./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs --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 452bca413427171f12d7ad8836a46968f2acfe1a ............................................................................................................................................ 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_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs --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 452bca413427171f12d7ad8836a46968f2acfe1a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:18:23,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:18:23,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:18:23,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:18:23,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:18:23,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:18:23,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:18:23,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:18:23,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:18:23,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:18:23,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:18:23,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:18:23,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:18:23,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:18:23,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:18:23,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:18:23,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:18:23,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:18:23,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:18:23,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:18:23,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:18:23,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:18:23,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:18:23,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:18:23,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:18:23,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:18:23,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:18:23,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:18:23,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:18:23,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:18:23,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:18:23,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:18:23,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:18:23,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:18:23,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:18:23,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:18:23,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:18:23,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:18:23,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:18:23,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:18:23,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:18:23,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:18:23,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:18:23,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:18:23,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:18:23,773 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:18:23,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:18:23,773 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:18:23,774 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:18:23,774 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:18:23,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:18:23,780 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:18:23,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:18:23,782 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:18:23,782 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:18:23,782 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:18:23,782 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:18:23,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:18:23,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:18:23,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:18:23,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:18:23,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:18:23,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:18:23,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:18:23,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:18:23,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:18:23,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:18:23,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:18:23,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:18:23,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:18:23,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:18:23,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:18:23,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:18:23,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:18:23,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:18:23,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:18:23,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:18:23,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:18:23,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:18:23,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:18:23,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:18:23,789 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_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2021-10-16 03:18:24,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:18:24,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:18:24,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:18:24,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:18:24,137 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:18:24,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-16 03:18:24,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/75e8c232b/c022955b5e6540d987b9f10992722115/FLAG75f9f08b0 [2021-10-16 03:18:24,695 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:18:24,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-16 03:18:24,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/75e8c232b/c022955b5e6540d987b9f10992722115/FLAG75f9f08b0 [2021-10-16 03:18:25,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/75e8c232b/c022955b5e6540d987b9f10992722115 [2021-10-16 03:18:25,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:18:25,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:18:25,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:25,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:18:25,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:18:25,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:25" (1/1) ... [2021-10-16 03:18:25,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8aa89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:25, skipping insertion in model container [2021-10-16 03:18:25,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:25" (1/1) ... [2021-10-16 03:18:25,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:18:25,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:18:25,304 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_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-16 03:18:25,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:25,331 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) [2021-10-16 03:18:25,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18cf68e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:25, skipping insertion in model container [2021-10-16 03:18:25,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:25,333 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:18:25,335 INFO L168 Benchmark]: Toolchain (without parser) took 258.18 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.5 MB in the beginning and 87.7 MB in the end (delta: -43.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:25,336 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:18:25,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.64 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 87.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:25,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.64 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 87.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 25]: 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-5709675 [2021-10-16 03:18:27,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:18:27,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:18:27,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:18:27,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:18:27,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:18:27,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:18:27,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:18:27,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:18:27,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:18:27,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:18:27,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:18:27,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:18:27,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:18:27,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:18:27,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:18:27,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:18:27,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:18:27,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:18:27,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:18:27,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:18:27,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:18:27,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:18:27,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:18:27,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:18:27,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:18:27,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:18:27,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:18:27,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:18:27,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:18:27,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:18:27,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:18:27,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:18:27,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:18:27,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:18:27,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:18:27,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:18:27,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:18:27,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:18:27,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:18:27,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:18:27,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:18:27,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:18:27,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:18:27,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:18:27,744 