./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:00,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:00,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:00,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:00,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:00,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:00,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:00,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:00,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:01,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:01,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:01,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:01,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:01,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:01,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:01,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:01,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:01,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:01,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:01,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:01,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:01,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:01,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:01,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:01,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:01,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:01,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:01,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:01,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:01,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:01,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:01,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:01,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:01,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:01,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:01,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:01,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:01,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:01,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:01,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:01,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:01,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:54:01,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:01,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:01,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:01,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:01,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:01,076 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:01,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:54:01,076 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:01,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:01,077 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:54:01,077 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:54:01,077 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:01,078 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:54:01,078 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:54:01,078 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:54:01,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:01,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:01,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:54:01,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:01,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:01,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:01,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:01,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:01,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:01,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:01,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:01,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:01,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:01,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:01,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:01,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:01,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:01,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:01,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:01,084 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:54:01,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:54:01,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:01,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:01,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:01,085 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2021-11-07 00:54:01,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:01,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:01,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:01,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:01,393 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:01,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-07 00:54:01,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/216dc4676/de25717405d44b44a38036ac430e640d/FLAG29c13ccd3 [2021-11-07 00:54:01,917 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:01,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-07 00:54:01,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/216dc4676/de25717405d44b44a38036ac430e640d/FLAG29c13ccd3 [2021-11-07 00:54:02,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/216dc4676/de25717405d44b44a38036ac430e640d [2021-11-07 00:54:02,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:02,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:02,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:02,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:02,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:02,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:02" (1/1) ... [2021-11-07 00:54:02,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3052f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:02, skipping insertion in model container [2021-11-07 00:54:02,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:02" (1/1) ... [2021-11-07 00:54:02,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:02,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:02,620 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-07 00:54:02,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:02,647 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 00:54:02,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22c83c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:02, skipping insertion in model container [2021-11-07 00:54:02,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:02,649 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:54:02,651 INFO L168 Benchmark]: Toolchain (without parser) took 364.84 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 81.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:02,652 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:02,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.23 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.1 MB in the beginning and 81.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:02,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.23 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.1 MB in the beginning and 81.0 MB in the end (delta: -27.9 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: 317]: 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:04,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:04,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:04,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:04,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:04,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:04,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:04,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:04,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:04,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:04,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:04,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:04,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:04,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:04,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:04,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:04,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:04,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:04,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:04,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:04,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:04,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:04,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:04,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:04,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:04,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:04,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:04,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:04,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:04,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:04,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:04,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:04,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:04,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:04,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:04,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:04,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:04,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:04,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:04,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:04,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:04,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:54:04,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:04,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:04,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:04,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:04,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:04,998 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:04,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:04,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:04,998 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:04,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:04,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:05,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:05,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:05,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:05,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:05,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:05,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:05,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:05,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:05,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:54:05,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:05,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:05,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:05,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:05,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:05,003 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:54:05,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:05,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:05,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:05,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:05,004 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2021-11-07 00:54:05,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:05,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:05,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:05,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:05,411 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:05,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-07 00:54:05,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/371537629/c5abd8e5403a4586b5360705d5b7e9bb/FLAG933e8f42b [2021-11-07 00:54:06,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:06,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-11-07 00:54:06,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/371537629/c5abd8e5403a4586b5360705d5b7e9bb/FLAG933e8f42b [2021-11-07 00:54:06,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/data/371537629/c5abd8e5403a4586b5360705d5b7e9bb [2021-11-07 00:54:06,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:06,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:06,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:06,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:06,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:06,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:06,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39089336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06, skipping insertion in model container [2021-11-07 00:54:06,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:06,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:06,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:06,729 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-07 00:54:06,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:06,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:54:06,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:06,875 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-07 00:54:06,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:06,888 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:54:06,934 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_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2021-11-07 00:54:06,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:06,962 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:54:06,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06 WrapperNode [2021-11-07 00:54:06,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:06,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:06,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:54:06,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:54:06,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:06,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:07,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:54:07,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:54:07,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:54:07,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:54:07,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:54:07,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:54:07,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:54:07,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (1/1) ... [2021-11-07 00:54:07,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:07,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:54:07,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:54:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:54:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:54:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:54:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:09,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:09,447 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-07 00:54:09,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:09 BoogieIcfgContainer [2021-11-07 00:54:09,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:09,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:09,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:09,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:09,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:06" (1/3) ... [2021-11-07 00:54:09,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3106025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:09, skipping insertion in model container [2021-11-07 00:54:09,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:06" (2/3) ... [2021-11-07 00:54:09,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3106025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:09, skipping insertion in model container [2021-11-07 00:54:09,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:09" (3/3) ... [2021-11-07 00:54:09,459 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2021-11-07 00:54:09,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:09,465 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:54:09,523 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:09,529 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 00:54:09,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:54:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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 00:54:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:54:09,551 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:09,552 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:09,553 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 00:54:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:09,558 INFO L85 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-11-07 00:54:09,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:09,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59470404] [2021-11-07 00:54:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:09,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:09,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:09,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:09,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:09,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:09,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:09,942 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 00:54:09,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:10,015 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 00:54:10,016 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:10,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59470404] [2021-11-07 00:54:10,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59470404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:10,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:10,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:10,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064775957] [2021-11-07 00:54:10,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:10,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:10,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:10,050 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:10,086 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-11-07 00:54:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:10,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 00:54:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:10,097 INFO L225 Difference]: With dead ends: 136 [2021-11-07 00:54:10,097 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 00:54:10,100 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:10,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 00:54:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-07 00:54:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-11-07 00:54:10,138 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-11-07 00:54:10,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:10,139 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-11-07 00:54:10,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:10,139 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-11-07 00:54:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 00:54:10,141 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:10,141 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:10,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:10,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:10,361 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 00:54:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-11-07 00:54:10,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:10,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876395916] [2021-11-07 00:54:10,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:10,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:10,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:10,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:10,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:54:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:10,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:10,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:10,639 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 00:54:10,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:10,697 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 00:54:10,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:10,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876395916] [2021-11-07 00:54:10,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876395916] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:10,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:10,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:10,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793472372] [2021-11-07 00:54:10,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:10,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:10,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:10,706 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:10,735 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-11-07 00:54:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 00:54:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:10,739 INFO L225 Difference]: With dead ends: 67 [2021-11-07 00:54:10,739 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 00:54:10,740 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 00:54:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 00:54:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 00:54:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 00:54:10,753 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 00:54:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:10,754 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 00:54:10,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 00:54:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 00:54:10,756 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:10,760 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:10,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:10,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:10,972 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 00:54:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-11-07 00:54:10,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:10,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406997905] [2021-11-07 00:54:10,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:10,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:10,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:10,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:10,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:54:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:11,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:11,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:11,350 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 00:54:11,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:11,407 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 00:54:11,408 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:11,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406997905] [2021-11-07 00:54:11,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406997905] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:11,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:11,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:11,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904743558] [2021-11-07 00:54:11,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:11,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:11,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:11,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:11,411 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:11,456 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-11-07 00:54:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:11,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 00:54:11,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:11,458 INFO L225 Difference]: With dead ends: 110 [2021-11-07 00:54:11,458 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 00:54:11,459 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 00:54:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-11-07 00:54:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 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 00:54:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-11-07 00:54:11,469 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-11-07 00:54:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:11,469 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-11-07 00:54:11,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-11-07 00:54:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 00:54:11,471 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:11,471 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] [2021-11-07 00:54:11,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:11,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:11,685 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 00:54:11,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:11,686 INFO L85 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-11-07 00:54:11,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:11,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487873943] [2021-11-07 00:54:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:11,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:11,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:11,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:54:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:11,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:54:11,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:11,986 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 00:54:11,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:12,077 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 00:54:12,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:12,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487873943] [2021-11-07 00:54:12,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487873943] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:12,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:12,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:54:12,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527995625] [2021-11-07 00:54:12,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:54:12,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:12,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:54:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:54:12,080 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:12,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:12,209 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2021-11-07 00:54:12,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 00:54:12,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 00:54:12,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:12,212 INFO L225 Difference]: With dead ends: 237 [2021-11-07 00:54:12,212 INFO L226 Difference]: Without dead ends: 191 [2021-11-07 00:54:12,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 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 00:54:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-07 00:54:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2021-11-07 00:54:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 91 states have internal predecessors, (133), 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 00:54:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2021-11-07 00:54:12,230 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2021-11-07 00:54:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:12,231 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2021-11-07 00:54:12,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2021-11-07 00:54:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:54:12,232 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:12,232 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 00:54:12,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:12,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,444 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 00:54:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2021-11-07 00:54:12,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:12,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172113811] [2021-11-07 00:54:12,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:12,448 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:12,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:12,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:54:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:12,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:54:12,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:12,743 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 00:54:12,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:12,795 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 00:54:12,796 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:12,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172113811] [2021-11-07 00:54:12,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172113811] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:12,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:12,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:54:12,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451156328] [2021-11-07 00:54:12,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:54:12,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:12,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:54:12,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:54:12,803 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 00:54:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:12,903 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2021-11-07 00:54:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:54:12,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 00:54:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:12,904 INFO L225 Difference]: With dead ends: 282 [2021-11-07 00:54:12,904 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:54:12,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 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 00:54:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:54:12,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:54:12,907 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 00:54:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:54:12,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 00:54:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:12,907 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:54:12,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 00:54:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:54:12,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:54:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:12,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:13,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:13,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:54:13,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:13,475 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,476 INFO L853 garLoopResultBuilder]: At program point L680(lines 1 903) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,476 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 713 727) the Hoare annotation is: false [2021-11-07 00:54:13,476 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:54:13,476 INFO L857 garLoopResultBuilder]: For program point L697(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,477 INFO L857 garLoopResultBuilder]: For program point L697-1(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,477 INFO L857 garLoopResultBuilder]: For program point L697-2(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,477 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-11-07 00:54:13,477 INFO L853 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,477 INFO L857 garLoopResultBuilder]: For program point L714(line 714) no Hoare annotation was computed. [2021-11-07 00:54:13,477 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 275) no Hoare annotation was computed. [2021-11-07 00:54:13,478 INFO L853 garLoopResultBuilder]: At program point L269-1(lines 269 275) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,478 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2021-11-07 00:54:13,478 INFO L853 garLoopResultBuilder]: At program point L104-1(lines 140 146) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,478 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-11-07 00:54:13,478 INFO L857 garLoopResultBuilder]: For program point L831-3(lines 831 835) no Hoare annotation was computed. [2021-11-07 00:54:13,479 INFO L857 garLoopResultBuilder]: For program point L831-6(lines 831 835) no Hoare annotation was computed. [2021-11-07 00:54:13,479 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 721) no Hoare annotation was computed. [2021-11-07 00:54:13,479 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2021-11-07 00:54:13,479 INFO L857 garLoopResultBuilder]: For program point L717-1(lines 140 146) no Hoare annotation was computed. [2021-11-07 00:54:13,480 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2021-11-07 00:54:13,480 INFO L857 garLoopResultBuilder]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2021-11-07 00:54:13,480 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 791) no Hoare annotation was computed. [2021-11-07 00:54:13,481 INFO L860 garLoopResultBuilder]: At program point L784-1(lines 784 791) the Hoare annotation is: true [2021-11-07 00:54:13,481 INFO L853 garLoopResultBuilder]: At program point L140(lines 139 158) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,481 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-11-07 00:54:13,481 INFO L853 garLoopResultBuilder]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2021-11-07 00:54:13,481 INFO L853 garLoopResultBuilder]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2021-11-07 00:54:13,482 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:54:13,482 INFO L853 garLoopResultBuilder]: At program point L868(lines 863 871) the Hoare annotation is: false [2021-11-07 00:54:13,482 INFO L853 garLoopResultBuilder]: At program point L868-1(lines 863 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,482 INFO L853 garLoopResultBuilder]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2021-11-07 00:54:13,482 INFO L853 garLoopResultBuilder]: At program point L868-3(lines 863 871) the Hoare annotation is: false [2021-11-07 00:54:13,482 INFO L853 garLoopResultBuilder]: At program point L868-4(lines 863 871) the Hoare annotation is: false [2021-11-07 00:54:13,483 INFO L853 garLoopResultBuilder]: At program point L868-5(lines 863 871) the Hoare annotation is: false [2021-11-07 00:54:13,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,483 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-11-07 00:54:13,483 INFO L853 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,483 INFO L853 garLoopResultBuilder]: At program point L225(lines 220 228) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,484 INFO L853 garLoopResultBuilder]: At program point L225-1(lines 220 228) the Hoare annotation is: false [2021-11-07 00:54:13,484 INFO L853 garLoopResultBuilder]: At program point L225-2(lines 220 228) the Hoare annotation is: false [2021-11-07 00:54:13,484 INFO L853 garLoopResultBuilder]: At program point L688(lines 683 691) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,485 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 859) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 819) no Hoare annotation was computed. [2021-11-07 00:54:13,486 INFO L853 garLoopResultBuilder]: At program point L806-1(lines 1 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,487 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 819) no Hoare annotation was computed. [2021-11-07 00:54:13,489 INFO L853 garLoopResultBuilder]: At program point L806-3(lines 1 903) the Hoare annotation is: false [2021-11-07 00:54:13,489 INFO L857 garLoopResultBuilder]: For program point L806-4(lines 806 819) no Hoare annotation was computed. [2021-11-07 00:54:13,490 INFO L853 garLoopResultBuilder]: At program point L806-5(lines 1 903) the Hoare annotation is: false [2021-11-07 00:54:13,492 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2021-11-07 00:54:13,492 INFO L853 garLoopResultBuilder]: At program point L147(lines 147 153) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,492 INFO L853 garLoopResultBuilder]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2021-11-07 00:54:13,492 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2021-11-07 00:54:13,492 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:54:13,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2021-11-07 00:54:13,493 INFO L860 garLoopResultBuilder]: At program point L793(lines 774 796) the Hoare annotation is: true [2021-11-07 00:54:13,493 INFO L853 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2021-11-07 00:54:13,494 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2021-11-07 00:54:13,494 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 816) no Hoare annotation was computed. [2021-11-07 00:54:13,494 INFO L857 garLoopResultBuilder]: For program point L810-2(lines 810 816) no Hoare annotation was computed. [2021-11-07 00:54:13,494 INFO L857 garLoopResultBuilder]: For program point L810-4(lines 810 816) no Hoare annotation was computed. [2021-11-07 00:54:13,494 INFO L857 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2021-11-07 00:54:13,495 INFO L853 garLoopResultBuilder]: At program point L761(lines 757 763) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:54:13,495 INFO L853 garLoopResultBuilder]: At program point L216(lines 209 219) the Hoare annotation is: false [2021-11-07 00:54:13,495 INFO L853 garLoopResultBuilder]: At program point L216-1(lines 209 219) the Hoare annotation is: false [2021-11-07 00:54:13,495 INFO L853 garLoopResultBuilder]: At program point L216-2(lines 209 219) the Hoare annotation is: false [2021-11-07 00:54:13,495 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-11-07 00:54:13,499 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:54:13,501 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:54:13,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:54:13 BoogieIcfgContainer [2021-11-07 00:54:13,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:54:13,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:54:13,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:54:13,525 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:54:13,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:09" (3/4) ... [2021-11-07 00:54:13,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:54:13,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:54:13,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:54:13,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:54:13,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:54:13,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:54:13,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:54:13,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:54:13,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 00:54:13,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:54:13,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:54:13,641 INFO L168 Benchmark]: Toolchain (without parser) took 7316.03 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 51.2 MB in the beginning and 51.2 MB in the end (delta: -22.7 kB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,642 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:13,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.80 ms. Allocated memory is still 71.3 MB. Free memory was 51.0 MB in the beginning and 41.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.58 ms. Allocated memory is still 71.3 MB. Free memory was 41.6 MB in the beginning and 38.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,643 INFO L168 Benchmark]: Boogie Preprocessor took 40.51 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 36.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,644 INFO L168 Benchmark]: RCFGBuilder took 2381.00 ms. Allocated memory is still 71.3 MB. Free memory was 36.3 MB in the beginning and 37.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,644 INFO L168 Benchmark]: TraceAbstraction took 4071.86 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 37.5 MB in the beginning and 56.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,644 INFO L168 Benchmark]: Witness Printer took 114.77 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 51.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:13,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.80 ms. Allocated memory is still 71.3 MB. Free memory was 51.0 MB in the beginning and 41.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.58 ms. Allocated memory is still 71.3 MB. Free memory was 41.6 MB in the beginning and 38.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.51 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 36.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2381.00 ms. Allocated memory is still 71.3 MB. Free memory was 36.3 MB in the beginning and 37.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4071.86 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 37.5 MB in the beginning and 56.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Witness Printer took 114.77 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 51.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 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: 697]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 697]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 697]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 407 SDslu, 334 SDs, 0 SdLazy, 62 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 00:54:13,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7445b3-b69d-4a79-9197-890bfb7d9f0d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE