./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG --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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f ............................................................................................................................................ 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG --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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:46:11,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:46:11,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:46:11,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:46:11,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:46:11,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:46:11,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:46:11,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:46:11,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:46:11,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:46:11,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:46:11,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:46:11,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:46:11,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:46:11,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:46:11,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:46:11,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:46:11,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:46:11,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:46:11,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:46:11,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:46:11,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:46:11,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:46:11,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:46:11,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:46:11,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:46:11,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:46:11,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:46:11,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:46:11,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:46:11,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:46:11,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:46:11,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:46:11,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:46:11,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:46:11,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:46:11,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:46:11,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:46:11,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:46:11,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:46:11,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:46:11,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:46:11,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:46:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:46:11,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:46:11,914 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:46:11,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:46:11,915 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:46:11,915 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:46:11,915 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:46:11,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:46:11,916 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:46:11,916 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:46:11,916 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:46:11,916 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:46:11,917 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:46:11,917 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:46:11,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:46:11,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:46:11,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:46:11,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:46:11,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:46:11,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:46:11,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:46:11,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:46:11,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:46:11,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:46:11,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:46:11,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:46:11,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:46:11,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:46:11,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:46:11,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:46:11,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:46:11,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:46:11,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:46:11,922 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:46:11,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:46:11,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:46:11,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:46:11,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:46:11,923 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2021-10-29 05:46:12,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:46:12,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:46:12,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:46:12,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:46:12,225 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:46:12,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-29 05:46:12,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117526d1c/e594f74694c047e093659b8618344d52/FLAG209f69607 [2021-10-29 05:46:12,885 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:46:12,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-29 05:46:12,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117526d1c/e594f74694c047e093659b8618344d52/FLAG209f69607 [2021-10-29 05:46:13,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117526d1c/e594f74694c047e093659b8618344d52 [2021-10-29 05:46:13,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:46:13,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:46:13,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:13,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:46:13,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:46:13,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:13" (1/1) ... [2021-10-29 05:46:13,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b7e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:13, skipping insertion in model container [2021-10-29 05:46:13,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:13" (1/1) ... [2021-10-29 05:46:13,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:46:13,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:46:13,421 WARN L228 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2021-10-29 05:46:13,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:46:13,494 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) [2021-10-29 05:46:13,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2808c493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:13, skipping insertion in model container [2021-10-29 05:46:13,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:13,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:46:13,498 INFO L168 Benchmark]: Toolchain (without parser) took 345.89 ms. Allocated memory is still 88.1 MB. Free memory was 66.0 MB in the beginning and 61.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:13,499 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:46:13,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.31 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 61.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:13,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.31 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 61.6 MB in the end (delta: 4.1 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: 530]: 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 0.2.1-dev-b2eff8b [2021-10-29 05:46:15,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:46:16,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:46:16,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:46:16,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:46:16,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:46:16,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:46:16,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:46:16,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:46:16,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:46:16,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:46:16,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:46:16,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:46:16,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:46:16,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:46:16,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:46:16,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:46:16,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:46:16,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:46:16,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:46:16,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:46:16,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:46:16,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:46:16,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:46:16,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:46:16,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:46:16,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:46:16,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:46:16,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:46:16,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:46:16,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:46:16,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:46:16,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:46:16,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:46:16,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:46:16,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:46:16,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:46:16,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:46:16,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:46:16,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:46:16,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:46:16,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:46:16,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:46:16,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:46:16,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:46:16,192 