./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8 --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:43,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:43,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:43,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:43,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:43,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:43,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:43,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:43,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:43,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:43,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:43,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:43,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:43,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:43,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:43,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:43,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:43,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:43,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:43,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:43,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:43,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:43,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:43,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:43,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:43,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:43,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:43,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:43,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:43,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:43,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:43,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:43,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:43,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:43,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:43,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:43,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:43,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:43,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:43,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:43,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:43,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:49:43,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:43,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:43,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:43,715 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:43,716 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:43,716 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:43,716 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:49:43,716 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:43,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:43,717 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:49:43,718 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:49:43,718 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:43,718 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:49:43,718 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:49:43,718 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:49:43,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:43,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:43,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:43,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:43,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:49:43,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:43,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:43,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:43,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:43,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:43,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:43,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:43,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:43,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:43,723 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:49:43,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:49:43,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:43,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:43,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:43,724 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_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2021-11-07 01:49:44,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:44,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:44,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:44,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:44,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:44,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-11-07 01:49:44,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/fc2b5dd0f/78145e0ab85e4cef92ab2af139c1c439/FLAG42080b826 [2021-11-07 01:49:44,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:44,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-11-07 01:49:44,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/fc2b5dd0f/78145e0ab85e4cef92ab2af139c1c439/FLAG42080b826 [2021-11-07 01:49:44,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/fc2b5dd0f/78145e0ab85e4cef92ab2af139c1c439 [2021-11-07 01:49:44,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:44,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:44,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:44,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:44,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:44,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:44" (1/1) ... [2021-11-07 01:49:44,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508b6d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:44, skipping insertion in model container [2021-11-07 01:49:44,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:44" (1/1) ... [2021-11-07 01:49:44,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:45,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:45,268 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_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-11-07 01:49:45,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:45,402 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) [2021-11-07 01:49:45,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1844f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:45, skipping insertion in model container [2021-11-07 01:49:45,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:45,414 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:49:45,416 INFO L168 Benchmark]: Toolchain (without parser) took 452.04 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 47.4 MB in the beginning and 69.7 MB in the end (delta: -22.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:45,417 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 75.5 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:49:45,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.76 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 70.0 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:45,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 75.5 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.76 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 70.0 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 348]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8 --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:47,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:47,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:47,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:47,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:47,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:47,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:47,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:47,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:47,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:47,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:47,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:47,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:47,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:47,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:47,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:47,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:47,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:47,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:47,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:47,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:47,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:47,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:47,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:47,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:47,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:47,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:47,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:47,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:47,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:47,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:47,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:47,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:47,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:47,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:47,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:47,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:47,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:47,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:47,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:47,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:47,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:49:47,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:47,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:47,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:47,727 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:47,727 