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:18:27,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:18:27,745 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:18:27,745 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:18:27,745 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:18:27,745 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:18:27,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:18:27,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:18:27,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:18:27,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:18:27,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:18:27,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:18:27,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:18:27,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:18:27,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:18:27,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:18:27,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:18:27,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:18:27,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:18:27,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:18:27,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:18:27,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:18:27,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:18:27,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:18:27,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:18:27,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:18:27,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:18:27,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:18:27,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:27,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:18:27,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:18:27,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:18:27,753 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_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2021-10-16 03:18:28,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:18:28,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:18:28,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:18:28,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:18:28,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:18:28,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-16 03:18:28,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/5e666c8fb/7fde9a98587b4b7a97550c1f46585613/FLAGdacce32e5 [2021-10-16 03:18:28,842 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:18:28,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-16 03:18:28,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/5e666c8fb/7fde9a98587b4b7a97550c1f46585613/FLAGdacce32e5 [2021-10-16 03:18:29,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/data/5e666c8fb/7fde9a98587b4b7a97550c1f46585613 [2021-10-16 03:18:29,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:18:29,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:18:29,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:29,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:18:29,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:18:29,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a130536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29, skipping insertion in model container [2021-10-16 03:18:29,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:18:29,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:18:29,375 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_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-16 03:18:29,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:29,402 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:18:29,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:18:29,410 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_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-16 03:18:29,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:29,419 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:18:29,432 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_6c570c1b-a990-4721-9709-3ae93faa31fb/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-16 03:18:29,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:29,473 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:18:29,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29 WrapperNode [2021-10-16 03:18:29,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:29,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:18:29,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:18:29,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:18:29,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:18:29,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:18:29,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:18:29,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:18:29,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:18:29,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:18:29,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:18:29,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:18:29,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (1/1) ... [2021-10-16 03:18:29,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:18:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:29,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:18:29,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:18:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 03:18:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:18:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 03:18:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:18:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 03:18:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:18:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:18:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:18:30,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:18:30,023 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-16 03:18:30,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:18:30 BoogieIcfgContainer [2021-10-16 03:18:30,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:18:30,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:18:30,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:18:30,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:18:30,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:18:29" (1/3) ... [2021-10-16 03:18:30,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21247400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:18:30, skipping insertion in model container [2021-10-16 03:18:30,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:29" (2/3) ... [2021-10-16 03:18:30,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21247400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:18:30, skipping insertion in model container [2021-10-16 03:18:30,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:18:30" (3/3) ... [2021-10-16 03:18:30,062 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2021-10-16 03:18:30,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:18:30,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:18:30,137 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:18:30,146 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, mConcurrency=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 [2021-10-16 03:18:30,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:18:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-10-16 03:18:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:18:30,185 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:30,186 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:30,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:30,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2060710478, now seen corresponding path program 1 times [2021-10-16 03:18:30,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:30,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210919403] [2021-10-16 03:18:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:30,215 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:30,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:30,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:30,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:18:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:30,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:18:30,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:30,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:30,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:30,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210919403] [2021-10-16 03:18:30,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210919403] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:18:30,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:18:30,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:18:30,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65612499] [2021-10-16 03:18:30,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:18:30,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:30,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:18:30,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:18:30,493 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 03:18:30,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:30,507 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-10-16 03:18:30,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:18:30,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-10-16 03:18:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:30,516 INFO L225 Difference]: With dead ends: 36 [2021-10-16 03:18:30,516 INFO L226 Difference]: Without dead ends: 16 [2021-10-16 03:18:30,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:18:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-16 03:18:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-16 03:18:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 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) [2021-10-16 03:18:30,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-10-16 03:18:30,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2021-10-16 03:18:30,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:30,549 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-16 03:18:30,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 03:18:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-16 03:18:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:18:30,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:30,551 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:30,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:30,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:30,762 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:30,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:30,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1919336157, now seen corresponding path program 1 times [2021-10-16 03:18:30,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:30,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510076852] [2021-10-16 03:18:30,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:30,765 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:30,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:30,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:30,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:18:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:30,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:18:30,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:30,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:30,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:30,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510076852] [2021-10-16 03:18:30,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510076852] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:18:30,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:18:30,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:18:30,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744562279] [2021-10-16 03:18:30,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:18:30,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:30,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:18:30,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:18:30,979 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-16 03:18:31,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:31,012 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-10-16 03:18:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:18:31,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 10 [2021-10-16 03:18:31,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:31,014 INFO L225 Difference]: With dead ends: 31 [2021-10-16 03:18:31,014 INFO L226 Difference]: Without dead ends: 19 [2021-10-16 03:18:31,015 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:18:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-16 03:18:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-16 03:18:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 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) [2021-10-16 03:18:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-10-16 03:18:31,037 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2021-10-16 03:18:31,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:31,037 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-10-16 03:18:31,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-16 03:18:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-10-16 03:18:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-16 03:18:31,039 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:31,039 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:31,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:31,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:31,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:31,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1315497119, now seen corresponding path program 1 times [2021-10-16 03:18:31,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:31,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944943699] [2021-10-16 03:18:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:31,243 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:31,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:31,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:31,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:18:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:31,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:18:31,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:31,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:31,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:31,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944943699] [2021-10-16 03:18:31,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944943699] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:31,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1363093440] [2021-10-16 03:18:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:31,655 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:31,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:18:31,661 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:18:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-16 03:18:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:31,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:18:31,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:31,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:18:31,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1363093440] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:31,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724215867] [2021-10-16 03:18:31,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:31,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:18:31,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:31,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:18:31,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-16 03:18:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:18:32,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:18:32,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 03:18:32,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724215867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:18:32,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-16 03:18:32,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-10-16 03:18:32,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117155120] [2021-10-16 03:18:32,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:18:32,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:32,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:18:32,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:18:32,178 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-16 03:18:32,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:32,231 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-10-16 03:18:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:18:32,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2021-10-16 03:18:32,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:32,233 INFO L225 Difference]: With dead ends: 39 [2021-10-16 03:18:32,233 INFO L226 Difference]: Without dead ends: 31 [2021-10-16 03:18:32,234 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 119.7ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:18:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-16 03:18:32,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-10-16 03:18:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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) [2021-10-16 03:18:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-10-16 03:18:32,239 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 14 [2021-10-16 03:18:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:32,240 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-16 03:18:32,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-16 03:18:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-16 03:18:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-16 03:18:32,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:32,241 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:32,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-16 03:18:32,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:32,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:32,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:32,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:32,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2030845279, now seen corresponding path program 1 times [2021-10-16 03:18:32,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:32,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215809727] [2021-10-16 03:18:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:32,850 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:32,851 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:32,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:18:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:32,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:18:32,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:33,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:33,205 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:33,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215809727] [2021-10-16 03:18:33,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215809727] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:33,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [957139640] [2021-10-16 03:18:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:33,206 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:33,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:18:33,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:18:33,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 03:18:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:33,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:18:33,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:18:33,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:18:33,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [957139640] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:18:33,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:18:33,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-10-16 03:18:33,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128457627] [2021-10-16 03:18:33,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:18:33,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:33,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:18:33,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:18:33,523 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2021-10-16 03:18:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:33,549 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2021-10-16 03:18:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:18:33,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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 20 [2021-10-16 03:18:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:33,554 INFO L225 Difference]: With dead ends: 42 [2021-10-16 03:18:33,554 INFO L226 Difference]: Without dead ends: 23 [2021-10-16 03:18:33,555 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 116.6ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:18:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-16 03:18:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-16 03:18:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 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) [2021-10-16 03:18:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2021-10-16 03:18:33,561 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 20 [2021-10-16 03:18:33,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:33,562 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2021-10-16 03:18:33,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2021-10-16 03:18:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-10-16 03:18:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-16 03:18:33,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:33,564 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:33,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:33,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:33,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:33,980 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:33,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:33,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2139127327, now seen corresponding path program 1 times [2021-10-16 03:18:33,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:33,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796566581] [2021-10-16 03:18:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:33,982 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:33,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:34,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:18:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:34,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:18:34,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:34,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:34,390 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:34,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796566581] [2021-10-16 03:18:34,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796566581] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:34,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2083862156] [2021-10-16 03:18:34,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:34,391 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:18:34,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:18:34,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-16 03:18:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:34,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:18:34,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:34,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:18:34,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2083862156] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:34,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133929094] [2021-10-16 03:18:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:34,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:18:34,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:34,746 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:18:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-16 03:18:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:34,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-16 03:18:34,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:18:35,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:36,274 INFO L354 Elim1Store]: treesize reduction 7, result has 41.7 percent of original size [2021-10-16 03:18:36,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 33 [2021-10-16 03:18:36,287 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-16 03:18:36,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2021-10-16 03:18:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 03:18:36,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133929094] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:36,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:18:36,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 8, 7] total 19 [2021-10-16 03:18:36,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315524991] [2021-10-16 03:18:36,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-16 03:18:36,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:36,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-16 03:18:36,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-10-16 03:18:36,332 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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) [2021-10-16 03:18:36,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:36,923 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2021-10-16 03:18:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 03:18:36,925 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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 20 [2021-10-16 03:18:36,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:36,925 INFO L225 Difference]: With dead ends: 54 [2021-10-16 03:18:36,925 INFO L226 Difference]: Without dead ends: 38 [2021-10-16 03:18:36,926 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 680.0ms TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-10-16 03:18:36,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-16 03:18:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2021-10-16 03:18:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 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) [2021-10-16 03:18:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-10-16 03:18:36,932 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 20 [2021-10-16 03:18:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:36,932 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-10-16 03:18:36,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 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) [2021-10-16 03:18:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-16 03:18:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:18:36,934 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:36,934 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:36,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:37,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:37,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:37,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:37,540 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:37,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:37,541 INFO L82 PathProgramCache]: Analyzing trace with hash 225697560, now seen corresponding path program 1 times [2021-10-16 03:18:37,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:37,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687849284] [2021-10-16 03:18:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:37,542 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:37,542 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:37,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:18:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:37,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 03:18:37,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 03:18:37,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 03:18:38,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:38,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687849284] [2021-10-16 03:18:38,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687849284] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:38,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [381924133] [2021-10-16 03:18:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:38,299 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:18:38,304 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:18:38,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-16 03:18:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:38,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 03:18:38,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 03:18:38,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 03:18:38,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [381924133] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:38,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705961223] [2021-10-16 03:18:38,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:38,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:18:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:38,855 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:18:38,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-16 03:18:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:18:39,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:18:39,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-16 03:18:39,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-16 03:18:39,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705961223] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:39,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:18:39,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 5, 5] total 22 [2021-10-16 03:18:39,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526088386] [2021-10-16 03:18:39,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 03:18:39,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 03:18:39,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-10-16 03:18:39,427 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-10-16 03:18:40,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:40,815 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2021-10-16 03:18:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 03:18:40,816 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 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 33 [2021-10-16 03:18:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:40,817 INFO L225 Difference]: With dead ends: 112 [2021-10-16 03:18:40,817 INFO L226 Difference]: Without dead ends: 93 [2021-10-16 03:18:40,818 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1336.8ms TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2021-10-16 03:18:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-16 03:18:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 62. [2021-10-16 03:18:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 61 states have internal predecessors, (64), 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) [2021-10-16 03:18:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2021-10-16 03:18:40,838 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2021-10-16 03:18:40,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:40,838 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2021-10-16 03:18:40,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-10-16 03:18:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2021-10-16 03:18:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 03:18:40,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:40,844 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:40,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:41,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:41,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:41,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:41,447 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:41,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:41,447 INFO L82 PathProgramCache]: Analyzing trace with hash 616513032, now seen corresponding path program 2 times [2021-10-16 03:18:41,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:41,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764863068] [2021-10-16 03:18:41,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:18:41,448 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:41,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:41,449 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:41,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-16 03:18:41,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:18:41,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:18:41,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-16 03:18:41,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-16 03:18:42,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-16 03:18:43,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:18:43,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764863068] [2021-10-16 03:18:43,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764863068] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:43,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [758435844] [2021-10-16 03:18:43,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:18:43,648 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:18:43,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:18:43,649 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:18:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-10-16 03:18:44,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:18:44,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:18:44,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-16 03:18:44,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-16 03:18:44,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-16 03:18:44,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [758435844] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:44,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473156044] [2021-10-16 03:18:44,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:18:44,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:18:44,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:44,686 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:18:44,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-16 03:18:45,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:18:45,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:18:45,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-16 03:18:45,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-16 03:18:46,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:47,666 INFO L354 Elim1Store]: treesize reduction 9, result has 35.7 percent of original size [2021-10-16 03:18:47,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 35 [2021-10-16 03:18:47,680 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-10-16 03:18:47,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 17 [2021-10-16 03:18:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-16 03:18:47,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473156044] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:18:47,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:18:47,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17, 17, 11, 10] total 49 [2021-10-16 03:18:47,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453334679] [2021-10-16 03:18:47,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-16 03:18:47,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:18:47,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-16 03:18:47,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1996, Unknown=0, NotChecked=0, Total=2352 [2021-10-16 03:18:47,884 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 49 states, 49 states have (on average 2.4489795918367347) internal successors, (120), 49 states have internal predecessors, (120), 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) [2021-10-16 03:18:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:18:54,682 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2021-10-16 03:18:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 03:18:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.4489795918367347) internal successors, (120), 49 states have internal predecessors, (120), 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 61 [2021-10-16 03:18:54,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:18:54,684 INFO L225 Difference]: With dead ends: 134 [2021-10-16 03:18:54,684 INFO L226 Difference]: Without dead ends: 103 [2021-10-16 03:18:54,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 7946.3ms TimeCoverageRelationStatistics Valid=1199, Invalid=5941, Unknown=0, NotChecked=0, Total=7140 [2021-10-16 03:18:54,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-16 03:18:54,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-10-16 03:18:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.030612244897959) internal successors, (101), 98 states have internal predecessors, (101), 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) [2021-10-16 03:18:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2021-10-16 03:18:54,718 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 61 [2021-10-16 