./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 465164c9d6bff671f00f1c9497719b8ddd91e991 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 465164c9d6bff671f00f1c9497719b8ddd91e991 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:51,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:51,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:51,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:51,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:51,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:51,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:51,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:51,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:51,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:51,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:51,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:51,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:51,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:51,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:51,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:51,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:51,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:51,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:51,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:51,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:51,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:51,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:51,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:51,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:51,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:51,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:51,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:51,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:51,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:51,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:51,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:51,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:51,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:51,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:51,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:51,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:51,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:51,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:51,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:51,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:51,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:51,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:51,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:51,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:51,632 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:51,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:51,633 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:51,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:51,633 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:51,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:51,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:51,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:51,634 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:51,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:51,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:51,635 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:51,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:51,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:51,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:51,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:51,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:51,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:51,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:51,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:51,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:51,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:51,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:51,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:51,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:51,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:51,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:51,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:51,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:51,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:51,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:51,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:51,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:51,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:51,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:51,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:51,642 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_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2021-10-11 02:26:51,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:51,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:51,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:51,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:51,957 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:51,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-10-11 02:26:52,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/b79d25772/2d4472780bf44f7aac054daf41e2930a/FLAG4a456e3bb [2021-10-11 02:26:52,594 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:52,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-10-11 02:26:52,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/b79d25772/2d4472780bf44f7aac054daf41e2930a/FLAG4a456e3bb [2021-10-11 02:26:52,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/b79d25772/2d4472780bf44f7aac054daf41e2930a [2021-10-11 02:26:52,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:52,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:52,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:52,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:52,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:52,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:52" (1/1) ... [2021-10-11 02:26:52,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a694085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:52, skipping insertion in model container [2021-10-11 02:26:52,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:52" (1/1) ... [2021-10-11 02:26:52,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:52,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:53,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2303,2316] [2021-10-11 02:26:53,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:53,367 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:26:53,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15be277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:53, skipping insertion in model container [2021-10-11 02:26:53,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:53,369 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:53,373 INFO L168 Benchmark]: Toolchain (without parser) took 456.72 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 80.6 MB in the beginning and 129.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:53,374 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:53,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.66 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 80.4 MB in the beginning and 129.0 MB in the end (delta: -48.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:53,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.66 ms. Allocated memory was 109.1 MB in the beginning and 157.3 MB in the end (delta: 48.2 MB). Free memory was 80.4 MB in the beginning and 129.0 MB in the end (delta: -48.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 408]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:55,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:55,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:55,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:55,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:55,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:55,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:55,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:55,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:55,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:55,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:55,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:55,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:55,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:55,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:55,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:55,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:55,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:55,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:55,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:55,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:55,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:55,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:55,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:55,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:55,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:55,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:55,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:55,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:55,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:55,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:55,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:55,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:55,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:55,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:55,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:55,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:55,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:55,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:55,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:55,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:55,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:55,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:55,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:55,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:55,769 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:55,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:55,770 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:55,770 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:55,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:55,770 