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:46:16,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:46:16,193 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:46:16,193 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:46:16,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:46:16,194 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:46:16,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:46:16,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:46:16,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:46:16,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:46:16,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:46:16,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:46:16,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:46:16,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:46:16,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:46:16,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:46:16,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:46:16,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:46:16,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:46:16,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:46:16,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:46:16,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:46:16,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:46:16,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:46:16,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:46:16,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:46:16,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:46:16,201 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:46:16,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:46:16,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:46:16,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:46:16,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:46:16,203 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2021-10-29 05:46:16,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:46:16,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:46:16,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:46:16,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:46:16,666 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:46:16,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-29 05:46:16,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117917d90/0d62f2f0f07048a28e9d63631e299d9a/FLAG8151b4edc [2021-10-29 05:46:17,321 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:46:17,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-29 05:46:17,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117917d90/0d62f2f0f07048a28e9d63631e299d9a/FLAG8151b4edc [2021-10-29 05:46:17,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/data/117917d90/0d62f2f0f07048a28e9d63631e299d9a [2021-10-29 05:46:17,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:46:17,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:46:17,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:17,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:46:17,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:46:17,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:17" (1/1) ... [2021-10-29 05:46:17,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a1d848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:17, skipping insertion in model container [2021-10-29 05:46:17,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:46:17" (1/1) ... [2021-10-29 05:46:17,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:46:17,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:46:17,945 WARN L228 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2021-10-29 05:46:18,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:46:18,073 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:46:18,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:46:18,135 WARN L228 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2021-10-29 05:46:18,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:46:18,209 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:46:18,266 WARN L228 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_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2021-10-29 05:46:18,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:46:18,333 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:46:18,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18 WrapperNode [2021-10-29 05:46:18,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:46:18,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:46:18,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:46:18,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:46:18,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:46:18,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:46:18,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:46:18,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:46:18,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:46:18,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:46:18,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:46:18,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:46:18,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (1/1) ... [2021-10-29 05:46:18,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:46:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:46:18,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:46:18,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:46:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:46:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:46:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:46:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:46:21,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:46:21,015 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-29 05:46:21,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:46:21 BoogieIcfgContainer [2021-10-29 05:46:21,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:46:21,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:46:21,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:46:21,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:46:21,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:46:17" (1/3) ... [2021-10-29 05:46:21,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbdda4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:46:21, skipping insertion in model container [2021-10-29 05:46:21,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:46:18" (2/3) ... [2021-10-29 05:46:21,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbdda4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:46:21, skipping insertion in model container [2021-10-29 05:46:21,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:46:21" (3/3) ... [2021-10-29 05:46:21,029 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2021-10-29 05:46:21,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:46:21,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:46:21,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:46:21,115 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:46:21,116 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:46:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:46:21,155 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:46:21,157 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:46:21,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:46:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:46:21,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-29 05:46:21,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:46:21,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685963743] [2021-10-29 05:46:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:46:21,184 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:46:21,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:46:21,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:46:21,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:46:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:46:21,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:46:21,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:46:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:21,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:46:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:21,657 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:46:21,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685963743] [2021-10-29 05:46:21,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685963743] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:46:21,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:46:21,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:46:21,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901906101] [2021-10-29 05:46:21,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:46:21,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:46:21,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:46:21,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:46:21,694 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:46:21,718 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-29 05:46:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:46:21,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:46:21,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:46:21,730 INFO L225 Difference]: With dead ends: 112 [2021-10-29 05:46:21,730 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:46:21,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:46:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:46:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:46:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-29 05:46:21,773 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-29 05:46:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:46:21,774 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-29 05:46:21,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-29 05:46:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:46:21,775 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:46:21,776 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:46:21,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:46:21,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:46:21,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:46:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:46:21,990 INFO L85 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-29 05:46:21,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:46:21,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908922341] [2021-10-29 05:46:21,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:46:21,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:46:21,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:46:21,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:46:21,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:46:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:46:22,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:46:22,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:46:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:22,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:46:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:22,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:46:22,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908922341] [2021-10-29 05:46:22,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908922341] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:46:22,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:46:22,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:46:22,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128593966] [2021-10-29 05:46:22,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:46:22,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:46:22,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:46:22,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:46:22,348 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:46:22,368 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-29 05:46:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:46:22,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:46:22,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:46:22,372 INFO L225 Difference]: With dead ends: 55 [2021-10-29 05:46:22,372 INFO L226 Difference]: Without dead ends: 29 [2021-10-29 05:46:22,374 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:46:22,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-29 05:46:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-29 05:46:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-29 05:46:22,388 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-29 05:46:22,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:46:22,388 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-29 05:46:22,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-29 05:46:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:46:22,390 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:46:22,396 INFO L513 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] [2021-10-29 05:46:22,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:46:22,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:46:22,615 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:46:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:46:22,616 INFO L85 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-29 05:46:22,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:46:22,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449039160] [2021-10-29 05:46:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:46:22,617 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:46:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:46:22,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:46:22,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:46:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:46:22,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:46:22,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:46:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:22,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:46:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:23,058 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:46:23,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449039160] [2021-10-29 05:46:23,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449039160] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:46:23,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:46:23,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:46:23,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838848930] [2021-10-29 05:46:23,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:46:23,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:46:23,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:46:23,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:46:23,065 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:46:23,118 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-29 05:46:23,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:46:23,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:46:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:46:23,124 INFO L225 Difference]: With dead ends: 98 [2021-10-29 05:46:23,125 INFO L226 Difference]: Without dead ends: 75 [2021-10-29 05:46:23,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:46:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-29 05:46:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-29 05:46:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-29 05:46:23,158 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-29 05:46:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:46:23,158 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-29 05:46:23,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-29 05:46:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:46:23,161 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:46:23,161 INFO L513 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] [2021-10-29 05:46:23,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:46:23,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:46:23,378 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:46:23,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:46:23,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-29 05:46:23,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:46:23,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765719957] [2021-10-29 05:46:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:46:23,380 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:46:23,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:46:23,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:46:23,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:46:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:46:23,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:46:23,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:46:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:23,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:46:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:23,798 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:46:23,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765719957] [2021-10-29 05:46:23,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765719957] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:46:23,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:46:23,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:46:23,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155916951] [2021-10-29 05:46:23,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:46:23,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:46:23,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:46:23,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:46:23,801 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:46:23,900 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-29 05:46:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:46:23,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:46:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:46:23,906 INFO L225 Difference]: With dead ends: 214 [2021-10-29 05:46:23,906 INFO L226 Difference]: Without dead ends: 172 [2021-10-29 05:46:23,907 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:46:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-29 05:46:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-29 05:46:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-29 05:46:23,923 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-29 05:46:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:46:23,923 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-29 05:46:23,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-29 05:46:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:46:23,925 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:46:23,926 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:46:23,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:46:24,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:46:24,146 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:46:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:46:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2021-10-29 05:46:24,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:46:24,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162141571] [2021-10-29 05:46:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:46:24,148 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:46:24,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:46:24,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:46:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:46:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:46:24,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:46:24,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:46:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:24,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:46:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:46:24,531 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:46:24,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162141571] [2021-10-29 05:46:24,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162141571] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:46:24,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:46:24,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:46:24,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790092436] [2021-10-29 05:46:24,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:46:24,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:46:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:46:24,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:46:24,540 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:46:24,647 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-29 05:46:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:46:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 05:46:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:46:24,648 INFO L225 Difference]: With dead ends: 268 [2021-10-29 05:46:24,649 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:46:24,650 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:46:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:46:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:46:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:46:24,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-29 05:46:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:46:24,652 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:46:24,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:46:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:46:24,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:46:24,655 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:46:24,656 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:46:24,656 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:46:24,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:46:24,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:46:24,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:46:24,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:24,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:46:25,333 INFO L853 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: false [2021-10-29 05:46:25,333 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,334 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-29 05:46:25,334 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,334 INFO L853 garLoopResultBuilder]: At program point L234(lines 229 237) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,334 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 229 237) the Hoare annotation is: false [2021-10-29 05:46:25,334 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 229 237) the Hoare annotation is: false [2021-10-29 05:46:25,335 INFO L857 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2021-10-29 05:46:25,335 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:46:25,335 INFO L853 garLoopResultBuilder]: At program point L334(lines 329 337) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,335 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 329 337) the Hoare annotation is: false [2021-10-29 05:46:25,335 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 329 337) the Hoare annotation is: false [2021-10-29 05:46:25,336 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 497) no Hoare annotation was computed. [2021-10-29 05:46:25,336 INFO L853 garLoopResultBuilder]: At program point L484-1(lines 1 866) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,336 INFO L857 garLoopResultBuilder]: For program point L484-2(lines 484 497) no Hoare annotation was computed. [2021-10-29 05:46:25,336 INFO L853 garLoopResultBuilder]: At program point L484-3(lines 1 866) the Hoare annotation is: false [2021-10-29 05:46:25,336 INFO L857 garLoopResultBuilder]: For program point L484-4(lines 484 497) no Hoare annotation was computed. [2021-10-29 05:46:25,337 INFO L853 garLoopResultBuilder]: At program point L484-5(lines 1 866) the Hoare annotation is: false [2021-10-29 05:46:25,337 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2021-10-29 05:46:25,337 INFO L857 garLoopResultBuilder]: For program point L386-1(lines 175 181) no Hoare annotation was computed. [2021-10-29 05:46:25,337 INFO L853 garLoopResultBuilder]: At program point L155(lines 150 158) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,337 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 460) no Hoare annotation was computed. [2021-10-29 05:46:25,337 INFO L860 garLoopResultBuilder]: At program point L453-1(lines 453 460) the Hoare annotation is: true [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point L471-1(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point L471-2(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,338 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-29 05:46:25,339 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,339 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-10-29 05:46:25,339 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 494) no Hoare annotation was computed. [2021-10-29 05:46:25,339 INFO L857 garLoopResultBuilder]: For program point L488-4(lines 488 494) no Hoare annotation was computed. [2021-10-29 05:46:25,339 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,340 INFO L853 garLoopResultBuilder]: At program point L175(lines 174 193) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,340 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2021-10-29 05:46:25,340 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 174 193) the Hoare annotation is: false [2021-10-29 05:46:25,340 INFO L853 garLoopResultBuilder]: At program point L175-3(lines 174 193) the Hoare annotation is: false [2021-10-29 05:46:25,340 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:46:25,340 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 313) no Hoare annotation was computed. [2021-10-29 05:46:25,341 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-29 05:46:25,341 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-10-29 05:46:25,341 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,341 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-29 05:46:25,341 INFO L853 garLoopResultBuilder]: At program point L147(lines 1 866) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,341 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:46:25,342 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2021-10-29 05:46:25,342 INFO L860 garLoopResultBuilder]: At program point L462(lines 443 465) the Hoare annotation is: true [2021-10-29 05:46:25,342 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2021-10-29 05:46:25,342 INFO L857 garLoopResultBuilder]: For program point L297-3(lines 297 301) no Hoare annotation was computed. [2021-10-29 05:46:25,342 INFO L857 garLoopResultBuilder]: For program point L297-6(lines 297 301) no Hoare annotation was computed. [2021-10-29 05:46:25,346 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-29 05:46:25,347 INFO L853 garLoopResultBuilder]: At program point L182(lines 182 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,348 INFO L853 garLoopResultBuilder]: At program point L182-1(lines 182 188) the Hoare annotation is: false [2021-10-29 05:46:25,348 INFO L853 garLoopResultBuilder]: At program point L182-2(lines 182 188) the Hoare annotation is: false [2021-10-29 05:46:25,349 INFO L853 garLoopResultBuilder]: At program point L430(lines 426 432) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,349 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-29 05:46:25,349 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2021-10-29 05:46:25,353 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 175 181) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:46:25,357 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:46:25,362 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:46:25,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:46:25 BoogieIcfgContainer [2021-10-29 05:46:25,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:46:25,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:46:25,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:46:25,385 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:46:25,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:46:21" (3/4) ... [2021-10-29 05:46:25,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:46:25,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:46:25,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:46:25,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:46:25,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:46:25,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:46:25,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:46:25,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:46:25,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 05:46:25,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:46:25,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:46:25,479 INFO L168 Benchmark]: Toolchain (without parser) took 7841.11 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 39.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,479 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:46:25,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.97 ms. Allocated memory is still 77.6 MB. Free memory was 60.4 MB in the beginning and 48.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.47 ms. Allocated memory is still 77.6 MB. Free memory was 48.9 MB in the beginning and 46.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,481 INFO L168 Benchmark]: Boogie Preprocessor took 69.98 ms. Allocated memory is still 77.6 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,482 INFO L168 Benchmark]: RCFGBuilder took 2528.70 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 44.2 MB in the beginning and 67.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,482 INFO L168 Benchmark]: TraceAbstraction took 4363.74 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 44.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,483 INFO L168 Benchmark]: Witness Printer took 92.37 ms. Allocated memory is still 98.6 MB. Free memory was 44.1 MB in the beginning and 39.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:46:25,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.97 ms. Allocated memory is still 77.6 MB. Free memory was 60.4 MB in the beginning and 48.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.47 ms. Allocated memory is still 77.6 MB. Free memory was 48.9 MB in the beginning and 46.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.98 ms. Allocated memory is still 77.6 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2528.70 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 44.2 MB in the beginning and 67.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4363.74 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 44.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * Witness Printer took 92.37 ms. Allocated memory is still 98.6 MB. Free memory was 44.1 MB in the beginning and 39.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 471]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 471]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 471]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 325 SDslu, 307 SDs, 0 SdLazy, 43 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 369 SizeOfPredicates, 7 NumberOfNonLiveVariables, 971 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-29 05:46:25,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b402c6-6602-4d84-b4d0-0e3cc9237cc7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...