./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG --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 cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG --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 cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:22:05,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:22:05,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:22:05,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:22:05,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:22:05,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:22:05,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:22:05,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:22:05,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:22:05,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:22:05,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:22:05,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:22:05,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:22:05,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:22:05,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:22:05,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:22:05,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:22:05,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:22:05,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:22:05,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:22:05,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:22:05,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:22:05,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:22:05,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:22:05,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:22:05,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:22:05,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:22:05,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:22:05,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:22:05,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:22:05,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:22:05,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:22:05,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:22:05,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:22:05,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:22:05,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:22:05,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:22:05,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:22:05,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:22:05,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:22:05,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:22:05,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:22:05,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:22:05,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:22:05,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:22:05,227 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:22:05,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:22:05,227 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:22:05,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:22:05,228 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:22:05,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:22:05,228 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:22:05,228 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:22:05,229 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:22:05,229 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:22:05,229 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:22:05,229 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:22:05,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:22:05,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:22:05,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:22:05,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:22:05,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:22:05,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:22:05,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:22:05,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:22:05,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:22:05,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:22:05,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:22:05,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:22:05,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:22:05,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:22:05,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:22:05,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:22:05,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:22:05,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:22:05,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:22:05,235 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:22:05,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:22:05,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:22:05,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:22:05,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:22:05,237 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 [2021-10-29 05:22:05,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:22:05,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:22:05,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:22:05,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:22:05,509 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:22:05,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-29 05:22:05,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/ec6b17ecc/881b68ea5e464587b4f86fa6dafa986f/FLAG91f128616 [2021-10-29 05:22:06,262 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:22:06,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-29 05:22:06,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/ec6b17ecc/881b68ea5e464587b4f86fa6dafa986f/FLAG91f128616 [2021-10-29 05:22:06,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/ec6b17ecc/881b68ea5e464587b4f86fa6dafa986f [2021-10-29 05:22:06,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:22:06,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:22:06,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:22:06,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:22:06,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:22:06,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:22:06" (1/1) ... [2021-10-29 05:22:06,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1150ebf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:06, skipping insertion in model container [2021-10-29 05:22:06,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:22:06" (1/1) ... [2021-10-29 05:22:06,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:22:06,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:22:06,976 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-10-29 05:22:07,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:22:07,025 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:22:07,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f6076bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:07, skipping insertion in model container [2021-10-29 05:22:07,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:22:07,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:22:07,030 INFO L168 Benchmark]: Toolchain (without parser) took 456.90 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 65.3 MB in the beginning and 117.5 MB in the end (delta: -52.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:07,031 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:22:07,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.94 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 65.1 MB in the beginning and 117.5 MB in the end (delta: -52.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:07,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 449.94 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 65.1 MB in the beginning and 117.5 MB in the end (delta: -52.4 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: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:22:09,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:22:09,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:22:09,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:22:09,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:22:09,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:22:09,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:22:09,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:22:09,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:22:09,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:22:09,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:22:09,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:22:09,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:22:09,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:22:09,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:22:09,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:22:09,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:22:09,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:22:09,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:22:09,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:22:09,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:22:09,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:22:09,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:22:09,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:22:09,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:22:09,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:22:09,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:22:09,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:22:09,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:22:09,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:22:09,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:22:09,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:22:09,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:22:09,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:22:09,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:22:09,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:22:09,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:22:09,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:22:09,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:22:09,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:22:09,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:22:09,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:22:09,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:22:09,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:22:09,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:22:09,953 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:22:09,953 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:22:09,953 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:22:09,954 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:22:09,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:22:09,954 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:22:09,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:22:09,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:22:09,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:22:09,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:22:09,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:22:09,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:22:09,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:22:09,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:22:09,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:22:09,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:22:09,960 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:22:09,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:22:09,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:22:09,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:22:09,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:22:09,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:22:09,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:22:09,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:22:09,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:22:09,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:22:09,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:22:09,963 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:22:09,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:22:09,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:22:09,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:22:09,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:22:09,965 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 [2021-10-29 05:22:10,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:22:10,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:22:10,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:22:10,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:22:10,462 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:22:10,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-29 05:22:10,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/680b161a5/63dbe7aba22749fca53df74759b61391/FLAGb8bc55780 [2021-10-29 05:22:11,398 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:22:11,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-29 05:22:11,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/680b161a5/63dbe7aba22749fca53df74759b61391/FLAGb8bc55780 [2021-10-29 05:22:11,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/data/680b161a5/63dbe7aba22749fca53df74759b61391 [2021-10-29 05:22:11,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:22:11,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:22:11,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:22:11,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:22:11,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:22:11,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:22:11" (1/1) ... [2021-10-29 05:22:11,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab07bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:11, skipping insertion in model container [2021-10-29 05:22:11,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:22:11" (1/1) ... [2021-10-29 05:22:11,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:22:11,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:22:11,923 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-10-29 05:22:11,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:22:11,988 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:22:11,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:22:12,059 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-10-29 05:22:12,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:22:12,087 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:22:12,187 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_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-10-29 05:22:12,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:22:12,242 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:22:12,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12 WrapperNode [2021-10-29 05:22:12,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:22:12,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:22:12,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:22:12,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:22:12,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:22:12,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:22:12,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:22:12,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:22:12,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:22:12,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:22:12,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:22:12,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:22:12,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (1/1) ... [2021-10-29 05:22:12,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:22:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:22:12,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:22:12,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:22:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:22:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:22:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:22:12,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:22:15,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:22:15,343 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-29 05:22:15,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:22:15 BoogieIcfgContainer [2021-10-29 05:22:15,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:22:15,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:22:15,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:22:15,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:22:15,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:22:11" (1/3) ... [2021-10-29 05:22:15,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d33036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:22:15, skipping insertion in model container [2021-10-29 05:22:15,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:22:12" (2/3) ... [2021-10-29 05:22:15,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d33036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:22:15, skipping insertion in model container [2021-10-29 05:22:15,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:22:15" (3/3) ... [2021-10-29 05:22:15,380 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-10-29 05:22:15,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:22:15,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:22:15,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:22:15,481 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 [2021-10-29 05:22:15,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:22:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 110 states have internal predecessors, (165), 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) [2021-10-29 05:22:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:22:15,544 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:22:15,545 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:22:15,546 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:22:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:22:15,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1669144853, now seen corresponding path program 1 times [2021-10-29 05:22:15,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:22:15,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737430765] [2021-10-29 05:22:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:22:15,576 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:22:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:22:15,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:22:15,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:22:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:22:15,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:22:15,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:22:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:16,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:22:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:16,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:22:16,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737430765] [2021-10-29 05:22:16,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737430765] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:22:16,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:22:16,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:22:16,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361683662] [2021-10-29 05:22:16,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:22:16,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:22:16,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:22:16,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:22:16,179 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 110 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:22:16,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:22:16,251 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2021-10-29 05:22:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:22:16,253 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:22:16,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:22:16,282 INFO L225 Difference]: With dead ends: 216 [2021-10-29 05:22:16,283 INFO L226 Difference]: Without dead ends: 107 [2021-10-29 05:22:16,288 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:22:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-29 05:22:16,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-29 05:22:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 106 states have internal predecessors, (153), 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) [2021-10-29 05:22:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2021-10-29 05:22:16,339 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2021-10-29 05:22:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:22:16,340 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2021-10-29 05:22:16,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:22:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2021-10-29 05:22:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:22:16,342 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:22:16,343 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:22:16,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:22:16,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:22:16,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:22:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:22:16,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1714791690, now seen corresponding path program 1 times [2021-10-29 05:22:16,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:22:16,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665752585] [2021-10-29 05:22:16,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:22:16,574 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:22:16,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:22:16,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:22:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:22:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:22:16,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:22:16,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:22:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:16,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:22:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:17,000 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:22:17,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665752585] [2021-10-29 05:22:17,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665752585] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:22:17,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:22:17,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:22:17,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123438155] [2021-10-29 05:22:17,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:22:17,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:22:17,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:22:17,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:22:17,009 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:22:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:22:17,046 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2021-10-29 05:22:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:22:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:22:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:22:17,052 INFO L225 Difference]: With dead ends: 107 [2021-10-29 05:22:17,052 INFO L226 Difference]: Without dead ends: 45 [2021-10-29 05:22:17,054 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:22:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-29 05:22:17,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-29 05:22:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:22:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-29 05:22:17,074 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-29 05:22:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:22:17,074 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-29 05:22:17,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:22:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-29 05:22:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:22:17,079 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:22:17,079 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] [2021-10-29 05:22:17,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:22:17,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:22:17,296 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:22:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:22:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash -458606052, now seen corresponding path program 1 times [2021-10-29 05:22:17,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:22:17,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136561886] [2021-10-29 05:22:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:22:17,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:22:17,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:22:17,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:22:17,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:22:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:22:17,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:22:17,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:22:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:17,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:22:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:17,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:22:17,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136561886] [2021-10-29 05:22:17,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136561886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:22:17,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:22:17,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:22:17,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456682664] [2021-10-29 05:22:17,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:22:17,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:22:17,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:22:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:22:17,785 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-10-29 05:22:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:22:17,811 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2021-10-29 05:22:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:22:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 [2021-10-29 05:22:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:22:17,815 INFO L225 Difference]: With dead ends: 84 [2021-10-29 05:22:17,815 INFO L226 Difference]: Without dead ends: 45 [2021-10-29 05:22:17,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:22:17,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-29 05:22:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-29 05:22:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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) [2021-10-29 05:22:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-29 05:22:17,831 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-29 05:22:17,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:22:17,832 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-29 05:22:17,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-10-29 05:22:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-29 05:22:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:22:17,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:22:17,836 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:22:17,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:22:18,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:22:18,051 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:22:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:22:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash 708469066, now seen corresponding path program 1 times [2021-10-29 05:22:18,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:22:18,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088065139] [2021-10-29 05:22:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:22:18,053 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:22:18,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:22:18,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:22:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:22:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:22:18,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:22:18,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:22:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:18,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:22:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:22:18,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:22:18,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088065139] [2021-10-29 05:22:18,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088065139] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:22:18,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:22:18,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:22:18,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098160751] [2021-10-29 05:22:18,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:22:18,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:22:18,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:22:18,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:22:18,568 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-10-29 05:22:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:22:18,948 INFO L93 Difference]: Finished difference Result 500 states and 749 transitions. [2021-10-29 05:22:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:22:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:22:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:22:18,955 INFO L225 Difference]: With dead ends: 500 [2021-10-29 05:22:18,955 INFO L226 Difference]: Without dead ends: 461 [2021-10-29 05:22:18,958 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:22:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-29 05:22:18,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 114. [2021-10-29 05:22:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 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) [2021-10-29 05:22:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2021-10-29 05:22:18,996 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 26 [2021-10-29 05:22:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:22:18,997 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2021-10-29 05:22:18,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-10-29 05:22:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2021-10-29 05:22:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:22:18,999 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:22:18,999 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:22:19,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:22:19,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:22:19,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:22:19,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:22:19,213 INFO L85 PathProgramCache]: Analyzing trace with hash 99432520, now seen corresponding path program 1 times [2021-10-29 05:22:19,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:22:19,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255450571] [2021-10-29 05:22:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:22:19,215 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:22:19,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:22:19,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:22:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:22:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:22:20,945 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:22:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:22:22,287 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:22:22,288 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:22:22,289 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:22:22,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:22:22,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:22:22,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-29 05:22:22,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:22:22,559 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:22:22,563 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:22:22,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:22:22 BoogieIcfgContainer [2021-10-29 05:22:22,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:22:22,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:22:22,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:22:22,737 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:22:22,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:22:15" (3/4) ... [2021-10-29 05:22:22,745 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:22:22,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:22:22,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:22:22,875 INFO L168 Benchmark]: Toolchain (without parser) took 11283.49 ms. Allocated memory was 73.4 MB in the beginning and 115.3 MB in the end (delta: 41.9 MB). Free memory was 56.9 MB in the beginning and 80.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,876 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 59.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:22:22,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.95 ms. Allocated memory is still 73.4 MB. Free memory was 56.7 MB in the beginning and 54.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.2 MB in the beginning and 50.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,878 INFO L168 Benchmark]: Boogie Preprocessor took 85.82 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 48.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,878 INFO L168 Benchmark]: RCFGBuilder took 2928.45 ms. Allocated memory was 73.4 MB in the beginning and 115.3 MB in the end (delta: 41.9 MB). Free memory was 47.8 MB in the beginning and 84.3 MB in the end (delta: -36.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,878 INFO L168 Benchmark]: TraceAbstraction took 7379.41 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 91.7 MB in the end (delta: -7.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,880 INFO L168 Benchmark]: Witness Printer took 137.15 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 80.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:22:22,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 59.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 650.95 ms. Allocated memory is still 73.4 MB. Free memory was 56.7 MB in the beginning and 54.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.2 MB in the beginning and 50.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.82 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 48.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2928.45 ms. Allocated memory was 73.4 MB in the beginning and 115.3 MB in the end (delta: 41.9 MB). Free memory was 47.8 MB in the beginning and 84.3 MB in the end (delta: -36.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7379.41 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 91.7 MB in the end (delta: -7.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. * Witness Printer took 137.15 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 80.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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 - CounterExampleResult [Line: 608]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int pumpRunning = 0; [L426] int systemActive = 1; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L930] int retValue_acc ; [L933] retValue_acc = 1 [L934] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE waterLevel < 2 [L701] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] COND TRUE \read(systemActive) [L488] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] COND FALSE !(\read(pumpRunning)) [L462] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L465] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L871] int tmp ; [L872] int tmp___0 ; [L873] int tmp___1 ; [L721] int retValue_acc ; [L724] retValue_acc = methaneLevelCritical [L725] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] tmp = isMethaneLevelCritical() [L879] COND FALSE !(\read(tmp)) [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] tmp___0 = getWaterLevel() [L885] COND TRUE tmp___0 == 2 [L540] int retValue_acc ; [L543] retValue_acc = pumpRunning [L544] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L887] tmp___1 = isPumpRunning() [L889] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 608]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 608]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 746 SDslu, 804 SDs, 0 SdLazy, 133 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 347 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:22:22,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9e03bc-cbda-4a11-9f3a-f2b450d304fa/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...