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:55,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:55,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:55,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:55,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:55,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:55,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:55,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:55,775 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:55,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:55,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:55,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:55,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:55,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:55,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:55,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:55,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:55,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:55,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:55,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:55,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:55,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:55,778 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:55,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:55,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:55,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:55,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:55,779 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_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2021-10-11 02:26:56,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:56,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:56,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:56,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:56,227 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:56,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-10-11 02:26:56,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/5c252483c/fa1221ac49034605b58d64e11e7e3854/FLAG4babdb7ad [2021-10-11 02:26:56,898 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:56,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-10-11 02:26:56,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/5c252483c/fa1221ac49034605b58d64e11e7e3854/FLAG4babdb7ad [2021-10-11 02:26:57,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/data/5c252483c/fa1221ac49034605b58d64e11e7e3854 [2021-10-11 02:26:57,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:57,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:57,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:57,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:57,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:57,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:57,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526608e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57, skipping insertion in model container [2021-10-11 02:26:57,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:57,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:57,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:57,436 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2303,2316] [2021-10-11 02:26:57,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:57,594 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:57,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:57,641 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2303,2316] [2021-10-11 02:26:57,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:57,748 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:57,764 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2303,2316] [2021-10-11 02:26:57,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:57,902 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:57,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57 WrapperNode [2021-10-11 02:26:57,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:57,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:57,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:57,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:57,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:57,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:58,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:58,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:58,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:58,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... [2021-10-11 02:26:58,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:58,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:58,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:58,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:58,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:00,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:00,599 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 02:27:00,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:00 BoogieIcfgContainer [2021-10-11 02:27:00,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:00,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:00,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:00,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:00,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:57" (1/3) ... [2021-10-11 02:27:00,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d02691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:00, skipping insertion in model container [2021-10-11 02:27:00,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:57" (2/3) ... [2021-10-11 02:27:00,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d02691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:00, skipping insertion in model container [2021-10-11 02:27:00,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:00" (3/3) ... [2021-10-11 02:27:00,613 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2021-10-11 02:27:00,627 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:00,631 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:00,642 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:00,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:00,685 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:00,685 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:00,685 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:00,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:00,685 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:00,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:00,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-10-11 02:27:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:27:00,714 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:00,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:00,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:00,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:00,722 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2021-10-11 02:27:00,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:00,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617051126] [2021-10-11 02:27:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:01,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:01,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:01,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:01,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617051126] [2021-10-11 02:27:01,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:01,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:01,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187196517] [2021-10-11 02:27:01,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:01,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:01,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:01,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:01,149 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2021-10-11 02:27:01,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:01,180 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-10-11 02:27:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:01,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:27:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:01,192 INFO L225 Difference]: With dead ends: 215 [2021-10-11 02:27:01,193 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 02:27:01,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:01,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 02:27:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-11 02:27:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 02:27:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2021-10-11 02:27:01,241 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2021-10-11 02:27:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:01,242 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2021-10-11 02:27:01,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-10-11 02:27:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:27:01,244 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:01,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:01,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:01,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:01,468 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2021-10-11 02:27:01,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:01,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002787773] [2021-10-11 02:27:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:01,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:01,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:01,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:01,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002787773] [2021-10-11 02:27:01,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:01,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:01,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273223819] [2021-10-11 02:27:01,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:01,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:01,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:01,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:01,809 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2021-10-11 02:27:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:01,843 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2021-10-11 02:27:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:01,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:27:01,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:01,846 INFO L225 Difference]: With dead ends: 107 [2021-10-11 02:27:01,848 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:27:01,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:01,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:27:01,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:27:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:27:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:27:01,865 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-10-11 02:27:01,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:01,869 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:27:01,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:27:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:27:01,873 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:01,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:02,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:02,093 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:02,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:02,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2021-10-11 02:27:02,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:02,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864559762] [2021-10-11 02:27:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:02,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:02,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:02,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:02,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864559762] [2021-10-11 02:27:02,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:02,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:02,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572414228] [2021-10-11 02:27:02,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:02,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:02,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:02,399 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:27:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:02,437 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2021-10-11 02:27:02,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:02,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:27:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:02,443 INFO L225 Difference]: With dead ends: 127 [2021-10-11 02:27:02,443 INFO L226 Difference]: Without dead ends: 87 [2021-10-11 02:27:02,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:02,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-11 02:27:02,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-10-11 02:27:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-10-11 02:27:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2021-10-11 02:27:02,464 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2021-10-11 02:27:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:02,465 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2021-10-11 02:27:02,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2021-10-11 02:27:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:27:02,467 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:02,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:02,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:02,685 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:02,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:02,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2021-10-11 02:27:02,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:02,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113412066] [2021-10-11 02:27:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:02,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:02,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:02,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:02,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113412066] [2021-10-11 02:27:02,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:02,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:02,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31593184] [2021-10-11 02:27:02,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:02,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:02,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:02,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:02,991 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2021-10-11 02:27:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:03,162 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2021-10-11 02:27:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:03,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:27:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:03,166 INFO L225 Difference]: With dead ends: 409 [2021-10-11 02:27:03,166 INFO L226 Difference]: Without dead ends: 333 [2021-10-11 02:27:03,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-10-11 02:27:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2021-10-11 02:27:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2021-10-11 02:27:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2021-10-11 02:27:03,213 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2021-10-11 02:27:03,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:03,215 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2021-10-11 02:27:03,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-10-11 02:27:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:27:03,222 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:03,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:03,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:27:03,438 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:03,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:03,438 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2021-10-11 02:27:03,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:03,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574152048] [2021-10-11 02:27:03,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:03,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:03,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:03,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:03,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574152048] [2021-10-11 02:27:03,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:03,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:03,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881353139] [2021-10-11 02:27:03,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:03,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:03,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:03,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:03,707 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2021-10-11 02:27:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:03,844 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2021-10-11 02:27:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:03,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:27:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:03,845 INFO L225 Difference]: With dead ends: 359 [2021-10-11 02:27:03,845 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:27:03,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:27:03,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:27:03,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:27:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:27:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:27:03,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-11 02:27:03,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:03,855 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:27:03,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:27:03,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:27:04,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:27:04,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:27:04,533 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,534 INFO L258 CegarLoopResult]: At program point L267(lines 262 270) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,534 INFO L258 CegarLoopResult]: At program point L267-1(lines 262 270) the Hoare annotation is: false [2021-10-11 02:27:04,535 INFO L262 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-10-11 02:27:04,535 INFO L258 CegarLoopResult]: At program point L267-2(lines 262 270) the Hoare annotation is: false [2021-10-11 02:27:04,535 INFO L262 CegarLoopResult]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2021-10-11 02:27:04,535 INFO L262 CegarLoopResult]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2021-10-11 02:27:04,535 INFO L262 CegarLoopResult]: For program point L763(lines 763 780) no Hoare annotation was computed. [2021-10-11 02:27:04,536 INFO L258 CegarLoopResult]: At program point L763-1(lines 1 970) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,536 INFO L258 CegarLoopResult]: At program point L796-2(lines 796 810) the Hoare annotation is: false [2021-10-11 02:27:04,536 INFO L262 CegarLoopResult]: For program point L763-2(lines 763 780) no Hoare annotation was computed. [2021-10-11 02:27:04,536 INFO L258 CegarLoopResult]: At program point L763-3(lines 1 970) the Hoare annotation is: false [2021-10-11 02:27:04,536 INFO L262 CegarLoopResult]: For program point L763-4(lines 763 780) no Hoare annotation was computed. [2021-10-11 02:27:04,537 INFO L258 CegarLoopResult]: At program point L763-5(lines 1 970) the Hoare annotation is: false [2021-10-11 02:27:04,537 INFO L258 CegarLoopResult]: At program point L367(lines 1 970) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:04,537 INFO L262 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2021-10-11 02:27:04,539 INFO L262 CegarLoopResult]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,539 INFO L262 CegarLoopResult]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,539 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:27:04,540 INFO L262 CegarLoopResult]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,540 INFO L262 CegarLoopResult]: For program point L171-3(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,540 INFO L262 CegarLoopResult]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,540 INFO L262 CegarLoopResult]: For program point L171-5(lines 171 188) no Hoare annotation was computed. [2021-10-11 02:27:04,540 INFO L258 CegarLoopResult]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,540 INFO L262 CegarLoopResult]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-10-11 02:27:04,541 INFO L258 CegarLoopResult]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2021-10-11 02:27:04,541 INFO L258 CegarLoopResult]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2021-10-11 02:27:04,541 INFO L262 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2021-10-11 02:27:04,541 INFO L262 CegarLoopResult]: For program point L767(lines 767 777) no Hoare annotation was computed. [2021-10-11 02:27:04,541 INFO L262 CegarLoopResult]: For program point L800-1(lines 139 145) no Hoare annotation was computed. [2021-10-11 02:27:04,541 INFO L262 CegarLoopResult]: For program point L767-2(lines 767 777) no Hoare annotation was computed. [2021-10-11 02:27:04,542 INFO L262 CegarLoopResult]: For program point L767-4(lines 767 777) no Hoare annotation was computed. [2021-10-11 02:27:04,542 INFO L262 CegarLoopResult]: For program point L768(lines 768 774) no Hoare annotation was computed. [2021-10-11 02:27:04,542 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 774) no Hoare annotation was computed. [2021-10-11 02:27:04,543 INFO L262 CegarLoopResult]: For program point L768-4(lines 768 774) no Hoare annotation was computed. [2021-10-11 02:27:04,543 INFO L258 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,543 INFO L258 CegarLoopResult]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,543 INFO L262 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-10-11 02:27:04,544 INFO L258 CegarLoopResult]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,544 INFO L262 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2021-10-11 02:27:04,545 INFO L258 CegarLoopResult]: At program point L967-3(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,546 INFO L258 CegarLoopResult]: At program point L967-4(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,546 INFO L265 CegarLoopResult]: At program point L868-1(lines 868 875) the Hoare annotation is: true [2021-10-11 02:27:04,546 INFO L258 CegarLoopResult]: At program point L967-5(lines 962 970) the Hoare annotation is: false [2021-10-11 02:27:04,546 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175-4(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L175-5(lines 175 183) no Hoare annotation was computed. [2021-10-11 02:27:04,547 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:27:04,548 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,548 INFO L258 CegarLoopResult]: At program point L375(lines 370 378) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:04,548 INFO L258 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,549 INFO L258 CegarLoopResult]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2021-10-11 02:27:04,550 INFO L258 CegarLoopResult]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2021-10-11 02:27:04,550 INFO L265 CegarLoopResult]: At program point L877(lines 858 880) the Hoare annotation is: true [2021-10-11 02:27:04,550 INFO L258 CegarLoopResult]: At program point L844(lines 840 846) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:04,550 INFO L262 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,550 INFO L262 CegarLoopResult]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,550 INFO L262 CegarLoopResult]: For program point L316-3(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,551 INFO L262 CegarLoopResult]: For program point L316-5(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,551 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,551 INFO L262 CegarLoopResult]: For program point L316-6(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,551 INFO L262 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,552 INFO L262 CegarLoopResult]: For program point L316-8(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,552 INFO L262 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,552 INFO L262 CegarLoopResult]: For program point L316-9(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,552 INFO L262 CegarLoopResult]: For program point L316-11(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,552 INFO L262 CegarLoopResult]: For program point L316-12(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point L316-14(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point L316-15(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point L316-17(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L262 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-10-11 02:27:04,553 INFO L258 CegarLoopResult]: At program point L322(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,554 INFO L258 CegarLoopResult]: At program point L322-1(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:27:04,554 INFO L258 CegarLoopResult]: At program point L322-2(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,554 INFO L258 CegarLoopResult]: At program point L322-3(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,554 INFO L258 CegarLoopResult]: At program point L322-4(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,554 INFO L258 CegarLoopResult]: At program point L322-5(lines 307 325) the Hoare annotation is: false [2021-10-11 02:27:04,555 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:27:04,555 INFO L258 CegarLoopResult]: At program point L752(lines 747 754) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:04,555 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:27:04,555 INFO L258 CegarLoopResult]: At program point L258(lines 251 261) the Hoare annotation is: false [2021-10-11 02:27:04,555 INFO L258 CegarLoopResult]: At program point L258-1(lines 251 261) the Hoare annotation is: false [2021-10-11 02:27:04,555 INFO L258 CegarLoopResult]: At program point L258-2(lines 251 261) the Hoare annotation is: false [2021-10-11 02:27:04,555 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:27:04,556 INFO L258 CegarLoopResult]: At program point L93-1(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,556 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:27:04,556 INFO L262 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-10-11 02:27:04,556 INFO L262 CegarLoopResult]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-10-11 02:27:04,556 INFO L262 CegarLoopResult]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-10-11 02:27:04,556 INFO L262 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2021-10-11 02:27:04,557 INFO L262 CegarLoopResult]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2021-10-11 02:27:04,557 INFO L262 CegarLoopResult]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2021-10-11 02:27:04,557 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:27:04,557 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2021-10-11 02:27:04,558 INFO L262 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2021-10-11 02:27:04,558 INFO L258 CegarLoopResult]: At program point L330-1(lines 330 336) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,558 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:27:04,558 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,559 INFO L258 CegarLoopResult]: At program point L926(lines 921 929) the Hoare annotation is: false [2021-10-11 02:27:04,559 INFO L258 CegarLoopResult]: At program point L926-1(lines 921 929) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:04,560 INFO L258 CegarLoopResult]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2021-10-11 02:27:04,560 INFO L258 CegarLoopResult]: At program point L926-3(lines 921 929) the Hoare annotation is: false [2021-10-11 02:27:04,560 INFO L258 CegarLoopResult]: At program point L926-4(lines 921 929) the Hoare annotation is: false [2021-10-11 02:27:04,560 INFO L258 CegarLoopResult]: At program point L926-5(lines 921 929) the Hoare annotation is: false [2021-10-11 02:27:04,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:04 BoogieIcfgContainer [2021-10-11 02:27:04,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:04,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:04,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:04,602 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:04,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:00" (3/4) ... [2021-10-11 02:27:04,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:27:04,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:27:04,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:27:04,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:27:04,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:27:04,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:27:04,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:04,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:04,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:27:04,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0985d261-ee23-4d56-b2fb-c350caa70a48/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:04,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:04,777 INFO L168 Benchmark]: Toolchain (without parser) took 7573.51 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.0 MB in the beginning and 60.7 MB in the end (delta: -29.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,777 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:04,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.41 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.8 MB in the beginning and 35.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.12 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 49.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,778 INFO L168 Benchmark]: Boogie Preprocessor took 73.32 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 46.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,779 INFO L168 Benchmark]: RCFGBuilder took 2505.45 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.7 MB in the beginning and 51.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,779 INFO L168 Benchmark]: TraceAbstraction took 3995.60 ms. Allocated memory is still 81.8 MB. Free memory was 51.0 MB in the beginning and 29.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,779 INFO L168 Benchmark]: Witness Printer took 173.28 ms. Allocated memory is still 81.8 MB. Free memory was 29.9 MB in the beginning and 60.7 MB in the end (delta: -30.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:04,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.41 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.8 MB in the beginning and 35.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.12 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 49.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.32 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 46.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2505.45 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.7 MB in the beginning and 51.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3995.60 ms. Allocated memory is still 81.8 MB. Free memory was 51.0 MB in the beginning and 29.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 173.28 ms. Allocated memory is still 81.8 MB. Free memory was 29.9 MB in the beginning and 60.7 MB in the end (delta: -30.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 118]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 118]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 427 SDslu, 454 SDs, 0 SdLazy, 70 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 146 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5453 SizeOfPredicates, 7 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...