./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 11c7d5bbf13f298913183f1602cb6deb34fce4ea ............................................................................................................................................ 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 11c7d5bbf13f298913183f1602cb6deb34fce4ea .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:22:48,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:48,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:48,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:48,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:48,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:48,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:48,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:48,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:48,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:48,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:48,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:48,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:48,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:48,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:48,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:48,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:48,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:48,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:48,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:48,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:48,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:48,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:48,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:48,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:48,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:48,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:48,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:48,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:48,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:48,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:48,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:48,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:48,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:48,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:48,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:48,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:48,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:48,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:48,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:48,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:48,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:48,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:48,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:48,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:48,649 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:48,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:48,650 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:48,650 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:48,650 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:48,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:48,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:48,657 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:48,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:48,658 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:48,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:48,658 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:48,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:48,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:48,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:48,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:48,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:48,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:48,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:48,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:48,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:48,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:48,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:48,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:48,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:48,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:48,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:48,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:48,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:48,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:48,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:48,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:48,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:48,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:48,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:48,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:48,665 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11c7d5bbf13f298913183f1602cb6deb34fce4ea [2021-10-11 02:22:48,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:48,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:48,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:48,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:48,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:48,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-11 02:22:49,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/48909a02e/edc879e27f054f1f98476533839ea9a0/FLAG05b8044a1 [2021-10-11 02:22:49,587 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:49,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-11 02:22:49,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/48909a02e/edc879e27f054f1f98476533839ea9a0/FLAG05b8044a1 [2021-10-11 02:22:49,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/48909a02e/edc879e27f054f1f98476533839ea9a0 [2021-10-11 02:22:49,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:49,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:49,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:49,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:49,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:49,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:49" (1/1) ... [2021-10-11 02:22:49,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200cc4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:49, skipping insertion in model container [2021-10-11 02:22:49,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:49" (1/1) ... [2021-10-11 02:22:49,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:50,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:50,161 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1281,1294] [2021-10-11 02:22:50,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:50,309 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 02:22:50,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5539de02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:50, skipping insertion in model container [2021-10-11 02:22:50,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:50,320 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:50,322 INFO L168 Benchmark]: Toolchain (without parser) took 411.31 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 88.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:50,323 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 117.4 MB. Free memory was 89.0 MB in the beginning and 89.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:50,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.28 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 88.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:50,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 117.4 MB. Free memory was 89.0 MB in the beginning and 89.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.28 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 88.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 557]: 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 02:22:52,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:52,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:52,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:52,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:52,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:52,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:52,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:52,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:52,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:52,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:52,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:52,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:52,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:52,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:52,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:52,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:52,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:52,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:52,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:52,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:52,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:52,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:52,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:52,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:52,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:52,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:52,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:52,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:52,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:52,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:52,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:52,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:52,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:52,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:52,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:52,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:52,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:52,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:52,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:52,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:52,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:52,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:52,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:52,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:52,663 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:52,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:52,663 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:52,664 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:52,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:52,664 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:52,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:52,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:52,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:52,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:52,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:52,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:52,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:52,668 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:52,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:52,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:52,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:52,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:52,669 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:52,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:52,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:52,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:52,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:52,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:52,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:52,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:52,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:52,671 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:52,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:52,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:52,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:52,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:52,672 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11c7d5bbf13f298913183f1602cb6deb34fce4ea [2021-10-11 02:22:53,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:53,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:53,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:53,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:53,112 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:53,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-11 02:22:53,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/302377761/3924ae9bcf224db184dcd634db359a68/FLAG490503db1 [2021-10-11 02:22:53,674 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:53,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-11 02:22:53,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/302377761/3924ae9bcf224db184dcd634db359a68/FLAG490503db1 [2021-10-11 02:22:54,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/data/302377761/3924ae9bcf224db184dcd634db359a68 [2021-10-11 02:22:54,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:54,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:54,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:54,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:54,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:54,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5886e815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54, skipping insertion in model container [2021-10-11 02:22:54,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:54,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:54,295 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1281,1294] [2021-10-11 02:22:54,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:54,503 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:54,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:54,549 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1281,1294] [2021-10-11 02:22:54,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:54,620 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:54,633 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_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1281,1294] [2021-10-11 02:22:54,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:54,745 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:54,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54 WrapperNode [2021-10-11 02:22:54,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:54,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:54,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:54,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:54,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:54,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:54,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:54,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:54,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:54,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:54,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:54,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:54,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:22:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:57,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:57,757 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-11 02:22:57,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:57 BoogieIcfgContainer [2021-10-11 02:22:57,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:57,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:57,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:57,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:57,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:54" (1/3) ... [2021-10-11 02:22:57,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9224aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:57, skipping insertion in model container [2021-10-11 02:22:57,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (2/3) ... [2021-10-11 02:22:57,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9224aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:57, skipping insertion in model container [2021-10-11 02:22:57,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:57" (3/3) ... [2021-10-11 02:22:57,766 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2021-10-11 02:22:57,779 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:57,782 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:57,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:57,816 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:57,816 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:57,816 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:57,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:57,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:57,817 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:57,817 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:57,817 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2021-10-11 02:22:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:22:57,838 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:57,838 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 02:22:57,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:57,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1201783907, now seen corresponding path program 1 times [2021-10-11 02:22:57,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:57,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467475905] [2021-10-11 02:22:57,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:22:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:58,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:58,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:58,185 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 02:22:58,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:58,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467475905] [2021-10-11 02:22:58,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:58,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:58,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310240877] [2021-10-11 02:22:58,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:58,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:58,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:58,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:58,206 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2021-10-11 02:22:58,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:58,244 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2021-10-11 02:22:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:58,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:22:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:58,256 INFO L225 Difference]: With dead ends: 384 [2021-10-11 02:22:58,256 INFO L226 Difference]: Without dead ends: 191 [2021-10-11 02:22:58,260 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 02:22:58,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-11 02:22:58,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-11 02:22:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2021-10-11 02:22:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2021-10-11 02:22:58,307 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2021-10-11 02:22:58,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:58,307 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2021-10-11 02:22:58,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2021-10-11 02:22:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:58,309 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:58,309 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 02:22:58,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:58,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash 290753154, now seen corresponding path program 1 times [2021-10-11 02:22:58,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:58,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857505193] [2021-10-11 02:22:58,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:22:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:58,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:58,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:58,829 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 02:22:58,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:58,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857505193] [2021-10-11 02:22:58,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:58,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:58,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150610746] [2021-10-11 02:22:58,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:58,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:58,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:58,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:58,834 INFO L87 Difference]: Start difference. First operand 191 states and 285 transitions. Second operand 3 states. [2021-10-11 02:22:58,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:58,850 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2021-10-11 02:22:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:58,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:22:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:58,853 INFO L225 Difference]: With dead ends: 191 [2021-10-11 02:22:58,853 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:22:58,854 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 02:22:58,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:22:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:22:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:22:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-11 02:22:58,862 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-11 02:22:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:58,862 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-11 02:22:58,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-11 02:22:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:58,864 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:58,864 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 02:22:59,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:59,086 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:59,088 INFO L82 PathProgramCache]: Analyzing trace with hash -2129855336, now seen corresponding path program 1 times [2021-10-11 02:22:59,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:59,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373688840] [2021-10-11 02:22:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:22:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:59,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:59,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:59,374 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 02:22:59,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:59,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373688840] [2021-10-11 02:22:59,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:59,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:59,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217598892] [2021-10-11 02:22:59,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:59,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:59,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:59,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:59,377 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2021-10-11 02:22:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:59,390 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2021-10-11 02:22:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:59,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:59,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:59,392 INFO L225 Difference]: With dead ends: 140 [2021-10-11 02:22:59,393 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:22:59,393 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 02:22:59,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:22:59,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:22:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:22:59,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-11 02:22:59,402 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-11 02:22:59,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:59,403 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-11 02:22:59,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:59,403 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-11 02:22:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:22:59,404 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:59,404 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 02:22:59,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:59,625 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:59,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:59,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1287566232, now seen corresponding path program 1 times [2021-10-11 02:22:59,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:59,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586643218] [2021-10-11 02:22:59,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:22:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:59,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:59,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:59,854 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 02:22:59,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:59,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586643218] [2021-10-11 02:22:59,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:59,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:59,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758938231] [2021-10-11 02:22:59,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:59,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:59,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:59,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:59,858 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2021-10-11 02:22:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:59,945 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 02:22:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:59,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 02:22:59,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:59,947 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:22:59,947 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 02:22:59,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:22:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 02:22:59,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2021-10-11 02:22:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 02:22:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2021-10-11 02:22:59,958 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2021-10-11 02:22:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:59,959 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2021-10-11 02:22:59,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-10-11 02:22:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:22:59,960 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:59,960 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:00,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:00,178 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:00,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:00,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1887369033, now seen corresponding path program 1 times [2021-10-11 02:23:00,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:00,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174783467] [2021-10-11 02:23:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/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 02:23:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:00,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:00,416 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 02:23:00,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:00,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174783467] [2021-10-11 02:23:00,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:00,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:00,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079131244] [2021-10-11 02:23:00,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:00,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:00,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:00,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:00,419 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand 5 states. [2021-10-11 02:23:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:00,521 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-10-11 02:23:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:00,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:23:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:00,524 INFO L225 Difference]: With dead ends: 216 [2021-10-11 02:23:00,524 INFO L226 Difference]: Without dead ends: 140 [2021-10-11 02:23:00,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:23:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-11 02:23:00,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-10-11 02:23:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 02:23:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2021-10-11 02:23:00,536 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2021-10-11 02:23:00,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:00,537 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2021-10-11 02:23:00,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-10-11 02:23:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:23:00,538 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:00,538 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:00,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:00,758 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:00,758 INFO L82 PathProgramCache]: Analyzing trace with hash 759972940, now seen corresponding path program 1 times [2021-10-11 02:23:00,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:00,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903917961] [2021-10-11 02:23:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:00,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:00,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:01,028 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 02:23:01,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:01,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903917961] [2021-10-11 02:23:01,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:01,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:01,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074785575] [2021-10-11 02:23:01,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:01,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:01,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:01,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:01,039 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand 5 states. [2021-10-11 02:23:01,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:01,223 INFO L93 Difference]: Finished difference Result 444 states and 625 transitions. [2021-10-11 02:23:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:01,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:23:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:01,226 INFO L225 Difference]: With dead ends: 444 [2021-10-11 02:23:01,226 INFO L226 Difference]: Without dead ends: 359 [2021-10-11 02:23:01,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-11 02:23:01,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 139. [2021-10-11 02:23:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:23:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2021-10-11 02:23:01,247 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 33 [2021-10-11 02:23:01,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:01,247 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2021-10-11 02:23:01,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-10-11 02:23:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:23:01,249 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:01,249 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:01,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:23:01,465 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:01,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1917268878, now seen corresponding path program 1 times [2021-10-11 02:23:01,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:01,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414302772] [2021-10-11 02:23:01,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:01,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:23:01,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:01,677 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 02:23:01,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:01,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414302772] [2021-10-11 02:23:01,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:01,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:01,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925069886] [2021-10-11 02:23:01,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:01,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:01,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:01,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:01,679 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand 4 states. [2021-10-11 02:23:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:02,794 INFO L93 Difference]: Finished difference Result 363 states and 502 transitions. [2021-10-11 02:23:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:23:02,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:23:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:02,797 INFO L225 Difference]: With dead ends: 363 [2021-10-11 02:23:02,797 INFO L226 Difference]: Without dead ends: 278 [2021-10-11 02:23:02,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:02,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-11 02:23:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 271. [2021-10-11 02:23:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2021-10-11 02:23:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 368 transitions. [2021-10-11 02:23:02,826 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 368 transitions. Word has length 34 [2021-10-11 02:23:02,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:02,826 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 368 transitions. [2021-10-11 02:23:02,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 368 transitions. [2021-10-11 02:23:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:23:02,828 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:02,828 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:03,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:23:03,043 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:03,044 INFO L82 PathProgramCache]: Analyzing trace with hash 906151628, now seen corresponding path program 1 times [2021-10-11 02:23:03,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:03,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696889005] [2021-10-11 02:23:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:03,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:23:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:03,266 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 02:23:03,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:03,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696889005] [2021-10-11 02:23:03,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:03,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:03,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755944079] [2021-10-11 02:23:03,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:03,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:03,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:03,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:03,269 INFO L87 Difference]: Start difference. First operand 271 states and 368 transitions. Second operand 4 states. [2021-10-11 02:23:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:03,374 INFO L93 Difference]: Finished difference Result 715 states and 983 transitions. [2021-10-11 02:23:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:03,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:23:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:03,378 INFO L225 Difference]: With dead ends: 715 [2021-10-11 02:23:03,378 INFO L226 Difference]: Without dead ends: 495 [2021-10-11 02:23:03,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-10-11 02:23:03,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 274. [2021-10-11 02:23:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-10-11 02:23:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 370 transitions. [2021-10-11 02:23:03,408 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 370 transitions. Word has length 34 [2021-10-11 02:23:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:03,409 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 370 transitions. [2021-10-11 02:23:03,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 370 transitions. [2021-10-11 02:23:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:23:03,410 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:03,410 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:03,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:23:03,623 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2003254137, now seen corresponding path program 1 times [2021-10-11 02:23:03,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:03,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349234409] [2021-10-11 02:23:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:03,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:03,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:03,879 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 02:23:03,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:03,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349234409] [2021-10-11 02:23:03,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:03,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:03,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012646009] [2021-10-11 02:23:03,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:03,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:03,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:03,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:03,882 INFO L87 Difference]: Start difference. First operand 274 states and 370 transitions. Second operand 5 states. [2021-10-11 02:23:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:05,339 INFO L93 Difference]: Finished difference Result 734 states and 1014 transitions. [2021-10-11 02:23:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:05,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:23:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:05,344 INFO L225 Difference]: With dead ends: 734 [2021-10-11 02:23:05,344 INFO L226 Difference]: Without dead ends: 466 [2021-10-11 02:23:05,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:05,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-11 02:23:05,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 221. [2021-10-11 02:23:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2021-10-11 02:23:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 289 transitions. [2021-10-11 02:23:05,372 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 289 transitions. Word has length 34 [2021-10-11 02:23:05,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:05,372 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 289 transitions. [2021-10-11 02:23:05,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 289 transitions. [2021-10-11 02:23:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:23:05,374 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:05,375 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:05,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:23:05,590 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:05,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1164317066, now seen corresponding path program 1 times [2021-10-11 02:23:05,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:05,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136427460] [2021-10-11 02:23:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:05,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:05,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:05,831 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 02:23:05,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:05,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136427460] [2021-10-11 02:23:05,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:05,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:05,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523154518] [2021-10-11 02:23:05,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:05,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:05,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:05,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:05,833 INFO L87 Difference]: Start difference. First operand 221 states and 289 transitions. Second operand 5 states. [2021-10-11 02:23:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:05,924 INFO L93 Difference]: Finished difference Result 609 states and 807 transitions. [2021-10-11 02:23:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:05,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:23:05,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:05,927 INFO L225 Difference]: With dead ends: 609 [2021-10-11 02:23:05,927 INFO L226 Difference]: Without dead ends: 394 [2021-10-11 02:23:05,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 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 02:23:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-11 02:23:05,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 209. [2021-10-11 02:23:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2021-10-11 02:23:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 269 transitions. [2021-10-11 02:23:05,957 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 269 transitions. Word has length 34 [2021-10-11 02:23:05,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:05,957 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 269 transitions. [2021-10-11 02:23:05,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 269 transitions. [2021-10-11 02:23:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:23:05,958 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:05,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-10-11 02:23:06,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:23:06,176 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash 602597855, now seen corresponding path program 1 times [2021-10-11 02:23:06,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:06,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244209783] [2021-10-11 02:23:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:06,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:23:06,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:23:06,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:06,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244209783] [2021-10-11 02:23:06,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:06,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:06,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907192289] [2021-10-11 02:23:06,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:06,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:06,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:06,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:06,439 INFO L87 Difference]: Start difference. First operand 209 states and 269 transitions. Second operand 4 states. [2021-10-11 02:23:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:06,494 INFO L93 Difference]: Finished difference Result 449 states and 586 transitions. [2021-10-11 02:23:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:23:06,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-10-11 02:23:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:06,497 INFO L225 Difference]: With dead ends: 449 [2021-10-11 02:23:06,498 INFO L226 Difference]: Without dead ends: 272 [2021-10-11 02:23:06,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-10-11 02:23:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 198. [2021-10-11 02:23:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:23:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 254 transitions. [2021-10-11 02:23:06,532 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 254 transitions. Word has length 51 [2021-10-11 02:23:06,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:06,532 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 254 transitions. [2021-10-11 02:23:06,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 254 transitions. [2021-10-11 02:23:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:23:06,534 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:06,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2021-10-11 02:23:06,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:23:06,746 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:06,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:06,746 INFO L82 PathProgramCache]: Analyzing trace with hash 99994719, now seen corresponding path program 1 times [2021-10-11 02:23:06,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:06,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144004177] [2021-10-11 02:23:06,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:06,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:06,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:07,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:07,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144004177] [2021-10-11 02:23:07,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:07,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:07,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047343238] [2021-10-11 02:23:07,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:07,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:07,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:07,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:07,003 INFO L87 Difference]: Start difference. First operand 198 states and 254 transitions. Second operand 5 states. [2021-10-11 02:23:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:07,182 INFO L93 Difference]: Finished difference Result 1028 states and 1299 transitions. [2021-10-11 02:23:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:23:07,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-10-11 02:23:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:07,188 INFO L225 Difference]: With dead ends: 1028 [2021-10-11 02:23:07,188 INFO L226 Difference]: Without dead ends: 836 [2021-10-11 02:23:07,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 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 02:23:07,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-10-11 02:23:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 388. [2021-10-11 02:23:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2021-10-11 02:23:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 488 transitions. [2021-10-11 02:23:07,245 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 488 transitions. Word has length 52 [2021-10-11 02:23:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:07,246 INFO L481 AbstractCegarLoop]: Abstraction has 388 states and 488 transitions. [2021-10-11 02:23:07,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 488 transitions. [2021-10-11 02:23:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:23:07,247 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:07,247 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:07,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:23:07,463 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:07,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:07,463 INFO L82 PathProgramCache]: Analyzing trace with hash -42529499, now seen corresponding path program 1 times [2021-10-11 02:23:07,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:07,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571721091] [2021-10-11 02:23:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:07,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:07,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:07,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:07,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571721091] [2021-10-11 02:23:07,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1290211110] [2021-10-11 02:23:07,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:07,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:23:07,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:08,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:08,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209320269] [2021-10-11 02:23:08,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:08,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:08,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:08,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:08,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:23:08,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-11 02:23:08,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093496760] [2021-10-11 02:23:08,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:23:08,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:08,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:23:08,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:08,314 INFO L87 Difference]: Start difference. First operand 388 states and 488 transitions. Second operand 8 states. [2021-10-11 02:23:09,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:09,970 INFO L93 Difference]: Finished difference Result 966 states and 1203 transitions. [2021-10-11 02:23:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:09,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2021-10-11 02:23:09,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:09,975 INFO L225 Difference]: With dead ends: 966 [2021-10-11 02:23:09,975 INFO L226 Difference]: Without dead ends: 584 [2021-10-11 02:23:09,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:23:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-10-11 02:23:10,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 366. [2021-10-11 02:23:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 02:23:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 446 transitions. [2021-10-11 02:23:10,027 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 446 transitions. Word has length 53 [2021-10-11 02:23:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:10,028 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 446 transitions. [2021-10-11 02:23:10,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:23:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 446 transitions. [2021-10-11 02:23:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:23:10,029 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:10,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2021-10-11 02:23:10,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:10,643 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:10,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:10,644 INFO L82 PathProgramCache]: Analyzing trace with hash 280626892, now seen corresponding path program 1 times [2021-10-11 02:23:10,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:10,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547094541] [2021-10-11 02:23:10,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:10,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:23:10,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:10,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:10,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547094541] [2021-10-11 02:23:10,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:10,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:10,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711661315] [2021-10-11 02:23:10,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:10,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:10,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:10,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:10,889 INFO L87 Difference]: Start difference. First operand 366 states and 446 transitions. Second operand 6 states. [2021-10-11 02:23:12,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:12,611 INFO L93 Difference]: Finished difference Result 1184 states and 1451 transitions. [2021-10-11 02:23:12,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 02:23:12,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2021-10-11 02:23:12,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:12,616 INFO L225 Difference]: With dead ends: 1184 [2021-10-11 02:23:12,616 INFO L226 Difference]: Without dead ends: 874 [2021-10-11 02:23:12,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:23:12,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-11 02:23:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 366. [2021-10-11 02:23:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 02:23:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 445 transitions. [2021-10-11 02:23:12,673 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 445 transitions. Word has length 54 [2021-10-11 02:23:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:12,673 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 445 transitions. [2021-10-11 02:23:12,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 445 transitions. [2021-10-11 02:23:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:23:12,674 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:12,675 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:12,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2021-10-11 02:23:12,892 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:12,892 INFO L82 PathProgramCache]: Analyzing trace with hash 103606007, now seen corresponding path program 1 times [2021-10-11 02:23:12,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:12,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394409502] [2021-10-11 02:23:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:13,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:13,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:23:13,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:13,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394409502] [2021-10-11 02:23:13,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:13,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:23:13,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619655472] [2021-10-11 02:23:13,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:13,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:13,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:13,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:13,093 INFO L87 Difference]: Start difference. First operand 366 states and 445 transitions. Second operand 6 states. [2021-10-11 02:23:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:13,437 INFO L93 Difference]: Finished difference Result 1421 states and 1748 transitions. [2021-10-11 02:23:13,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:23:13,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2021-10-11 02:23:13,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:13,444 INFO L225 Difference]: With dead ends: 1421 [2021-10-11 02:23:13,444 INFO L226 Difference]: Without dead ends: 1111 [2021-10-11 02:23:13,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:23:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-10-11 02:23:13,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 366. [2021-10-11 02:23:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 02:23:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 443 transitions. [2021-10-11 02:23:13,508 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 443 transitions. Word has length 54 [2021-10-11 02:23:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:13,509 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 443 transitions. [2021-10-11 02:23:13,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 443 transitions. [2021-10-11 02:23:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-11 02:23:13,510 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:13,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:13,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2021-10-11 02:23:13,727 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:13,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:13,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1991996669, now seen corresponding path program 1 times [2021-10-11 02:23:13,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:13,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286462569] [2021-10-11 02:23:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:13,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:13,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:13,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:14,025 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:14,025 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:14,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286462569] [2021-10-11 02:23:14,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1255694236] [2021-10-11 02:23:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:14,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:14,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 02:23:14,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:14,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:23:14,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:23:14,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777523911] [2021-10-11 02:23:14,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:14,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:14,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:14,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:23:14,379 INFO L87 Difference]: Start difference. First operand 366 states and 443 transitions. Second operand 5 states. [2021-10-11 02:23:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:14,591 INFO L93 Difference]: Finished difference Result 1244 states and 1533 transitions. [2021-10-11 02:23:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:14,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-10-11 02:23:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:14,597 INFO L225 Difference]: With dead ends: 1244 [2021-10-11 02:23:14,597 INFO L226 Difference]: Without dead ends: 934 [2021-10-11 02:23:14,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:23:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2021-10-11 02:23:14,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 378. [2021-10-11 02:23:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2021-10-11 02:23:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 455 transitions. [2021-10-11 02:23:14,690 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 455 transitions. Word has length 60 [2021-10-11 02:23:14,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:14,690 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 455 transitions. [2021-10-11 02:23:14,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 455 transitions. [2021-10-11 02:23:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-11 02:23:14,691 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:14,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:15,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,20 cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:15,103 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1733831231, now seen corresponding path program 1 times [2021-10-11 02:23:15,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:15,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525513987] [2021-10-11 02:23:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:15,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:15,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:15,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525513987] [2021-10-11 02:23:15,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1029373751] [2021-10-11 02:23:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:15,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:15,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:15,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:15,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641867415] [2021-10-11 02:23:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:15,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:15,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:15,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:23:16,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:23:16,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-11 02:23:16,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913545351] [2021-10-11 02:23:16,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:23:16,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:23:16,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:23:16,052 INFO L87 Difference]: Start difference. First operand 378 states and 455 transitions. Second operand 10 states. [2021-10-11 02:23:18,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:18,321 INFO L93 Difference]: Finished difference Result 2537 states and 3105 transitions. [2021-10-11 02:23:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-11 02:23:18,322 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2021-10-11 02:23:18,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:18,333 INFO L225 Difference]: With dead ends: 2537 [2021-10-11 02:23:18,333 INFO L226 Difference]: Without dead ends: 2215 [2021-10-11 02:23:18,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 343 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-10-11 02:23:18,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2021-10-11 02:23:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 534. [2021-10-11 02:23:18,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2021-10-11 02:23:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 649 transitions. [2021-10-11 02:23:18,434 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 649 transitions. Word has length 60 [2021-10-11 02:23:18,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:18,435 INFO L481 AbstractCegarLoop]: Abstraction has 534 states and 649 transitions. [2021-10-11 02:23:18,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:23:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 649 transitions. [2021-10-11 02:23:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-11 02:23:18,442 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:18,442 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 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, 1] [2021-10-11 02:23:19,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3,22 cvc4 --incremental --print-success --lang smt,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:19,063 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:19,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1035911456, now seen corresponding path program 1 times [2021-10-11 02:23:19,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:19,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562541796] [2021-10-11 02:23:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:19,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:19,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-11 02:23:19,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:19,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562541796] [2021-10-11 02:23:19,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:19,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:23:19,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199245366] [2021-10-11 02:23:19,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:19,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:19,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:19,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:19,444 INFO L87 Difference]: Start difference. First operand 534 states and 649 transitions. Second operand 6 states. [2021-10-11 02:23:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:21,081 INFO L93 Difference]: Finished difference Result 1747 states and 2128 transitions. [2021-10-11 02:23:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:23:21,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2021-10-11 02:23:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:21,086 INFO L225 Difference]: With dead ends: 1747 [2021-10-11 02:23:21,086 INFO L226 Difference]: Without dead ends: 1219 [2021-10-11 02:23:21,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:23:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-10-11 02:23:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 487. [2021-10-11 02:23:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2021-10-11 02:23:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 588 transitions. [2021-10-11 02:23:21,169 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 588 transitions. Word has length 135 [2021-10-11 02:23:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:21,170 INFO L481 AbstractCegarLoop]: Abstraction has 487 states and 588 transitions. [2021-10-11 02:23:21,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 588 transitions. [2021-10-11 02:23:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-11 02:23:21,172 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:21,172 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 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 02:23:21,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 mathsat -unsat_core_generation=3 [2021-10-11 02:23:21,381 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:21,382 INFO L82 PathProgramCache]: Analyzing trace with hash -996229845, now seen corresponding path program 1 times [2021-10-11 02:23:21,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:21,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610147865] [2021-10-11 02:23:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:21,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:21,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-11 02:23:21,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:21,821 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:21,822 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-11 02:23:21,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610147865] [2021-10-11 02:23:21,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [838814553] [2021-10-11 02:23:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:22,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:23:22,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-11 02:23:22,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-11 02:23:22,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874949378] [2021-10-11 02:23:22,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:22,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:23:22,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-11 02:23:22,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:23,018 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:23,018 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-11 02:23:23,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-11 02:23:23,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-10-11 02:23:23,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987300305] [2021-10-11 02:23:23,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:23:23,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:23:23,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-10-11 02:23:23,171 INFO L87 Difference]: Start difference. First operand 487 states and 588 transitions. Second operand 8 states. [2021-10-11 02:23:26,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:26,389 INFO L93 Difference]: Finished difference Result 2787 states and 3442 transitions. [2021-10-11 02:23:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-11 02:23:26,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2021-10-11 02:23:26,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:26,397 INFO L225 Difference]: With dead ends: 2787 [2021-10-11 02:23:26,397 INFO L226 Difference]: Without dead ends: 2306 [2021-10-11 02:23:26,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 825 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-10-11 02:23:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2021-10-11 02:23:26,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 640. [2021-10-11 02:23:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2021-10-11 02:23:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 776 transitions. [2021-10-11 02:23:26,550 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 776 transitions. Word has length 141 [2021-10-11 02:23:26,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:26,550 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 776 transitions. [2021-10-11 02:23:26,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:23:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 776 transitions. [2021-10-11 02:23:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-11 02:23:26,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:26,553 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 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 02:23:27,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 mathsat -unsat_core_generation=3 [2021-10-11 02:23:27,156 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:27,157 INFO L82 PathProgramCache]: Analyzing trace with hash 569861295, now seen corresponding path program 2 times [2021-10-11 02:23:27,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:27,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083812757] [2021-10-11 02:23:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:27,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:27,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-11 02:23:27,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:27,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083812757] [2021-10-11 02:23:27,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:27,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:27,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746330849] [2021-10-11 02:23:27,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:27,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:27,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:27,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:27,458 INFO L87 Difference]: Start difference. First operand 640 states and 776 transitions. Second operand 5 states. [2021-10-11 02:23:27,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:27,533 INFO L93 Difference]: Finished difference Result 951 states and 1143 transitions. [2021-10-11 02:23:27,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:27,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2021-10-11 02:23:27,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:27,534 INFO L225 Difference]: With dead ends: 951 [2021-10-11 02:23:27,534 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:27,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 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 02:23:27,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:27,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2021-10-11 02:23:27,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:27,535 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:27,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:27,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:27,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 mathsat -unsat_core_generation=3 [2021-10-11 02:23:27,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:29,360 WARN L197 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 366 DAG size of output: 305 [2021-10-11 02:23:29,926 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 233 [2021-10-11 02:23:30,437 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 207 [2021-10-11 02:23:30,595 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-10-11 02:23:30,888 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 169 [2021-10-11 02:23:31,197 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 159 [2021-10-11 02:23:31,380 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 173 [2021-10-11 02:23:32,008 WARN L197 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 306 [2021-10-11 02:23:35,651 WARN L197 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 287 DAG size of output: 41 [2021-10-11 02:23:36,135 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-10-11 02:23:38,228 WARN L197 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 224 DAG size of output: 50 [2021-10-11 02:23:38,742 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 33 [2021-10-11 02:23:40,470 WARN L197 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2021-10-11 02:23:41,371 WARN L197 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 46 [2021-10-11 02:23:41,555 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2021-10-11 02:23:42,561 WARN L197 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 34 [2021-10-11 02:23:42,776 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-10-11 02:23:43,827 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2021-10-11 02:23:45,018 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 167 DAG size of output: 54 [2021-10-11 02:23:48,211 WARN L197 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 290 DAG size of output: 42 [2021-10-11 02:23:48,354 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2021-10-11 02:23:48,811 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 44 [2021-10-11 02:23:48,817 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,818 INFO L258 CegarLoopResult]: At program point L367(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,818 INFO L258 CegarLoopResult]: At program point L367-1(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,818 INFO L258 CegarLoopResult]: At program point L367-2(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,818 INFO L258 CegarLoopResult]: At program point L367-3(lines 352 370) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse12 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse14 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse4 .cse6 .cse9 .cse7 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse1 .cse4 .cse9 .cse7 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8))) [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-4(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-5(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-6(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-7(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-8(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,819 INFO L258 CegarLoopResult]: At program point L367-9(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,820 INFO L258 CegarLoopResult]: At program point L367-10(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,820 INFO L258 CegarLoopResult]: At program point L367-11(lines 352 370) the Hoare annotation is: false [2021-10-11 02:23:48,820 INFO L258 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv0 32) ~pumpRunning~0) .cse3 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse1 (= (_ bv1 32) ~pumpRunning~0) .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))))) [2021-10-11 02:23:48,820 INFO L258 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2021-10-11 02:23:48,820 INFO L258 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2021-10-11 02:23:48,820 INFO L262 CegarLoopResult]: For program point L104(lines 103 148) no Hoare annotation was computed. [2021-10-11 02:23:48,821 INFO L258 CegarLoopResult]: At program point L435(lines 430 438) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse5 .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6))) [2021-10-11 02:23:48,821 INFO L258 CegarLoopResult]: At program point L435-1(lines 430 438) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse11 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse12 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse9 .cse10 .cse4 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse4 .cse11 .cse5 .cse12 .cse13 .cse14) (and .cse1 .cse2 .cse7 .cse3 .cse10 .cse4))) [2021-10-11 02:23:48,821 INFO L258 CegarLoopResult]: At program point L435-2(lines 430 438) the Hoare annotation is: false [2021-10-11 02:23:48,821 INFO L258 CegarLoopResult]: At program point L435-3(lines 430 438) the Hoare annotation is: false [2021-10-11 02:23:48,822 INFO L258 CegarLoopResult]: At program point L303(lines 296 306) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse5 .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6))) [2021-10-11 02:23:48,822 INFO L258 CegarLoopResult]: At program point L435-4(lines 430 438) the Hoare annotation is: false [2021-10-11 02:23:48,822 INFO L258 CegarLoopResult]: At program point L303-1(lines 296 306) the Hoare annotation is: false [2021-10-11 02:23:48,822 INFO L258 CegarLoopResult]: At program point L435-5(lines 430 438) the Hoare annotation is: false [2021-10-11 02:23:48,822 INFO L262 CegarLoopResult]: For program point L237(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,822 INFO L258 CegarLoopResult]: At program point L303-2(lines 296 306) the Hoare annotation is: false [2021-10-11 02:23:48,822 INFO L262 CegarLoopResult]: For program point L237-1(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,822 INFO L262 CegarLoopResult]: For program point L237-2(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,822 INFO L262 CegarLoopResult]: For program point L237-3(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L237-4(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L237-5(lines 237 245) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L139(lines 139 143) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L139-2(lines 175 181) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L504(lines 504 524) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L504-2(lines 504 524) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L504-4(lines 504 524) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,823 INFO L262 CegarLoopResult]: For program point L207-1(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-2(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-3(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-4(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-5(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-6(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-7(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-8(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,824 INFO L262 CegarLoopResult]: For program point L207-9(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,825 INFO L262 CegarLoopResult]: For program point L207-10(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,825 INFO L262 CegarLoopResult]: For program point L207-11(lines 207 224) no Hoare annotation was computed. [2021-10-11 02:23:48,825 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,825 INFO L258 CegarLoopResult]: At program point L175(lines 174 193) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse10 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10) (and .cse0 .cse6 .cse7 .cse8 .cse2 .cse3 .cse9 .cse10))) [2021-10-11 02:23:48,825 INFO L262 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2021-10-11 02:23:48,825 INFO L258 CegarLoopResult]: At program point L175-2(lines 174 193) the Hoare annotation is: false [2021-10-11 02:23:48,826 INFO L258 CegarLoopResult]: At program point L76(lines 1 989) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:48,826 INFO L258 CegarLoopResult]: At program point L175-3(lines 174 193) the Hoare annotation is: false [2021-10-11 02:23:48,826 INFO L262 CegarLoopResult]: For program point L475(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,826 INFO L262 CegarLoopResult]: For program point L475-1(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,826 INFO L262 CegarLoopResult]: For program point L475-2(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,826 INFO L262 CegarLoopResult]: For program point L475-3(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,826 INFO L262 CegarLoopResult]: For program point L475-4(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-5(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-6(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-7(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-8(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L211-1(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-9(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L475-10(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,827 INFO L262 CegarLoopResult]: For program point L211-3(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L475-11(lines 475 481) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-4(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-5(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-6(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-7(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-8(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-9(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-10(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L211-11(lines 211 219) no Hoare annotation was computed. [2021-10-11 02:23:48,828 INFO L262 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-10-11 02:23:48,829 INFO L262 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-11 02:23:48,829 INFO L258 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse12 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse2 .cse10 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse12 .cse10 .cse5 .cse7) (and .cse2 .cse12 .cse10 .cse11 .cse5) (and .cse1 .cse0 .cse2 .cse10 .cse5 .cse6 .cse7) (and .cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse4 .cse11 .cse5 .cse6 .cse8 .cse9))) [2021-10-11 02:23:48,829 INFO L258 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-11 02:23:48,829 INFO L262 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2021-10-11 02:23:48,829 INFO L258 CegarLoopResult]: At program point L510-1(lines 1 989) the Hoare annotation is: (let ((.cse12 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv1 32))) (.cse10 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse14 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse7 .cse8 .cse9 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3)) (and .cse10 .cse11 .cse0 .cse12 .cse13 .cse3 .cse14) (and .cse0 .cse12 .cse13 .cse7 .cse3) (and .cse11 .cse10 .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse14 .cse5 .cse9 .cse6))) [2021-10-11 02:23:48,829 INFO L262 CegarLoopResult]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2021-10-11 02:23:48,829 INFO L258 CegarLoopResult]: At program point L510-3(lines 1 989) the Hoare annotation is: false [2021-10-11 02:23:48,829 INFO L262 CegarLoopResult]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2021-10-11 02:23:48,829 INFO L258 CegarLoopResult]: At program point L510-5(lines 1 989) the Hoare annotation is: false [2021-10-11 02:23:48,830 INFO L258 CegarLoopResult]: At program point L312(lines 307 315) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) [2021-10-11 02:23:48,830 INFO L258 CegarLoopResult]: At program point L312-1(lines 307 315) the Hoare annotation is: false [2021-10-11 02:23:48,830 INFO L258 CegarLoopResult]: At program point L312-2(lines 307 315) the Hoare annotation is: false [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L380-2(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L380-3(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L380-5(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,830 INFO L258 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse10 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse12 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11 .cse5) (and .cse1 .cse10 .cse11 .cse12 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse12 .cse6 .cse5 .cse7 .cse8 .cse9))) [2021-10-11 02:23:48,830 INFO L262 CegarLoopResult]: For program point L380-6(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L149(lines 102 150) the Hoare annotation is: false [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L182-1(lines 182 188) the Hoare annotation is: false [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-8(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L182-2(lines 182 188) the Hoare annotation is: false [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-9(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-11(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-12(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-14(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-15(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L262 CegarLoopResult]: For program point L380-17(lines 380 384) no Hoare annotation was computed. [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L480(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L480-1(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,831 INFO L258 CegarLoopResult]: At program point L480-2(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-3(lines 471 484) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse8) (and .cse6 .cse0 .cse7 .cse1 .cse3 .cse8))) [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-4(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-5(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-6(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-7(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-8(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,832 INFO L258 CegarLoopResult]: At program point L480-9(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L480-10(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L480-11(lines 471 484) the Hoare annotation is: false [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L910-1(lines 175 181) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L265 CegarLoopResult]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-11 02:23:48,833 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L386(lines 371 389) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L386-1(lines 371 389) the Hoare annotation is: false [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L386-2(lines 371 389) the Hoare annotation is: false [2021-10-11 02:23:48,833 INFO L258 CegarLoopResult]: At program point L386-3(lines 371 389) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L386-4(lines 371 389) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L386-5(lines 371 389) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L262 CegarLoopResult]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L123-1(lines 123 129) the Hoare annotation is: (let ((.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse9 .cse10) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse7 .cse8 .cse4 .cse3 .cse9 .cse10))) [2021-10-11 02:23:48,834 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:48,834 INFO L262 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490(lines 485 493) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490-1(lines 485 493) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490-2(lines 485 493) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490-3(lines 485 493) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490-4(lines 485 493) the Hoare annotation is: false [2021-10-11 02:23:48,834 INFO L258 CegarLoopResult]: At program point L490-5(lines 485 493) the Hoare annotation is: false [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L265 CegarLoopResult]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-11 02:23:48,835 INFO L258 CegarLoopResult]: At program point L954(lines 950 956) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L361-3(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L361-5(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,835 INFO L262 CegarLoopResult]: For program point L361-6(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-8(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-9(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-11(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-12(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-14(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-15(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-17(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-18(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-20(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-21(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-23(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-24(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-26(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-27(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-29(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-30(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-32(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L361-33(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,836 INFO L262 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L361-35(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L398-3(lines 398 402) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L233-1(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,837 INFO L262 CegarLoopResult]: For program point L398-6(lines 398 402) no Hoare annotation was computed. [2021-10-11 02:23:48,838 INFO L262 CegarLoopResult]: For program point L233-2(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,838 INFO L262 CegarLoopResult]: For program point L233-3(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,838 INFO L262 CegarLoopResult]: For program point L233-4(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,838 INFO L262 CegarLoopResult]: For program point L233-5(lines 233 250) no Hoare annotation was computed. [2021-10-11 02:23:48,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:48 BoogieIcfgContainer [2021-10-11 02:23:48,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:48,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:48,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:48,902 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:48,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:57" (3/4) ... [2021-10-11 02:23:48,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:48,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:23:48,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:23:48,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:23:48,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:23:48,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:48,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:48,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:48,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && \result == 1bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && 2bv32 == tmp___0) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) [2021-10-11 02:23:48,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && tmp == 0bv32) [2021-10-11 02:23:48,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-11 02:23:48,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32)) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) [2021-10-11 02:23:48,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) [2021-10-11 02:23:48,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:23:48,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) || ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) [2021-10-11 02:23:48,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) || (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) [2021-10-11 02:23:48,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) [2021-10-11 02:23:48,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:23:48,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:23:48,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && \result == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && tmp == 0bv32 [2021-10-11 02:23:48,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && tmp == 0bv32 [2021-10-11 02:23:48,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32 [2021-10-11 02:23:49,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312b1f81-c9bb-4b91-bc60-290ba7e5fcca/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:49,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:49,053 INFO L168 Benchmark]: Toolchain (without parser) took 55016.56 ms. Allocated memory was 58.7 MB in the beginning and 343.9 MB in the end (delta: 285.2 MB). Free memory was 35.5 MB in the beginning and 271.6 MB in the end (delta: -236.1 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,053 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:49,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.41 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.3 MB in the beginning and 42.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.79 ms. Allocated memory is still 75.5 MB. Free memory was 42.9 MB in the beginning and 38.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,054 INFO L168 Benchmark]: Boogie Preprocessor took 119.97 ms. Allocated memory is still 75.5 MB. Free memory was 38.1 MB in the beginning and 54.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,055 INFO L168 Benchmark]: RCFGBuilder took 2808.90 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 53.6 MB in the end (delta: 783.0 kB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,055 INFO L168 Benchmark]: TraceAbstraction took 51140.45 ms. Allocated memory was 94.4 MB in the beginning and 343.9 MB in the end (delta: 249.6 MB). Free memory was 53.1 MB in the beginning and 287.3 MB in the end (delta: -234.2 MB). Peak memory consumption was 196.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,056 INFO L168 Benchmark]: Witness Printer took 150.39 ms. Allocated memory is still 343.9 MB. Free memory was 287.3 MB in the beginning and 271.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 707.41 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.3 MB in the beginning and 42.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.79 ms. Allocated memory is still 75.5 MB. Free memory was 42.9 MB in the beginning and 38.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 119.97 ms. Allocated memory is still 75.5 MB. Free memory was 38.1 MB in the beginning and 54.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2808.90 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 53.6 MB in the end (delta: 783.0 kB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51140.45 ms. Allocated memory was 94.4 MB in the beginning and 343.9 MB in the end (delta: 249.6 MB). Free memory was 53.1 MB in the beginning and 287.3 MB in the end (delta: -234.2 MB). Peak memory consumption was 196.3 MB. Max. memory is 16.1 GB. * Witness Printer took 150.39 ms. Allocated memory is still 343.9 MB. Free memory was 287.3 MB in the beginning and 271.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 174]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32)) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) || (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) || ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && tmp == 0bv32 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((((((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && \result == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && tmp == 0bv32 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && \result == 1bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && 2bv32 == tmp___0) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp == 1bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((((tmp == 1bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == tmp) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == \result) && tmp == 0bv32) && \result == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.9s, OverallIterations: 20, TraceHistogramMax: 5, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2861 SDtfs, 5207 SDslu, 6140 SDs, 0 SdLazy, 939 SolverSat, 203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2549 GetRequests, 2387 SyntacticMatches, 5 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 7557 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 177 NumberOfFragments, 1602 HoareAnnotationTreeSize, 69 FomulaSimplifications, 2643160804 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 105020342 FormulaSimplificationTreeSizeReductionInter, 16.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1659 NumberOfCodeBlocks, 1659 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2444 ConstructedInterpolants, 0 QuantifiedInterpolants, 635506 SizeOfPredicates, 75 NumberOfNonLiveVariables, 6870 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 37 InterpolantComputations, 18 PerfectInterpolantSequences, 1490/1994 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...