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:47,727 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:47,727 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:47,728 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:47,728 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:47,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:47,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:49:47,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:49:47,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:47,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:47,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:47,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:47,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:47,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:49:47,733 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:49:47,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:49:47,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:47,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:47,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:47,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:47,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:49:47,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:47,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:47,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:47,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:47,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:47,735 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:49:47,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:47,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:47,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:47,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:47,737 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_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2021-11-07 01:49:48,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:48,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:48,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:48,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:48,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:48,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-11-07 01:49:48,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/17af7b087/19d6e699c1204f789cd225cf6f5ad7d9/FLAG7733d8859 [2021-11-07 01:49:48,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:48,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-11-07 01:49:48,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/17af7b087/19d6e699c1204f789cd225cf6f5ad7d9/FLAG7733d8859 [2021-11-07 01:49:49,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/data/17af7b087/19d6e699c1204f789cd225cf6f5ad7d9 [2021-11-07 01:49:49,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:49,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:49,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:49,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:49,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:49,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:49,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be8d7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49, skipping insertion in model container [2021-11-07 01:49:49,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:49,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:49,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:49,496 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_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-11-07 01:49:49,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:49,732 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:49:49,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:49,767 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_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-11-07 01:49:49,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:49,858 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:49:49,884 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_58145aa4-510c-447b-869e-3937a20908b5/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-11-07 01:49:49,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:49,977 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:49:49,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49 WrapperNode [2021-11-07 01:49:49,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:49,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:49,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:49:49,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:49:49,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:50,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:49:50,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:49:50,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:49:50,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:49:50,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:49:50,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:49:50,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:49:50,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (1/1) ... [2021-11-07 01:49:50,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:50,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:50,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:49:50,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:49:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:49:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:49:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:49:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:49:52,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:49:52,604 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-11-07 01:49:52,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:52 BoogieIcfgContainer [2021-11-07 01:49:52,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:49:52,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:49:52,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:49:52,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:49:52,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:49:49" (1/3) ... [2021-11-07 01:49:52,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d9da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:52, skipping insertion in model container [2021-11-07 01:49:52,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:49" (2/3) ... [2021-11-07 01:49:52,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d9da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:52, skipping insertion in model container [2021-11-07 01:49:52,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:52" (3/3) ... [2021-11-07 01:49:52,614 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2021-11-07 01:49:52,620 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:49:52,620 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:49:52,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:49:52,703 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:49:52,703 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:49:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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) [2021-11-07 01:49:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:49:52,730 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:52,730 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:52,731 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:52,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2021-11-07 01:49:52,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:52,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922430273] [2021-11-07 01:49:52,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:52,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:52,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:52,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:52,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:49:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:52,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:49:52,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:53,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:53,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:53,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922430273] [2021-11-07 01:49:53,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922430273] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:53,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:53,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:49:53,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492210172] [2021-11-07 01:49:53,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:49:53,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:53,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:49:53,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:49:53,131 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:53,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:53,187 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-11-07 01:49:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:49:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:49:53,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:53,202 INFO L225 Difference]: With dead ends: 208 [2021-11-07 01:49:53,202 INFO L226 Difference]: Without dead ends: 103 [2021-11-07 01:49:53,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:49:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-07 01:49:53,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-07 01:49:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 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) [2021-11-07 01:49:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-11-07 01:49:53,255 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-11-07 01:49:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:53,256 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-11-07 01:49:53,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-11-07 01:49:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:49:53,258 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:53,258 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:53,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:49:53,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:53,468 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:53,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2021-11-07 01:49:53,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:53,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031509471] [2021-11-07 01:49:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:53,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:53,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:53,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:49:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:53,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:53,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:53,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:53,851 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:53,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031509471] [2021-11-07 01:49:53,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2031509471] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:53,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:53,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:49:53,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595191502] [2021-11-07 01:49:53,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:53,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:53,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:53,855 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:53,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:53,869 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-11-07 01:49:53,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:53,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:49:53,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:53,870 INFO L225 Difference]: With dead ends: 103 [2021-11-07 01:49:53,871 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 01:49:53,872 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:53,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 01:49:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 01:49:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 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) [2021-11-07 01:49:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-11-07 01:49:53,878 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-11-07 01:49:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:53,878 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-11-07 01:49:53,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-07 01:49:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:49:53,880 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:53,880 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:53,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:54,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,093 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:54,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2021-11-07 01:49:54,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:54,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265321338] [2021-11-07 01:49:54,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:54,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:54,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:54,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:49:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:54,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:54,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:54,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:54,464 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:54,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265321338] [2021-11-07 01:49:54,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265321338] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:54,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:54,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:49:54,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371918418] [2021-11-07 01:49:54,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:54,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:54,468 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-11-07 01:49:54,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:54,540 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-11-07 01:49:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:49:54,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) Word has length 22 [2021-11-07 01:49:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:54,545 INFO L225 Difference]: With dead ends: 146 [2021-11-07 01:49:54,546 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 01:49:54,546 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:54,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 01:49:54,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-11-07 01:49:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 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) [2021-11-07 01:49:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-11-07 01:49:54,566 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-11-07 01:49:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:54,566 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-11-07 01:49:54,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-11-07 01:49:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-11-07 01:49:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:49:54,570 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:54,570 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:54,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:54,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:54,783 INFO L85 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2021-11-07 01:49:54,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:54,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134265524] [2021-11-07 01:49:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:54,784 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:54,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:54,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:49:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:54,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:49:54,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:55,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:55,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:55,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134265524] [2021-11-07 01:49:55,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134265524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:55,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:55,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:49:55,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910260740] [2021-11-07 01:49:55,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:49:55,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:49:55,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:49:55,240 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:49:55,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:55,506 INFO L93 Difference]: Finished difference Result 483 states and 740 transitions. [2021-11-07 01:49:55,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:49:55,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 24 [2021-11-07 01:49:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:55,510 INFO L225 Difference]: With dead ends: 483 [2021-11-07 01:49:55,511 INFO L226 Difference]: Without dead ends: 425 [2021-11-07 01:49:55,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:49:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-11-07 01:49:55,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 166. [2021-11-07 01:49:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 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) [2021-11-07 01:49:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-11-07 01:49:55,538 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-11-07 01:49:55,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:55,539 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-11-07 01:49:55,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:49:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-11-07 01:49:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:49:55,541 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:55,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:55,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:55,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:55,753 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:55,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:55,754 INFO L85 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2021-11-07 01:49:55,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:55,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233648674] [2021-11-07 01:49:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:55,755 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:55,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:55,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:49:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:55,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:55,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:56,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:56,109 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:56,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233648674] [2021-11-07 01:49:56,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233648674] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:56,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:56,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:49:56,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099347654] [2021-11-07 01:49:56,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:49:56,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:56,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:49:56,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:56,112 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-11-07 01:49:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:57,499 INFO L93 Difference]: Finished difference Result 414 states and 606 transitions. [2021-11-07 01:49:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:57,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) Word has length 25 [2021-11-07 01:49:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:57,502 INFO L225 Difference]: With dead ends: 414 [2021-11-07 01:49:57,502 INFO L226 Difference]: Without dead ends: 254 [2021-11-07 01:49:57,503 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:57,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-07 01:49:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-11-07 01:49:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4223107569721116) internal successors, (357), 251 states have internal predecessors, (357), 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) [2021-11-07 01:49:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2021-11-07 01:49:57,538 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 25 [2021-11-07 01:49:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:57,538 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2021-11-07 01:49:57,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-11-07 01:49:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2021-11-07 01:49:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:49:57,540 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:57,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:57,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:57,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:57,753 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash 512849101, now seen corresponding path program 1 times [2021-11-07 01:49:57,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:57,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445720092] [2021-11-07 01:49:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:57,755 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:57,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:57,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:57,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:49:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:57,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:57,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:58,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:58,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:58,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445720092] [2021-11-07 01:49:58,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445720092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:58,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:58,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:49:58,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604776272] [2021-11-07 01:49:58,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:49:58,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:58,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:49:58,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:58,159 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-11-07 01:49:58,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:58,186 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-11-07 01:49:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:58,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-11-07 01:49:58,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:58,188 INFO L225 Difference]: With dead ends: 364 [2021-11-07 01:49:58,189 INFO L226 Difference]: Without dead ends: 118 [2021-11-07 01:49:58,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:58,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-07 01:49:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-07 01:49:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 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) [2021-11-07 01:49:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-11-07 01:49:58,205 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 26 [2021-11-07 01:49:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:58,205 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-11-07 01:49:58,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-11-07 01:49:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-11-07 01:49:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:49:58,212 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:58,213 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:58,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:58,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:58,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:58,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2021-11-07 01:49:58,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:58,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132081803] [2021-11-07 01:49:58,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:58,428 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:58,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:58,429 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:58,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:49:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:58,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:49:58,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:58,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:59,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:59,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132081803] [2021-11-07 01:49:59,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132081803] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:59,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1420316325] [2021-11-07 01:49:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:59,052 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:49:59,054 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:49:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:49:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:59,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:49:59,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:49:59,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:49:59,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1420316325] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:59,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:49:59,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:49:59,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776737001] [2021-11-07 01:49:59,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:49:59,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:59,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:49:59,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:49:59,589 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-07 01:49:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:59,708 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2021-11-07 01:49:59,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:49:59,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 41 [2021-11-07 01:49:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:59,709 INFO L225 Difference]: With dead ends: 242 [2021-11-07 01:49:59,710 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:49:59,710 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:49:59,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:49:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:49:59,711 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) [2021-11-07 01:49:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:49:59,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-11-07 01:49:59,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:59,712 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:49:59,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-07 01:49:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:49:59,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:49:59,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:59,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:59,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:59,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:59,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:00,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:50:00,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:50:00,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point L729-1(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point L729-2(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point L729-3(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,642 INFO L857 garLoopResultBuilder]: For program point L729-4(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,643 INFO L857 garLoopResultBuilder]: For program point L729-5(lines 729 746) no Hoare annotation was computed. [2021-11-07 01:50:00,643 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-11-07 01:50:00,643 INFO L853 garLoopResultBuilder]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,643 INFO L853 garLoopResultBuilder]: At program point L697(lines 696 715) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,643 INFO L857 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2021-11-07 01:50:00,643 INFO L853 garLoopResultBuilder]: At program point L697-2(lines 696 715) the Hoare annotation is: false [2021-11-07 01:50:00,644 INFO L853 garLoopResultBuilder]: At program point L697-3(lines 696 715) the Hoare annotation is: false [2021-11-07 01:50:00,644 INFO L853 garLoopResultBuilder]: At program point L104(lines 1 975) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,644 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2021-11-07 01:50:00,644 INFO L857 garLoopResultBuilder]: For program point L237-3(lines 237 241) no Hoare annotation was computed. [2021-11-07 01:50:00,644 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 138 152) the Hoare annotation is: false [2021-11-07 01:50:00,644 INFO L857 garLoopResultBuilder]: For program point L237-6(lines 237 241) no Hoare annotation was computed. [2021-11-07 01:50:00,644 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,644 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point L733-2(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point L733-3(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point L733-4(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point L733-5(lines 733 741) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-07 01:50:00,645 INFO L853 garLoopResultBuilder]: At program point L306(lines 301 309) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,645 INFO L853 garLoopResultBuilder]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2021-11-07 01:50:00,645 INFO L853 garLoopResultBuilder]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2021-11-07 01:50:00,645 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L274(lines 269 277) the Hoare annotation is: false [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L274-1(lines 269 277) the Hoare annotation is: false [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L274-2(lines 269 277) the Hoare annotation is: false [2021-11-07 01:50:00,646 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2021-11-07 01:50:00,646 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 697 703) no Hoare annotation was computed. [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L968(lines 917 969) the Hoare annotation is: false [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L704(lines 704 710) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,646 INFO L853 garLoopResultBuilder]: At program point L704-1(lines 704 710) the Hoare annotation is: false [2021-11-07 01:50:00,647 INFO L853 garLoopResultBuilder]: At program point L704-2(lines 704 710) the Hoare annotation is: false [2021-11-07 01:50:00,647 INFO L853 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,647 INFO L857 garLoopResultBuilder]: For program point L938(lines 938 944) no Hoare annotation was computed. [2021-11-07 01:50:00,647 INFO L853 garLoopResultBuilder]: At program point L938-1(lines 938 944) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,647 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-11-07 01:50:00,647 INFO L860 garLoopResultBuilder]: At program point L213-1(lines 213 220) the Hoare annotation is: true [2021-11-07 01:50:00,647 INFO L857 garLoopResultBuilder]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-9(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-11(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-12(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,648 INFO L857 garLoopResultBuilder]: For program point L874-14(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,649 INFO L857 garLoopResultBuilder]: For program point L874-15(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,649 INFO L857 garLoopResultBuilder]: For program point L874-17(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315-1(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,649 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 253) no Hoare annotation was computed. [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315-2(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315-3(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315-4(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,649 INFO L853 garLoopResultBuilder]: At program point L315-5(lines 310 318) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880-3(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880-4(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L853 garLoopResultBuilder]: At program point L880-5(lines 865 883) the Hoare annotation is: false [2021-11-07 01:50:00,650 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,650 INFO L857 garLoopResultBuilder]: For program point L121-1(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,651 INFO L857 garLoopResultBuilder]: For program point L121-2(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,651 INFO L857 garLoopResultBuilder]: For program point L948(lines 948 963) no Hoare annotation was computed. [2021-11-07 01:50:00,651 INFO L853 garLoopResultBuilder]: At program point L816(lines 809 819) the Hoare annotation is: false [2021-11-07 01:50:00,651 INFO L853 garLoopResultBuilder]: At program point L816-1(lines 809 819) the Hoare annotation is: false [2021-11-07 01:50:00,651 INFO L853 garLoopResultBuilder]: At program point L816-2(lines 809 819) the Hoare annotation is: false [2021-11-07 01:50:00,651 INFO L860 garLoopResultBuilder]: At program point L222(lines 203 225) the Hoare annotation is: true [2021-11-07 01:50:00,651 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 191) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point L919(lines 918 967) no Hoare annotation was computed. [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:50:00,652 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 975) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:50:00,652 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 975) the Hoare annotation is: false [2021-11-07 01:50:00,652 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 975) the Hoare annotation is: false [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L755(lines 755 772) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L755-1(lines 755 772) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L755-2(lines 755 772) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-11-07 01:50:00,653 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,653 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L853 garLoopResultBuilder]: At program point L956-1(lines 697 703) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:50:00,654 INFO L853 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:50:00,654 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2021-11-07 01:50:00,655 INFO L853 garLoopResultBuilder]: At program point L825-1(lines 820 828) the Hoare annotation is: false [2021-11-07 01:50:00,657 INFO L857 garLoopResultBuilder]: For program point L759(lines 759 767) no Hoare annotation was computed. [2021-11-07 01:50:00,657 INFO L853 garLoopResultBuilder]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2021-11-07 01:50:00,657 INFO L857 garLoopResultBuilder]: For program point L759-1(lines 759 767) no Hoare annotation was computed. [2021-11-07 01:50:00,658 INFO L857 garLoopResultBuilder]: For program point L759-2(lines 759 767) no Hoare annotation was computed. [2021-11-07 01:50:00,661 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:00,663 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:50:00,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:50:00 BoogieIcfgContainer [2021-11-07 01:50:00,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:50:00,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:50:00,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:50:00,679 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:50:00,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:52" (3/4) ... [2021-11-07 01:50:00,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:50:00,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:50:00,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:50:00,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:50:00,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:50:00,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:50:00,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:50:00,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:50:00,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:50:00,781 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:50:00,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:50:00,783 INFO L168 Benchmark]: Toolchain (without parser) took 11586.76 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 32.1 MB in the beginning and 39.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,783 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:50:00,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.17 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.69 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 47.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,785 INFO L168 Benchmark]: Boogie Preprocessor took 74.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 45.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,785 INFO L168 Benchmark]: RCFGBuilder took 2469.82 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.2 MB in the beginning and 60.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,786 INFO L168 Benchmark]: TraceAbstraction took 8069.96 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 48.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,786 INFO L168 Benchmark]: Witness Printer took 102.77 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 39.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:00,788 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 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.17 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.69 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 47.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 45.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2469.82 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.2 MB in the beginning and 60.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8069.96 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 48.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 102.77 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 39.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 121]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 121]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 121]: 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, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 545 SDtfs, 1013 SDslu, 808 SDs, 0 SdLazy, 153 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 304 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1621 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 54/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:50:00,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58145aa4-510c-447b-869e-3937a20908b5/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE