,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:48,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:48,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:48,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:48,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:48,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:48,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:48,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:48,874 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:48,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:48,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:48,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:48,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:48,875 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2021-10-11 02:30:49,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:49,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:49,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:49,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:49,284 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:49,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-11 02:30:49,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/7026624d2/c25d96ca3a5b4c47b881f212e4fd8a7b/FLAGf0b8c45d2 [2021-10-11 02:30:50,008 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:50,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-11 02:30:50,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/7026624d2/c25d96ca3a5b4c47b881f212e4fd8a7b/FLAGf0b8c45d2 [2021-10-11 02:30:50,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/data/7026624d2/c25d96ca3a5b4c47b881f212e4fd8a7b [2021-10-11 02:30:50,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:50,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:50,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:50,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:50,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:50,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:50,739 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-11 02:30:50,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:50,764 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:50,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:50,890 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-11 02:30:50,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:50,903 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:50,981 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_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-11 02:30:50,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:51,015 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:51,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51 WrapperNode [2021-10-11 02:30:51,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:51,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:51,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:51,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:51,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:51,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:51,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:51,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:51,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:51,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:51,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:51,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:51,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:53,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:53,454 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 02:30:53,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:53 BoogieIcfgContainer [2021-10-11 02:30:53,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:53,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:53,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:53,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:53,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:50" (1/3) ... [2021-10-11 02:30:53,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6225c0fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:53, skipping insertion in model container [2021-10-11 02:30:53,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (2/3) ... [2021-10-11 02:30:53,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6225c0fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:53, skipping insertion in model container [2021-10-11 02:30:53,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:53" (3/3) ... [2021-10-11 02:30:53,472 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-10-11 02:30:53,485 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:53,489 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:53,499 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:53,547 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:53,548 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:53,548 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:53,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:53,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:53,548 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:53,548 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:53,548 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2021-10-11 02:30:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:53,586 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:53,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:53,587 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:53,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,592 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-11 02:30:53,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236996375] [2021-10-11 02:30:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,931 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 02:30:53,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236996375] [2021-10-11 02:30:53,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:53,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463505726] [2021-10-11 02:30:53,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:53,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:53,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:53,960 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2021-10-11 02:30:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:53,989 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-11 02:30:53,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:53,991 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:30:53,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:54,001 INFO L225 Difference]: With dead ends: 208 [2021-10-11 02:30:54,001 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 02:30:54,004 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 02:30:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 02:30:54,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-11 02:30:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 02:30:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-11 02:30:54,046 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-11 02:30:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:54,046 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-11 02:30:54,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-11 02:30:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:54,048 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:54,048 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 02:30:54,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:54,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,270 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-11 02:30:54,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515414228] [2021-10-11 02:30:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:54,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:54,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:54,516 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 02:30:54,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:54,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515414228] [2021-10-11 02:30:54,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:54,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:54,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258922528] [2021-10-11 02:30:54,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:54,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:54,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:54,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:54,521 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2021-10-11 02:30:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:54,533 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-11 02:30:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:54,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:54,535 INFO L225 Difference]: With dead ends: 103 [2021-10-11 02:30:54,535 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:30:54,536 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 02:30:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:30:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:30:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:30:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-11 02:30:54,543 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-11 02:30:54,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:54,543 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-11 02:30:54,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-11 02:30:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:54,545 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:54,545 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 02:30:54,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:54,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-11 02:30:54,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216197246] [2021-10-11 02:30:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:54,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:54,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:55,009 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 02:30:55,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:55,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216197246] [2021-10-11 02:30:55,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:55,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:55,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468971989] [2021-10-11 02:30:55,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:55,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:55,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:55,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:55,019 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2021-10-11 02:30:55,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:55,054 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2021-10-11 02:30:55,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:55,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:55,064 INFO L225 Difference]: With dead ends: 123 [2021-10-11 02:30:55,064 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 02:30:55,065 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 02:30:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 02:30:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2021-10-11 02:30:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 02:30:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2021-10-11 02:30:55,079 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2021-10-11 02:30:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:55,080 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2021-10-11 02:30:55,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-10-11 02:30:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:55,081 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:55,081 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 02:30:55,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:55,282 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:55,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:55,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-11 02:30:55,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:55,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838188497] [2021-10-11 02:30:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:55,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:55,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:55,538 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 02:30:55,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:55,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838188497] [2021-10-11 02:30:55,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:55,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:55,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350867197] [2021-10-11 02:30:55,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:55,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:55,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:55,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:55,541 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2021-10-11 02:30:55,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:55,674 INFO L93 Difference]: Finished difference Result 404 states and 614 transitions. [2021-10-11 02:30:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:55,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:30:55,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:55,678 INFO L225 Difference]: With dead ends: 404 [2021-10-11 02:30:55,678 INFO L226 Difference]: Without dead ends: 330 [2021-10-11 02:30:55,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 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 02:30:55,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-11 02:30:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 148. [2021-10-11 02:30:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-10-11 02:30:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2021-10-11 02:30:55,702 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 24 [2021-10-11 02:30:55,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:55,703 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2021-10-11 02:30:55,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2021-10-11 02:30:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:55,705 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:55,705 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 02:30:55,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:55,920 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:55,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:55,921 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2021-10-11 02:30:55,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:55,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500415474] [2021-10-11 02:30:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/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 02:30:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:56,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:56,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:56,182 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 02:30:56,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:56,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500415474] [2021-10-11 02:30:56,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:56,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:56,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882697095] [2021-10-11 02:30:56,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:56,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:56,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:56,185 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand 5 states. [2021-10-11 02:30:56,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:56,307 INFO L93 Difference]: Finished difference Result 356 states and 539 transitions. [2021-10-11 02:30:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:56,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:30:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:56,309 INFO L225 Difference]: With dead ends: 356 [2021-10-11 02:30:56,309 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:56,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 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 02:30:56,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:56,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:30:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:56,312 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:56,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:56,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:56,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:56,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:57,024 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,024 INFO L265 CegarLoopResult]: At program point L928(lines 909 931) the Hoare annotation is: true [2021-10-11 02:30:57,025 INFO L258 CegarLoopResult]: At program point L697(lines 692 700) 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 02:30:57,025 INFO L258 CegarLoopResult]: At program point L697-1(lines 692 700) the Hoare annotation is: false [2021-10-11 02:30:57,025 INFO L258 CegarLoopResult]: At program point L697-2(lines 692 700) the Hoare annotation is: false [2021-10-11 02:30:57,026 INFO L258 CegarLoopResult]: At program point L565(lines 516 566) the Hoare annotation is: false [2021-10-11 02:30:57,026 INFO L258 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,027 INFO L258 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,027 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:30:57,027 INFO L258 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,027 INFO L258 CegarLoopResult]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,027 INFO L258 CegarLoopResult]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,027 INFO L258 CegarLoopResult]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:57,028 INFO L258 CegarLoopResult]: At program point L896(lines 892 898) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:57,028 INFO L258 CegarLoopResult]: At program point L832(lines 827 835) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:57,028 INFO L262 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2021-10-11 02:30:57,029 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 02:30:57,035 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,035 INFO L262 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,035 INFO L262 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,035 INFO L262 CegarLoopResult]: For program point L937-2(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,035 INFO L262 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-11 02:30:57,035 INFO L262 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L547(lines 547 560) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-2(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-3(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-5(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-6(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-8(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,036 INFO L262 CegarLoopResult]: For program point L746-9(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point L746-11(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point L746-12(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point L746-14(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point L746-15(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,037 INFO L262 CegarLoopResult]: For program point L746-17(lines 746 750) no Hoare annotation was computed. [2021-10-11 02:30:57,038 INFO L262 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2021-10-11 02:30:57,038 INFO L262 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2021-10-11 02:30:57,038 INFO L262 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2021-10-11 02:30:57,039 INFO L262 CegarLoopResult]: For program point L781(lines 781 794) no Hoare annotation was computed. [2021-10-11 02:30:57,040 INFO L258 CegarLoopResult]: At program point L781-1(lines 1 940) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,040 INFO L262 CegarLoopResult]: For program point L781-2(lines 781 794) no Hoare annotation was computed. [2021-10-11 02:30:57,040 INFO L258 CegarLoopResult]: At program point L781-3(lines 1 940) the Hoare annotation is: false [2021-10-11 02:30:57,040 INFO L262 CegarLoopResult]: For program point L781-4(lines 781 794) no Hoare annotation was computed. [2021-10-11 02:30:57,040 INFO L258 CegarLoopResult]: At program point L781-5(lines 1 940) the Hoare annotation is: false [2021-10-11 02:30:57,040 INFO L258 CegarLoopResult]: At program point L848-2(lines 848 862) the Hoare annotation is: false [2021-10-11 02:30:57,040 INFO L262 CegarLoopResult]: For program point L518(lines 517 564) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618-1(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618-2(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618-3(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618-4(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L618-5(lines 618 635) no Hoare annotation was computed. [2021-10-11 02:30:57,041 INFO L258 CegarLoopResult]: At program point L586(lines 585 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,041 INFO L262 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L258 CegarLoopResult]: At program point L553-1(lines 586 592) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,042 INFO L258 CegarLoopResult]: At program point L586-2(lines 585 604) the Hoare annotation is: false [2021-10-11 02:30:57,042 INFO L258 CegarLoopResult]: At program point L586-3(lines 585 604) the Hoare annotation is: false [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:30:57,042 INFO L262 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2021-10-11 02:30:57,043 INFO L258 CegarLoopResult]: At program point L752(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,043 INFO L258 CegarLoopResult]: At program point L752-1(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,043 INFO L262 CegarLoopResult]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2021-10-11 02:30:57,043 INFO L258 CegarLoopResult]: At program point L752-2(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,044 INFO L258 CegarLoopResult]: At program point L752-3(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,044 INFO L262 CegarLoopResult]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2021-10-11 02:30:57,044 INFO L258 CegarLoopResult]: At program point L752-4(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,044 INFO L258 CegarLoopResult]: At program point L752-5(lines 737 755) the Hoare annotation is: false [2021-10-11 02:30:57,044 INFO L262 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2021-10-11 02:30:57,044 INFO L262 CegarLoopResult]: For program point L852-1(lines 586 592) no Hoare annotation was computed. [2021-10-11 02:30:57,044 INFO L262 CegarLoopResult]: For program point L919(lines 919 926) no Hoare annotation was computed. [2021-10-11 02:30:57,045 INFO L265 CegarLoopResult]: At program point L919-1(lines 919 926) the Hoare annotation is: true [2021-10-11 02:30:57,047 INFO L258 CegarLoopResult]: At program point L688(lines 681 691) the Hoare annotation is: false [2021-10-11 02:30:57,047 INFO L258 CegarLoopResult]: At program point L688-1(lines 681 691) the Hoare annotation is: false [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,047 INFO L258 CegarLoopResult]: At program point L688-2(lines 681 691) the Hoare annotation is: false [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622-1(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622-3(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622-4(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,047 INFO L262 CegarLoopResult]: For program point L622-5(lines 622 630) no Hoare annotation was computed. [2021-10-11 02:30:57,048 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: false [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2021-10-11 02:30:57,048 INFO L258 CegarLoopResult]: At program point L824(lines 1 940) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:57,049 INFO L258 CegarLoopResult]: At program point L593(lines 593 599) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,049 INFO L258 CegarLoopResult]: At program point L593-1(lines 593 599) the Hoare annotation is: false [2021-10-11 02:30:57,049 INFO L262 CegarLoopResult]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-10-11 02:30:57,049 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 599) the Hoare annotation is: false [2021-10-11 02:30:57,049 INFO L258 CegarLoopResult]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,049 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:57,049 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-11 02:30:57,049 INFO L262 CegarLoopResult]: For program point L760(lines 760 766) no Hoare annotation was computed. [2021-10-11 02:30:57,050 INFO L258 CegarLoopResult]: At program point L760-1(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:57,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:57 BoogieIcfgContainer [2021-10-11 02:30:57,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:57,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:57,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:57,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:57,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:53" (3/4) ... [2021-10-11 02:30:57,084 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:57,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:57,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:57,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:57,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:57,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:57,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:57,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:57,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:30:57,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efe1e92-f5bb-4dc0-8bf0-7f7e7282b3b4/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:57,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:57,219 INFO L168 Benchmark]: Toolchain (without parser) took 6953.87 ms. Allocated memory was 62.9 MB in the beginning and 109.1 MB in the end (delta: 46.1 MB). Free memory was 42.2 MB in the beginning and 65.8 MB in the end (delta: -23.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,219 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:57,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.30 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 30.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.02 ms. Allocated memory is still 62.9 MB. Free memory was 30.3 MB in the beginning and 26.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,220 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 62.9 MB. Free memory was 26.8 MB in the beginning and 24.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,221 INFO L168 Benchmark]: RCFGBuilder took 2342.42 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 24.2 MB in the beginning and 65.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,221 INFO L168 Benchmark]: TraceAbstraction took 3614.05 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 65.3 MB in the beginning and 75.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,222 INFO L168 Benchmark]: Witness Printer took 136.82 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 65.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:57,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.30 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 30.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.02 ms. Allocated memory is still 62.9 MB. Free memory was 30.3 MB in the beginning and 26.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 62.9 MB. Free memory was 26.8 MB in the beginning and 24.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2342.42 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 24.2 MB in the beginning and 65.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3614.05 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 65.3 MB in the beginning and 75.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. * Witness Printer took 136.82 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 65.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 937]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 937]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 937]: 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: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: 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: 760]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 447 SDslu, 417 SDs, 0 SdLazy, 66 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4655 SizeOfPredicates, 7 NumberOfNonLiveVariables, 975 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...