03:18:54,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:18:54,720 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2021-10-16 03:18:54,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.4489795918367347) internal successors, (120), 49 states have internal predecessors, (120), 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) [2021-10-16 03:18:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2021-10-16 03:18:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-16 03:18:54,723 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:54,724 INFO L512 BasicCegarLoop]: trace histogram [30, 30, 6, 6, 6, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:54,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:54,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:55,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-10-16 03:18:55,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:55,328 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:55,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:55,328 INFO L82 PathProgramCache]: Analyzing trace with hash 333100921, now seen corresponding path program 3 times [2021-10-16 03:18:55,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:55,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369059793] [2021-10-16 03:18:55,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 03:18:55,330 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:55,332 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:55,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 03:18:55,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-16 03:18:55,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:18:55,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-16 03:18:55,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:18:56,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-10-16 03:18:57,465 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:18:57,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-10-16 03:18:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:18:57,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:18:58,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2021-10-16 03:19:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:19:14,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:19:14,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369059793] [2021-10-16 03:19:14,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369059793] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:19:14,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [777321086] [2021-10-16 03:19:14,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 03:19:14,678 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:19:14,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:19:14,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:19:14,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-16 03:19:15,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-16 03:19:15,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:19:15,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-16 03:19:15,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:19:16,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-10-16 03:19:16,782 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:19:16,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-10-16 03:19:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:19:16,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:19:17,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2021-10-16 03:19:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:19:32,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [777321086] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:19:32,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440566852] [2021-10-16 03:19:32,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 03:19:32,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:19:32,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:19:32,337 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:19:32,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-16 03:19:33,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-16 03:19:33,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:19:33,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-16 03:19:33,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:19:34,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-10-16 03:19:34,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:19:34,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-10-16 03:19:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:19:34,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:19:34,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2021-10-16 03:19:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-10-16 03:19:49,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440566852] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:19:49,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:19:49,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 16 [2021-10-16 03:19:49,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287034185] [2021-10-16 03:19:49,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-16 03:19:49,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:19:49,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-16 03:19:49,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-10-16 03:19:49,107 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 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) [2021-10-16 03:19:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:19:50,309 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2021-10-16 03:19:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 03:19:50,311 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 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 98 [2021-10-16 03:19:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:19:50,312 INFO L225 Difference]: With dead ends: 99 [2021-10-16 03:19:50,312 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:19:50,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1776.8ms TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2021-10-16 03:19:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:19:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:19:50,313 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) [2021-10-16 03:19:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:19:50,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2021-10-16 03:19:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:19:50,315 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:19:50,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 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) [2021-10-16 03:19:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:19:50,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:19:50,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:19:50,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-10-16 03:19:50,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-16 03:19:50,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 03:19:50,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:19:50,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:19:50,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:19:50,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:19:51,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:19:51,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:19:52,142 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 35 41) no Hoare annotation was computed. [2021-10-16 03:19:52,142 INFO L853 garLoopResultBuilder]: At program point L35-3(lines 35 41) the Hoare annotation is: (let ((.cse11 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|)) (.cse9 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#a~0.base|))) (let ((.cse0 (= ULTIMATE.start_init_~size (_ bv100000 32))) (.cse7 (= (select .cse9 |ULTIMATE.start_main_~#a~0.offset|) (_ bv0 32))) (.cse1 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse2 (= ULTIMATE.start_init_~a.offset |ULTIMATE.start_main_~#a~0.offset|)) (.cse8 (= (select .cse11 |ULTIMATE.start_main_~#a~0.offset|) (_ bv0 32))) (.cse3 (not (= (select .cse11 (bvadd (_ bv4294967292 32) (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset|)) (_ bv0 32)))) (.cse4 (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_init_~i~0) ULTIMATE.start_init_~size)) (.cse5 (exists ((ULTIMATE.start_init_~i~0 (_ BitVec 32))) (and (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_init_~i~0) (_ bv100000 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (bvadd (_ bv4294967292 32) (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset|)) (_ bv0 32))) (not (bvslt ULTIMATE.start_init_~i~0 (_ bv100000 32)))))) (.cse6 (= |ULTIMATE.start_main_~#a~0.offset| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~i~1 (_ bv0 32)) .cse6) (and .cse0 (= ULTIMATE.start_main_~i~1 (_ bv1 32)) .cse7 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (let ((.cse10 (bvadd (_ bv4 32) |ULTIMATE.start_main_~#a~0.offset|))) (and (= (select .cse9 .cse10) (_ bv0 32)) .cse0 .cse7 .cse1 (= (select .cse11 .cse10) (_ bv0 32)) (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_main_~i~1) (_ bv100000 32)) .cse2 .cse8 .cse3 .cse4 (exists ((ULTIMATE.start_init_~i~0 (_ BitVec 32))) (and (not (= (bvmul (_ bv4 32) ULTIMATE.start_init_~i~0) (bvmul (_ bv4 32) ULTIMATE.start_main_~i~1))) (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_init_~i~0) (_ bv100000 32)) (not (bvslt ULTIMATE.start_init_~i~0 (_ bv100000 32))))) .cse5 .cse6)) (= (_ bv1 32) ULTIMATE.start_main_~flag~0)))) [2021-10-16 03:19:52,142 INFO L857 garLoopResultBuilder]: For program point L35-4(lines 35 41) no Hoare annotation was computed. [2021-10-16 03:19:52,142 INFO L857 garLoopResultBuilder]: For program point L23-2(lines 23 26) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L853 garLoopResultBuilder]: At program point L23-3(lines 23 26) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_init_~size (_ bv100000 32))) (.cse1 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse2 (= ULTIMATE.start_init_~a.offset |ULTIMATE.start_main_~#a~0.offset|)) (.cse3 (= |ULTIMATE.start_main_~#a~0.offset| (_ bv0 32)))) (or (and .cse0 .cse1 (= ULTIMATE.start_init_~i~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (bvadd (_ bv4294967292 32) (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset|)) (_ bv0 32))) (bvslt (bvadd (_ bv4294967295 32) ULTIMATE.start_init_~i~0) ULTIMATE.start_init_~size) .cse3))) [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L20(lines 20 27) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-16 03:19:52,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:19:52,144 INFO L857 garLoopResultBuilder]: For program point L42-2(lines 42 46) no Hoare annotation was computed. [2021-10-16 03:19:52,144 INFO L853 garLoopResultBuilder]: At program point L42-3(lines 42 46) the Hoare annotation is: (not (= (_ bv0 32) ULTIMATE.start_main_~flag~0)) [2021-10-16 03:19:52,144 INFO L857 garLoopResultBuilder]: For program point L42-4(lines 42 46) no Hoare annotation was computed. [2021-10-16 03:19:52,144 INFO L860 garLoopResultBuilder]: At program point L47(lines 28 48) the Hoare annotation is: true [2021-10-16 03:19:52,148 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:19:52,156 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,159 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,165 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,165 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,165 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,166 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,171 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:19:52 BoogieIcfgContainer [2021-10-16 03:19:52,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:19:52,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:19:52,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:19:52,207 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:19:52,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:18:30" (3/4) ... [2021-10-16 03:19:52,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:19:52,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-16 03:19:52,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:19:52,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:19:52,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:19:52,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((size == 100000bv32 && a == a) && a == a) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && i == 0bv32) && a == 0bv32) || (((((((((size == 100000bv32 && i == 1bv32) && #memory_$Pointer$[a][a] == 0bv32) && a == a) && a == a) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && a == 0bv32)) || ((((((((((((#memory_$Pointer$[a][~bvadd64(4bv32, a)] == 0bv32 && size == 100000bv32) && #memory_$Pointer$[a][a] == 0bv32) && a == a) && #memory_$Pointer$[a][~bvadd64(4bv32, a)] == 0bv32) && ~bvslt32(~bvadd64(4294967295bv32, i), 100000bv32)) && a == a) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(~bvmul32(4bv32, ULTIMATE.start_init_~i~0) == ~bvmul32(4bv32, i)) && ~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && a == 0bv32)) || 1bv32 == flag [2021-10-16 03:19:52,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:19:52,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:19:52,261 INFO L168 Benchmark]: Toolchain (without parser) took 83060.29 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 44.4 MB in the beginning and 34.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,261 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:19:52,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.39 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 48.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.58 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 46.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,262 INFO L168 Benchmark]: Boogie Preprocessor took 45.88 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 45.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:19:52,263 INFO L168 Benchmark]: RCFGBuilder took 449.30 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 34.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,263 INFO L168 Benchmark]: TraceAbstraction took 82163.57 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 34.1 MB in the beginning and 36.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,264 INFO L168 Benchmark]: Witness Printer took 52.91 ms. Allocated memory is still 109.1 MB. Free memory was 36.9 MB in the beginning and 34.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:19:52,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.39 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 48.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.58 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 46.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.88 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 45.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 449.30 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 34.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82163.57 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 34.1 MB in the beginning and 36.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. * Witness Printer took 52.91 ms. Allocated memory is still 109.1 MB. Free memory was 36.9 MB in the beginning and 34.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82012.7ms, OverallIterations: 8, TraceHistogramMax: 30, EmptinessCheckTime: 39.3ms, AutomataDifference: 10184.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1222.6ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 125 SDtfs, 304 SDslu, 537 SDs, 0 SdLazy, 1738 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2267.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1500 GetRequests, 1322 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1336 ImplicationChecksByTransitivity, 11990.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=7, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 101.0ms AutomataMinimizationTime, 8 MinimizatonAttempts, 47 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 46 NumberOfFragments, 298 HoareAnnotationTreeSize, 4 FomulaSimplifications, 2137 FormulaSimplificationTreeSizeReduction, 197.6ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 132 FormulaSimplificationTreeSizeReductionInter, 1018.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 318.2ms SsaConstructionTime, 1048.5ms SatisfiabilityAnalysisTime, 61405.2ms InterpolantComputationTime, 738 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1438 ConstructedInterpolants, 294 QuantifiedInterpolants, 15219 SizeOfPredicates, 103 NumberOfNonLiveVariables, 1985 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 38 InterpolantComputations, 8 PerfectInterpolantSequences, 6165/7650 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 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant [2021-10-16 03:19:52,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((size == 100000bv32 && a == a) && i == 0bv32) && a == a) && a == 0bv32) || (((((size == 100000bv32 && a == a) && a == a) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && a == 0bv32) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: !(0bv32 == flag) - InvariantResult [Line: 35]: Loop Invariant [2021-10-16 03:19:52,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,295 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,295 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,295 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,296 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,300 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,301 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,301 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,302 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,302 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,302 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,304 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,307 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 03:19:52,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 03:19:52,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2021-10-16 03:19:52,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] Derived loop invariant: (((((((((size == 100000bv32 && a == a) && a == a) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && i == 0bv32) && a == 0bv32) || (((((((((size == 100000bv32 && i == 1bv32) && #memory_$Pointer$[a][a] == 0bv32) && a == a) && a == a) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && a == 0bv32)) || ((((((((((((#memory_$Pointer$[a][~bvadd64(4bv32, a)] == 0bv32 && size == 100000bv32) && #memory_$Pointer$[a][a] == 0bv32) && a == a) && #memory_$Pointer$[a][~bvadd64(4bv32, a)] == 0bv32) && ~bvslt32(~bvadd64(4294967295bv32, i), 100000bv32)) && a == a) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(i, 4bv32), a)] == 0bv32)) && ~bvslt32(~bvadd64(4294967295bv32, i), size)) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(~bvmul32(4bv32, ULTIMATE.start_init_~i~0) == ~bvmul32(4bv32, i)) && ~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(4294967295bv32, ULTIMATE.start_init_~i~0), 100000bv32) && !(#memory_$Pointer$[a][~bvadd64(4294967292bv32, ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a)] == 0bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && a == 0bv32)) || 1bv32 == flag RESULT: Ultimate proved your program to be correct! [2021-10-16 03:19:52,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c570c1b-a990-4721-9709-3ae93faa31fb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...