./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:01,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:01,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:01,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:01,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:01,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:01,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:01,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:01,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:01,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:01,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:01,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:01,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:01,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:01,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:01,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:01,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:01,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:01,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:01,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:02,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:02,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:02,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:02,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:02,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:02,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:02,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:02,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:02,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:02,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:02,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:02,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:02,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:02,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:02,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:02,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:02,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:02,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:02,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:02,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:02,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:02,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:23:02,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:02,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:02,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:02,069 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:02,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:02,070 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:02,070 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:23:02,070 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:02,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:02,076 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:23:02,077 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:23:02,078 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:02,078 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:23:02,078 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:23:02,078 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:23:02,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:02,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:02,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:02,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:02,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:02,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:02,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:02,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:02,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:02,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:02,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:02,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:02,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:02,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:02,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:02,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:02,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:02,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:02,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:02,086 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:23:02,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:23:02,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:02,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:02,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:02,087 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_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-11-07 01:23:02,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:02,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:02,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:02,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:02,356 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:02,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-11-07 01:23:02,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/ccc5aa167/ad9c47ef39a04c4f9ade83fe124a4235/FLAGc21fb1c07 [2021-11-07 01:23:02,934 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:02,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-11-07 01:23:02,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/ccc5aa167/ad9c47ef39a04c4f9ade83fe124a4235/FLAGc21fb1c07 [2021-11-07 01:23:03,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/ccc5aa167/ad9c47ef39a04c4f9ade83fe124a4235 [2021-11-07 01:23:03,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:03,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:03,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:03,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:03,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:03,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:03" (1/1) ... [2021-11-07 01:23:03,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e88b15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:03, skipping insertion in model container [2021-11-07 01:23:03,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:03" (1/1) ... [2021-11-07 01:23:03,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:03,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:03,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-11-07 01:23:03,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:03,737 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:23:03,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f6d2f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:03, skipping insertion in model container [2021-11-07 01:23:03,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:03,739 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:03,742 INFO L168 Benchmark]: Toolchain (without parser) took 465.82 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 110.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:03,743 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:03,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.20 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 110.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:03,748 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 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 463.20 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 110.7 MB in the end (delta: -9.5 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: 497]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:06,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:06,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:06,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:06,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:06,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:06,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:06,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:06,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:06,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:06,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:06,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:06,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:06,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:06,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:06,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:06,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:06,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:06,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:06,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:06,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:06,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:06,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:06,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:06,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:06,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:06,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:06,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:06,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:06,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:06,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:06,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:06,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:06,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:06,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:06,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:06,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:06,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:06,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:06,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:06,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:06,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:23:06,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:06,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:06,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:06,149 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:06,149 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:06,149 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:06,149 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:06,149 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:06,150 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:06,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:06,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:06,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:06,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:06,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:06,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:06,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:06,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:06,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:23:06,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:23:06,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:06,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:06,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:06,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:06,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:06,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:23:06,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:06,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:06,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:06,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:06,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:06,157 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:23:06,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:23:06,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:06,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:06,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:06,158 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_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-11-07 01:23:06,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:06,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:06,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:06,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:06,600 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:06,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-11-07 01:23:06,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/9d17210a9/49a3f93242ec49478882d5e142e5d6e5/FLAG63c09ada7 [2021-11-07 01:23:07,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:07,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-11-07 01:23:07,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/9d17210a9/49a3f93242ec49478882d5e142e5d6e5/FLAG63c09ada7 [2021-11-07 01:23:07,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/data/9d17210a9/49a3f93242ec49478882d5e142e5d6e5 [2021-11-07 01:23:07,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:07,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:07,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:07,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:07,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:07,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:07" (1/1) ... [2021-11-07 01:23:07,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f80d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:07, skipping insertion in model container [2021-11-07 01:23:07,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:07" (1/1) ... [2021-11-07 01:23:07,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:07,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:08,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-11-07 01:23:08,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:08,082 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:23:08,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:08,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-11-07 01:23:08,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:08,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:23:08,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-11-07 01:23:08,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:08,353 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:23:08,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08 WrapperNode [2021-11-07 01:23:08,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:08,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:08,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:23:08,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:23:08,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:08,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:23:08,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:23:08,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:23:08,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:23:08,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:23:08,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:23:08,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:23:08,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:08,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:23:08,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:23:08,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:23:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:23:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:23:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:23:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:23:10,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:23:10,789 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-11-07 01:23:10,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:10 BoogieIcfgContainer [2021-11-07 01:23:10,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:23:10,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:23:10,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:23:10,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:23:10,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:23:07" (1/3) ... [2021-11-07 01:23:10,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3581b06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:23:10, skipping insertion in model container [2021-11-07 01:23:10,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08" (2/3) ... [2021-11-07 01:23:10,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3581b06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:23:10, skipping insertion in model container [2021-11-07 01:23:10,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:10" (3/3) ... [2021-11-07 01:23:10,801 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-11-07 01:23:10,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:23:10,807 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:23:10,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:23:10,879 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:23:10,880 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:23:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:23:10,919 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:10,919 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:10,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2021-11-07 01:23:10,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:10,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74014007] [2021-11-07 01:23:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:10,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:10,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:10,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:10,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:23:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:11,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:23:11,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:11,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:11,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:11,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74014007] [2021-11-07 01:23:11,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74014007] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:11,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:11,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:23:11,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045108448] [2021-11-07 01:23:11,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:23:11,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:23:11,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:23:11,388 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:11,470 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-11-07 01:23:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:23:11,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:23:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:11,498 INFO L225 Difference]: With dead ends: 227 [2021-11-07 01:23:11,498 INFO L226 Difference]: Without dead ends: 113 [2021-11-07 01:23:11,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:23:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-07 01:23:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-07 01:23:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.509090909090909) internal successors, (166), 112 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-11-07 01:23:11,544 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-11-07 01:23:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:11,545 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-11-07 01:23:11,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-11-07 01:23:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:23:11,546 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:11,546 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:11,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:11,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:11,750 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2021-11-07 01:23:11,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:11,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271167781] [2021-11-07 01:23:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:11,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:11,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:11,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:11,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:23:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:11,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:11,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:12,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:12,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:12,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271167781] [2021-11-07 01:23:12,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271167781] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:12,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:12,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:23:12,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215499748] [2021-11-07 01:23:12,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:12,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:12,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:12,076 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:12,094 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-11-07 01:23:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:23:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:12,097 INFO L225 Difference]: With dead ends: 113 [2021-11-07 01:23:12,098 INFO L226 Difference]: Without dead ends: 49 [2021-11-07 01:23:12,099 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-07 01:23:12,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-07 01:23:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-11-07 01:23:12,113 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-11-07 01:23:12,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:12,114 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-11-07 01:23:12,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-11-07 01:23:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:23:12,117 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:12,118 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:12,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:23:12,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:12,333 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:12,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2021-11-07 01:23:12,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:12,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549887706] [2021-11-07 01:23:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:12,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:12,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:12,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:12,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:23:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:12,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:12,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:12,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:12,739 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:12,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549887706] [2021-11-07 01:23:12,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549887706] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:12,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:12,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:23:12,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756466908] [2021-11-07 01:23:12,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:12,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:12,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:12,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:12,742 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:12,817 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-11-07 01:23:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:23:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:23:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:12,822 INFO L225 Difference]: With dead ends: 157 [2021-11-07 01:23:12,824 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 01:23:12,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:12,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 01:23:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 69. [2021-11-07 01:23:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.5) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-11-07 01:23:12,843 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2021-11-07 01:23:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:12,844 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-11-07 01:23:12,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-11-07 01:23:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:23:12,848 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:12,849 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:12,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:13,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:13,072 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:13,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:13,073 INFO L85 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2021-11-07 01:23:13,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:13,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20759186] [2021-11-07 01:23:13,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:13,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:13,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:13,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:13,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:23:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:13,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:13,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:13,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:13,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:13,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20759186] [2021-11-07 01:23:13,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20759186] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:13,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:13,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:23:13,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885856923] [2021-11-07 01:23:13,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:23:13,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:13,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:23:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:13,409 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:13,487 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2021-11-07 01:23:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:13,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:23:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:13,489 INFO L225 Difference]: With dead ends: 153 [2021-11-07 01:23:13,489 INFO L226 Difference]: Without dead ends: 91 [2021-11-07 01:23:13,490 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:13,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-07 01:23:13,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-11-07 01:23:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-11-07 01:23:13,516 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2021-11-07 01:23:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:13,516 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-11-07 01:23:13,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-11-07 01:23:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:23:13,519 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:13,519 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:13,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:13,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:13,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2021-11-07 01:23:13,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:13,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670515653] [2021-11-07 01:23:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:13,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:13,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:13,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:23:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:13,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:13,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:14,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:14,143 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:14,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670515653] [2021-11-07 01:23:14,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670515653] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:14,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:14,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:23:14,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703448417] [2021-11-07 01:23:14,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:14,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:14,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:14,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:14,146 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:14,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:14,256 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2021-11-07 01:23:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:23:14,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:23:14,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:14,261 INFO L225 Difference]: With dead ends: 420 [2021-11-07 01:23:14,261 INFO L226 Difference]: Without dead ends: 338 [2021-11-07 01:23:14,263 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:23:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-11-07 01:23:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2021-11-07 01:23:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4276729559748427) internal successors, (227), 159 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2021-11-07 01:23:14,319 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2021-11-07 01:23:14,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:14,321 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2021-11-07 01:23:14,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2021-11-07 01:23:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:23:14,322 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:14,322 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:14,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:14,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:14,535 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:14,535 INFO L85 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2021-11-07 01:23:14,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:14,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761622338] [2021-11-07 01:23:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:14,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:14,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:14,538 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:14,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:23:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:14,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:14,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:14,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:14,938 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:14,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761622338] [2021-11-07 01:23:14,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761622338] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:14,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:14,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:23:14,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141406165] [2021-11-07 01:23:14,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:14,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:14,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:14,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:14,944 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:15,119 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2021-11-07 01:23:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:23:15,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:23:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:15,123 INFO L225 Difference]: With dead ends: 589 [2021-11-07 01:23:15,123 INFO L226 Difference]: Without dead ends: 436 [2021-11-07 01:23:15,128 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:23:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-11-07 01:23:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2021-11-07 01:23:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.4076433121019107) internal successors, (221), 157 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2021-11-07 01:23:15,186 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2021-11-07 01:23:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:15,187 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2021-11-07 01:23:15,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2021-11-07 01:23:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:23:15,197 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:15,197 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:15,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:15,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:15,402 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:15,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:15,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2021-11-07 01:23:15,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:15,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775364909] [2021-11-07 01:23:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:15,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:15,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:15,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:23:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:15,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:15,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:15,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:15,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:15,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775364909] [2021-11-07 01:23:15,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775364909] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:15,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:15,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:23:15,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591214450] [2021-11-07 01:23:15,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:15,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:15,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:15,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:15,855 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:15,950 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-11-07 01:23:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:23:15,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:23:15,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:15,955 INFO L225 Difference]: With dead ends: 471 [2021-11-07 01:23:15,955 INFO L226 Difference]: Without dead ends: 320 [2021-11-07 01:23:15,956 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:23:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-11-07 01:23:15,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2021-11-07 01:23:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2021-11-07 01:23:15,989 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2021-11-07 01:23:15,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:15,990 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2021-11-07 01:23:15,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2021-11-07 01:23:15,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:23:15,992 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:15,992 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:16,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:16,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:16,205 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:16,205 INFO L85 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2021-11-07 01:23:16,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:16,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593069146] [2021-11-07 01:23:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:16,206 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:16,207 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:16,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:23:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:16,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:23:16,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:16,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:16,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:16,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593069146] [2021-11-07 01:23:16,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593069146] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:16,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:16,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:23:16,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722278358] [2021-11-07 01:23:16,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:23:16,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:16,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:23:16,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:23:16,607 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:16,686 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2021-11-07 01:23:16,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:23:16,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:23:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:16,689 INFO L225 Difference]: With dead ends: 505 [2021-11-07 01:23:16,689 INFO L226 Difference]: Without dead ends: 342 [2021-11-07 01:23:16,690 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:23:16,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-07 01:23:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2021-11-07 01:23:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 177 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2021-11-07 01:23:16,721 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2021-11-07 01:23:16,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:16,722 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2021-11-07 01:23:16,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2021-11-07 01:23:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:23:16,723 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:16,723 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:16,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:16,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:16,935 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2021-11-07 01:23:16,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:16,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308993206] [2021-11-07 01:23:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:16,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:16,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:16,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:16,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:23:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:17,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:17,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:17,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:17,368 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:17,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308993206] [2021-11-07 01:23:17,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308993206] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:17,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:17,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:23:17,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110010701] [2021-11-07 01:23:17,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:17,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:17,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:17,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:17,373 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:17,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:17,469 INFO L93 Difference]: Finished difference Result 580 states and 789 transitions. [2021-11-07 01:23:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:23:17,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:23:17,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:17,472 INFO L225 Difference]: With dead ends: 580 [2021-11-07 01:23:17,472 INFO L226 Difference]: Without dead ends: 409 [2021-11-07 01:23:17,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:17,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-11-07 01:23:17,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2021-11-07 01:23:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 318 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2021-11-07 01:23:17,515 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 33 [2021-11-07 01:23:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:17,515 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2021-11-07 01:23:17,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2021-11-07 01:23:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:23:17,516 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:17,517 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:17,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:17,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:17,728 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:17,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2021-11-07 01:23:17,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:17,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051417699] [2021-11-07 01:23:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:17,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:17,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:17,731 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:17,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:23:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:17,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:17,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:18,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:18,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:18,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051417699] [2021-11-07 01:23:18,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051417699] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:18,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:18,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:23:18,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180395413] [2021-11-07 01:23:18,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:23:18,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:18,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:23:18,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:18,229 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:18,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:18,337 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2021-11-07 01:23:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:23:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:18,341 INFO L225 Difference]: With dead ends: 519 [2021-11-07 01:23:18,341 INFO L226 Difference]: Without dead ends: 517 [2021-11-07 01:23:18,342 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:18,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2021-11-07 01:23:18,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 388. [2021-11-07 01:23:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 387 states have (on average 1.3695090439276485) internal successors, (530), 387 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 530 transitions. [2021-11-07 01:23:18,399 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 530 transitions. Word has length 34 [2021-11-07 01:23:18,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:18,399 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 530 transitions. [2021-11-07 01:23:18,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 530 transitions. [2021-11-07 01:23:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:23:18,412 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:18,412 INFO L513 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, 1, 1] [2021-11-07 01:23:18,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:18,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:18,625 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:18,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2021-11-07 01:23:18,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:18,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026856679] [2021-11-07 01:23:18,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:18,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:18,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:18,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:23:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:23:18,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:23:19,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:23:19,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:19,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026856679] [2021-11-07 01:23:19,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026856679] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:19,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:19,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:23:19,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371485058] [2021-11-07 01:23:19,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:23:19,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:23:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:23:19,255 INFO L87 Difference]: Start difference. First operand 388 states and 530 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:22,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:22,052 INFO L93 Difference]: Finished difference Result 1528 states and 2067 transitions. [2021-11-07 01:23:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:23:22,053 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 01:23:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:22,061 INFO L225 Difference]: With dead ends: 1528 [2021-11-07 01:23:22,062 INFO L226 Difference]: Without dead ends: 1147 [2021-11-07 01:23:22,063 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:23:22,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2021-11-07 01:23:22,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 321. [2021-11-07 01:23:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.334375) internal successors, (427), 320 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2021-11-07 01:23:22,123 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 56 [2021-11-07 01:23:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:22,123 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2021-11-07 01:23:22,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2021-11-07 01:23:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:23:22,125 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:22,125 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:22,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:22,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:22,342 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2021-11-07 01:23:22,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:22,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084239780] [2021-11-07 01:23:22,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:22,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:22,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:22,343 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:23:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:22,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:22,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:22,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:22,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:22,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084239780] [2021-11-07 01:23:22,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084239780] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:22,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:22,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:23:22,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575372108] [2021-11-07 01:23:22,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:22,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:22,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:22,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:22,989 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:24,423 INFO L93 Difference]: Finished difference Result 619 states and 828 transitions. [2021-11-07 01:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 01:23:24,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:24,425 INFO L225 Difference]: With dead ends: 619 [2021-11-07 01:23:24,425 INFO L226 Difference]: Without dead ends: 305 [2021-11-07 01:23:24,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-07 01:23:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2021-11-07 01:23:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.2866666666666666) internal successors, (386), 300 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2021-11-07 01:23:24,478 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 58 [2021-11-07 01:23:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:24,478 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2021-11-07 01:23:24,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2021-11-07 01:23:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:23:24,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:24,480 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:24,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:24,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:24,693 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:24,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2021-11-07 01:23:24,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:24,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407497464] [2021-11-07 01:23:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:24,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:24,696 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:24,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:23:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:25,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:25,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:23:25,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:23:25,273 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:25,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407497464] [2021-11-07 01:23:25,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407497464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:25,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:25,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:23:25,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013736978] [2021-11-07 01:23:25,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:23:25,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:23:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:25,275 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:26,540 INFO L93 Difference]: Finished difference Result 587 states and 752 transitions. [2021-11-07 01:23:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:26,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 01:23:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:26,541 INFO L225 Difference]: With dead ends: 587 [2021-11-07 01:23:26,542 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:23:26,543 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:23:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:23:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:23:26,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-11-07 01:23:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:26,544 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:23:26,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:23:26,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:23:26,547 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:23:26,548 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:23:26,548 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:23:26,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-07 01:23:26,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:26,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:23:26,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:27,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:28,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:29,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:23:38,426 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,427 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-11-07 01:23:38,427 INFO L857 garLoopResultBuilder]: For program point L333-1(lines 333 350) no Hoare annotation was computed. [2021-11-07 01:23:38,427 INFO L857 garLoopResultBuilder]: For program point L333-2(lines 333 350) no Hoare annotation was computed. [2021-11-07 01:23:38,427 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:23:38,427 INFO L853 garLoopResultBuilder]: At program point L70-1(lines 1 977) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse9))) [2021-11-07 01:23:38,427 INFO L857 garLoopResultBuilder]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 1 977) the Hoare annotation is: false [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L853 garLoopResultBuilder]: At program point L70-5(lines 1 977) the Hoare annotation is: false [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L860 garLoopResultBuilder]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,428 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,429 INFO L857 garLoopResultBuilder]: For program point L435-3(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,429 INFO L857 garLoopResultBuilder]: For program point L435-5(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,429 INFO L857 garLoopResultBuilder]: For program point L435-6(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,429 INFO L857 garLoopResultBuilder]: For program point L435-8(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,429 INFO L857 garLoopResultBuilder]: For program point L435-9(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,430 INFO L857 garLoopResultBuilder]: For program point L435-11(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,431 INFO L857 garLoopResultBuilder]: For program point L435-12(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,431 INFO L857 garLoopResultBuilder]: For program point L435-14(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,431 INFO L857 garLoopResultBuilder]: For program point L435-15(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,431 INFO L857 garLoopResultBuilder]: For program point L435-17(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:23:38,431 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L337-1(lines 337 345) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L853 garLoopResultBuilder]: At program point L966(lines 1 977) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:23:38,432 INFO L857 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2021-11-07 01:23:38,433 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:23:38,433 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse7 .cse5))) [2021-11-07 01:23:38,433 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:23:38,433 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-11-07 01:23:38,433 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-11-07 01:23:38,433 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:23:38,434 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-11-07 01:23:38,434 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-11-07 01:23:38,434 INFO L857 garLoopResultBuilder]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:23:38,434 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,434 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,434 INFO L857 garLoopResultBuilder]: For program point L307-1(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,435 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,435 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-11-07 01:23:38,435 INFO L857 garLoopResultBuilder]: For program point L307-3(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,435 INFO L857 garLoopResultBuilder]: For program point L307-4(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,435 INFO L857 garLoopResultBuilder]: For program point L307-5(lines 307 324) no Hoare annotation was computed. [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L275(lines 274 293) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse5 .cse2) (and .cse0 .cse6 .cse3 .cse1 .cse7) (and .cse0 .cse6 .cse1 .cse5 .cse7) (and .cse0 .cse6 .cse8 .cse7) (and .cse0 .cse8 .cse2)))) [2021-11-07 01:23:38,436 INFO L857 garLoopResultBuilder]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L275-2(lines 274 293) the Hoare annotation is: false [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L275-3(lines 274 293) the Hoare annotation is: false [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L441(lines 426 444) the Hoare annotation is: false [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 426 444) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse1 .cse2))) [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L441-2(lines 426 444) the Hoare annotation is: false [2021-11-07 01:23:38,436 INFO L853 garLoopResultBuilder]: At program point L441-3(lines 426 444) the Hoare annotation is: false [2021-11-07 01:23:38,437 INFO L853 garLoopResultBuilder]: At program point L441-4(lines 426 444) the Hoare annotation is: false [2021-11-07 01:23:38,437 INFO L853 garLoopResultBuilder]: At program point L441-5(lines 426 444) the Hoare annotation is: false [2021-11-07 01:23:38,437 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-11-07 01:23:38,437 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 275 281) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not .cse1))) (or (and .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse6 .cse4 .cse2 .cse7) (and .cse0 .cse6 .cse2 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse0 .cse4 .cse8 .cse7 .cse3) (and .cse0 .cse6 .cse8 .cse7)))) [2021-11-07 01:23:38,437 INFO L857 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,437 INFO L857 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,437 INFO L857 garLoopResultBuilder]: For program point L839-2(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,437 INFO L853 garLoopResultBuilder]: At program point L377(lines 370 380) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-11-07 01:23:38,438 INFO L853 garLoopResultBuilder]: At program point L377-1(lines 370 380) the Hoare annotation is: false [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L853 garLoopResultBuilder]: At program point L377-2(lines 370 380) the Hoare annotation is: false [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311-3(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311-4(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L311-5(lines 311 319) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L860 garLoopResultBuilder]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,438 INFO L857 garLoopResultBuilder]: For program point L181-3(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,439 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,440 INFO L857 garLoopResultBuilder]: For program point L181-5(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L974(lines 969 977) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:23:38,440 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 120) no Hoare annotation was computed. [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L282(lines 282 288) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse5 .cse4))) [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L282-1(lines 282 288) the Hoare annotation is: false [2021-11-07 01:23:38,440 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L282-2(lines 282 288) the Hoare annotation is: false [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L216-1(lines 216 222) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse9))) [2021-11-07 01:23:38,440 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-11-07 01:23:38,440 INFO L853 garLoopResultBuilder]: At program point L449-1(lines 449 455) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:23:38,441 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:23:38,441 INFO L853 garLoopResultBuilder]: At program point L186(lines 177 190) the Hoare annotation is: false [2021-11-07 01:23:38,441 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 177 190) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3))) [2021-11-07 01:23:38,441 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2021-11-07 01:23:38,441 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 177 190) the Hoare annotation is: false [2021-11-07 01:23:38,441 INFO L853 garLoopResultBuilder]: At program point L186-4(lines 177 190) the Hoare annotation is: false [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 177 190) the Hoare annotation is: false [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-11-07 01:23:38,442 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:23:38,442 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2021-11-07 01:23:38,442 INFO L853 garLoopResultBuilder]: At program point L226-1(lines 226 232) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse4 .cse6) (and .cse0 .cse5 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6) (and .cse0 .cse5 .cse2 .cse6))) [2021-11-07 01:23:38,443 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:23:38,443 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 132) no Hoare annotation was computed. [2021-11-07 01:23:38,443 INFO L853 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2021-11-07 01:23:38,443 INFO L857 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-11-07 01:23:38,443 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:23:38,443 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-11-07 01:23:38,444 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-11-07 01:23:38,444 INFO L857 garLoopResultBuilder]: For program point L859-1(lines 275 281) no Hoare annotation was computed. [2021-11-07 01:23:38,447 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:38,448 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:23:38,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:23:38 BoogieIcfgContainer [2021-11-07 01:23:38,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:23:38,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:23:38,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:23:38,514 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:23:38,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:10" (3/4) ... [2021-11-07 01:23:38,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:23:38,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:23:38,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:23:38,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:23:38,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:23:38,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:23:38,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:23:38,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:23:38,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-11-07 01:23:38,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-11-07 01:23:38,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-11-07 01:23:38,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-11-07 01:23:38,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-11-07 01:23:38,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:23:38,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:23:38,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:23:38,659 INFO L168 Benchmark]: Toolchain (without parser) took 31066.70 ms. Allocated memory was 75.5 MB in the beginning and 161.5 MB in the end (delta: 86.0 MB). Free memory was 39.4 MB in the beginning and 66.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 60.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,659 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 75.5 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:38,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.20 ms. Allocated memory is still 75.5 MB. Free memory was 60.9 MB in the beginning and 44.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.70 ms. Allocated memory is still 75.5 MB. Free memory was 44.1 MB in the beginning and 40.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,660 INFO L168 Benchmark]: Boogie Preprocessor took 83.79 ms. Allocated memory is still 75.5 MB. Free memory was 40.6 MB in the beginning and 37.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,661 INFO L168 Benchmark]: RCFGBuilder took 2247.36 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 52.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,661 INFO L168 Benchmark]: TraceAbstraction took 27718.30 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 52.3 MB in the beginning and 77.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,661 INFO L168 Benchmark]: Witness Printer took 144.08 ms. Allocated memory is still 161.5 MB. Free memory was 77.1 MB in the beginning and 66.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:38,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 75.5 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 743.20 ms. Allocated memory is still 75.5 MB. Free memory was 60.9 MB in the beginning and 44.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.70 ms. Allocated memory is still 75.5 MB. Free memory was 44.1 MB in the beginning and 40.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.79 ms. Allocated memory is still 75.5 MB. Free memory was 40.6 MB in the beginning and 37.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2247.36 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 52.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27718.30 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 52.3 MB in the beginning and 77.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. * Witness Printer took 144.08 ms. Allocated memory is still 161.5 MB. Free memory was 77.1 MB in the beginning and 66.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27.5s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1294 SDtfs, 1886 SDslu, 2606 SDs, 0 SdLazy, 296 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=10, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1867 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 164 NumberOfFragments, 962 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1269613 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 679242 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 1497 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2813 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 130/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:23:38,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2350f590-9583-465d-bbd2-e85429123c0e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE