./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE --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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 ............................................................................................................................................ 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_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE --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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:30:34,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:30:34,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:30:34,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:30:34,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:30:34,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:30:34,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:30:34,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:30:34,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:30:34,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:30:34,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:30:34,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:30:34,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:30:34,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:30:34,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:30:34,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:30:34,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:30:34,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:30:34,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:30:34,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:30:34,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:30:34,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:30:34,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:30:34,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:30:34,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:30:34,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:30:34,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:30:34,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:30:34,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:30:34,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:30:34,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:30:34,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:30:34,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:30:34,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:30:34,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:30:34,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:30:34,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:30:34,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:30:34,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:30:34,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:30:34,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:30:34,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:30:34,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:30:34,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:30:34,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:30:34,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:30:34,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:30:34,270 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:30:34,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:30:34,270 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:30:34,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:30:34,271 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:30:34,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:30:34,271 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:30:34,271 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:30:34,272 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:30:34,272 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:30:34,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:30:34,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:30:34,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:30:34,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:30:34,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:30:34,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:30:34,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:30:34,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:30:34,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:30:34,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:30:34,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:30:34,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:30:34,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:30:34,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:30:34,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:30:34,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:30:34,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:30:34,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:30:34,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:30:34,277 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:30:34,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:30:34,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:30:34,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:30:34,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:30:34,278 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_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2021-10-24 10:30:34,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:30:34,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:30:34,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:30:34,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:30:34,552 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:30:34,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-24 10:30:34,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/fc98b5470/196879dde5f3425aa7f6a805786b5407/FLAGebadf65c6 [2021-10-24 10:30:35,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:30:35,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-24 10:30:35,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/fc98b5470/196879dde5f3425aa7f6a805786b5407/FLAGebadf65c6 [2021-10-24 10:30:35,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/fc98b5470/196879dde5f3425aa7f6a805786b5407 [2021-10-24 10:30:35,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:30:35,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:30:35,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:30:35,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:30:35,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:30:35,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:35" (1/1) ... [2021-10-24 10:30:35,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c390d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:35, skipping insertion in model container [2021-10-24 10:30:35,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:35" (1/1) ... [2021-10-24 10:30:35,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:30:35,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:30:35,962 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_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-24 10:30:35,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:30:35,974 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) [2021-10-24 10:30:35,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3728852b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:35, skipping insertion in model container [2021-10-24 10:30:35,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:30:35,976 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:30:35,978 INFO L168 Benchmark]: Toolchain (without parser) took 358.35 ms. Allocated memory is still 109.1 MB. Free memory was 73.2 MB in the beginning and 82.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:35,979 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:30:35,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.66 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 82.4 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:35,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.66 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 82.4 MB in the end (delta: -9.4 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: 545]: 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-e943c26 [2021-10-24 10:30:38,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:30:38,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:30:38,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:30:38,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:30:38,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:30:38,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:30:38,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:30:38,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:30:38,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:30:38,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:30:38,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:30:38,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:30:38,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:30:38,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:30:38,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:30:38,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:30:38,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:30:38,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:30:38,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:30:38,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:30:38,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:30:38,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:30:38,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:30:38,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:30:38,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:30:38,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:30:38,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:30:38,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:30:38,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:30:38,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:30:38,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:30:38,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:30:38,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:30:38,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:30:38,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:30:38,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:30:38,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:30:38,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:30:38,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:30:38,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:30:38,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:30:38,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:30:38,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:30:38,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:30:38,335 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:30:38,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:30:38,335 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:30:38,336 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:30:38,336 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:30:38,336 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:30:38,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:30:38,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:30:38,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:30:38,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:30:38,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:30:38,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:30:38,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:30:38,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:30:38,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:30:38,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:30:38,341 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:30:38,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:30:38,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:30:38,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:30:38,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:30:38,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:30:38,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:30:38,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:30:38,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:30:38,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:30:38,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:30:38,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:30:38,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:30:38,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:30:38,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:30:38,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:30:38,345 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_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2021-10-24 10:30:38,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:30:38,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:30:38,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:30:38,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:30:38,756 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:30:38,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-24 10:30:38,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/20b8b5921/c6213ce4263f45f9b854abdc8c5bc4d4/FLAGcb96ccb79 [2021-10-24 10:30:39,463 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:30:39,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-24 10:30:39,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/20b8b5921/c6213ce4263f45f9b854abdc8c5bc4d4/FLAGcb96ccb79 [2021-10-24 10:30:39,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/data/20b8b5921/c6213ce4263f45f9b854abdc8c5bc4d4 [2021-10-24 10:30:39,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:30:39,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:30:39,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:30:39,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:30:39,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:30:39,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:39" (1/1) ... [2021-10-24 10:30:39,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df74af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:39, skipping insertion in model container [2021-10-24 10:30:39,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:39" (1/1) ... [2021-10-24 10:30:39,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:30:39,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:30:40,179 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_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-24 10:30:40,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:30:40,207 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:30:40,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:30:40,329 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_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-24 10:30:40,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:30:40,335 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:30:40,399 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_edbb9596-ce68-4196-bad7-333047a0ae91/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-24 10:30:40,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:30:40,420 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:30:40,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40 WrapperNode [2021-10-24 10:30:40,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:30:40,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:30:40,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:30:40,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:30:40,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:30:40,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:30:40,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:30:40,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:30:40,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:30:40,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:30:40,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:30:40,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:30:40,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (1/1) ... [2021-10-24 10:30:40,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:30:40,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:30:40,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:30:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:30:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:30:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:30:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:30:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:30:42,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:30:42,748 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-24 10:30:42,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:42 BoogieIcfgContainer [2021-10-24 10:30:42,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:30:42,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:30:42,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:30:42,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:30:42,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:30:39" (1/3) ... [2021-10-24 10:30:42,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289e2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:42, skipping insertion in model container [2021-10-24 10:30:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:40" (2/3) ... [2021-10-24 10:30:42,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289e2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:42, skipping insertion in model container [2021-10-24 10:30:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:42" (3/3) ... [2021-10-24 10:30:42,758 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2021-10-24 10:30:42,763 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:30:42,764 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:30:42,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:30:42,816 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 [2021-10-24 10:30:42,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:30:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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) [2021-10-24 10:30:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:30:42,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:30:42,838 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:30:42,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:30:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:30:42,844 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2021-10-24 10:30:42,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:30:42,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558330849] [2021-10-24 10:30:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:30:42,859 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:30:42,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:30:42,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:30:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:30:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:30:43,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:30:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:30:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:43,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:30:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:43,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:30:43,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558330849] [2021-10-24 10:30:43,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558330849] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:30:43,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:30:43,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:30:43,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034996310] [2021-10-24 10:30:43,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:30:43,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:30:43,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:30:43,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:30:43,284 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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) [2021-10-24 10:30:43,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:30:43,309 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-24 10:30:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:30:43,311 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 [2021-10-24 10:30:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:30:43,321 INFO L225 Difference]: With dead ends: 151 [2021-10-24 10:30:43,321 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:30:43,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:30:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:30:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 10:30:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 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) [2021-10-24 10:30:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-24 10:30:43,363 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-24 10:30:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:30:43,364 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-24 10:30:43,364 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) [2021-10-24 10:30:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-24 10:30:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:30:43,365 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:30:43,366 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:30:43,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:30:43,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:30:43,581 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:30:43,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:30:43,582 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2021-10-24 10:30:43,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:30:43,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063410705] [2021-10-24 10:30:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:30:43,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:30:43,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:30:43,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:30:43,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:30:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:30:43,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:30:43,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:30:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:43,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:30:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:43,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:30:43,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063410705] [2021-10-24 10:30:43,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063410705] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:30:43,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:30:43,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:30:43,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103870504] [2021-10-24 10:30:43,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:30:43,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:30:43,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:30:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:30:43,985 INFO L87 Difference]: Start difference. First operand 75 states and 106 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) [2021-10-24 10:30:44,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:30:44,012 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-24 10:30:44,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:30:44,013 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 [2021-10-24 10:30:44,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:30:44,015 INFO L225 Difference]: With dead ends: 75 [2021-10-24 10:30:44,015 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:30:44,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:30:44,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:30:44,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:30:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 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) [2021-10-24 10:30:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:30:44,021 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:30:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:30:44,022 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:30:44,022 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) [2021-10-24 10:30:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:30:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:30:44,023 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:30:44,023 INFO L512 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] [2021-10-24 10:30:44,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:30:44,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:30:44,236 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:30:44,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:30:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2021-10-24 10:30:44,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:30:44,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038868057] [2021-10-24 10:30:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:30:44,238 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:30:44,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:30:44,246 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:30:44,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:30:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:30:44,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:30:44,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:30:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:44,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:30:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:44,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:30:44,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038868057] [2021-10-24 10:30:44,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038868057] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:30:44,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:30:44,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:30:44,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960360057] [2021-10-24 10:30:44,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:30:44,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:30:44,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:30:44,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:30:44,603 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:30:44,634 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-24 10:30:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:30:44,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:30:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:30:44,636 INFO L225 Difference]: With dead ends: 63 [2021-10-24 10:30:44,636 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:30:44,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:30:44,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:30:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:30:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 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) [2021-10-24 10:30:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-24 10:30:44,644 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-24 10:30:44,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:30:44,644 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-24 10:30:44,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-24 10:30:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:30:44,647 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:30:44,647 INFO L512 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] [2021-10-24 10:30:44,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:30:44,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:30:44,862 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:30:44,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:30:44,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2021-10-24 10:30:44,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:30:44,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462730818] [2021-10-24 10:30:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:30:44,864 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:30:44,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:30:44,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:30:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:30:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:30:45,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:30:45,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:30:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:45,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:30:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:45,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:30:45,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462730818] [2021-10-24 10:30:45,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462730818] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:30:45,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:30:45,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:30:45,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081526351] [2021-10-24 10:30:45,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:30:45,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:30:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:30:45,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:30:45,306 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:45,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:30:45,403 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-24 10:30:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:30:45,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:30:45,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:30:45,410 INFO L225 Difference]: With dead ends: 154 [2021-10-24 10:30:45,410 INFO L226 Difference]: Without dead ends: 126 [2021-10-24 10:30:45,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:30:45,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-24 10:30:45,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-24 10:30:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 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) [2021-10-24 10:30:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-24 10:30:45,433 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-24 10:30:45,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:30:45,434 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-24 10:30:45,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-24 10:30:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:30:45,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:30:45,439 INFO L512 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] [2021-10-24 10:30:45,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:30:45,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:30:45,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:30:45,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:30:45,660 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2021-10-24 10:30:45,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:30:45,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410273609] [2021-10-24 10:30:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:30:45,661 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:30:45,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:30:45,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:30:45,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:30:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:30:45,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:30:45,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:30:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:46,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:30:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:30:46,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:30:46,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410273609] [2021-10-24 10:30:46,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410273609] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:30:46,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:30:46,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:30:46,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948430901] [2021-10-24 10:30:46,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:30:46,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:30:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:30:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:30:46,125 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:30:46,213 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-24 10:30:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:30:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:30:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:30:46,215 INFO L225 Difference]: With dead ends: 150 [2021-10-24 10:30:46,215 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:30:46,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:30:46,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:30:46,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:30:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:30:46,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:30:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:30:46,217 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:30:46,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:30:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:30:46,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:30:46,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:30:46,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:30:46,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:30:46,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:30:46,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:30:46,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:30:46,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:30:46,793 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-24 10:30:46,794 INFO L857 garLoopResultBuilder]: For program point L927(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,794 INFO L857 garLoopResultBuilder]: For program point L927-1(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,794 INFO L857 garLoopResultBuilder]: For program point L927-2(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,794 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,794 INFO L853 garLoopResultBuilder]: At program point L350(lines 346 352) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,794 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L235(lines 234 281) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202-5(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202-6(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L857 garLoopResultBuilder]: For program point L202-8(lines 202 206) no Hoare annotation was computed. [2021-10-24 10:30:46,795 INFO L853 garLoopResultBuilder]: At program point L153(lines 148 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,795 INFO L853 garLoopResultBuilder]: At program point L153-1(lines 148 156) the Hoare annotation is: false [2021-10-24 10:30:46,796 INFO L853 garLoopResultBuilder]: At program point L153-2(lines 148 156) the Hoare annotation is: false [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L434-3(lines 434 438) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L434-6(lines 434 438) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L853 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: false [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2021-10-24 10:30:46,796 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-10-24 10:30:46,797 INFO L857 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2021-10-24 10:30:46,797 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 260) no Hoare annotation was computed. [2021-10-24 10:30:46,797 INFO L853 garLoopResultBuilder]: At program point L254-1(lines 254 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,797 INFO L860 garLoopResultBuilder]: At program point L387(lines 368 390) the Hoare annotation is: true [2021-10-24 10:30:46,797 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:30:46,797 INFO L853 garLoopResultBuilder]: At program point L272-2(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,797 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:30:46,797 INFO L853 garLoopResultBuilder]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,797 INFO L853 garLoopResultBuilder]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2021-10-24 10:30:46,798 INFO L853 garLoopResultBuilder]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2021-10-24 10:30:46,798 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2021-10-24 10:30:46,798 INFO L857 garLoopResultBuilder]: For program point L306-1(lines 68 74) no Hoare annotation was computed. [2021-10-24 10:30:46,798 INFO L853 garLoopResultBuilder]: At program point L75(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,798 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-24 10:30:46,798 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-24 10:30:46,798 INFO L853 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,798 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 918) no Hoare annotation was computed. [2021-10-24 10:30:46,799 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 1 930) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,803 INFO L857 garLoopResultBuilder]: For program point L901-2(lines 901 918) no Hoare annotation was computed. [2021-10-24 10:30:46,804 INFO L853 garLoopResultBuilder]: At program point L901-3(lines 1 930) the Hoare annotation is: false [2021-10-24 10:30:46,804 INFO L857 garLoopResultBuilder]: For program point L901-4(lines 901 918) no Hoare annotation was computed. [2021-10-24 10:30:46,804 INFO L853 garLoopResultBuilder]: At program point L901-5(lines 1 930) the Hoare annotation is: false [2021-10-24 10:30:46,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,805 INFO L853 garLoopResultBuilder]: At program point L208(lines 193 211) the Hoare annotation is: false [2021-10-24 10:30:46,805 INFO L853 garLoopResultBuilder]: At program point L208-1(lines 193 211) the Hoare annotation is: false [2021-10-24 10:30:46,806 INFO L853 garLoopResultBuilder]: At program point L208-2(lines 193 211) the Hoare annotation is: false [2021-10-24 10:30:46,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:30:46,807 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-24 10:30:46,807 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-24 10:30:46,809 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,809 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 915) no Hoare annotation was computed. [2021-10-24 10:30:46,809 INFO L857 garLoopResultBuilder]: For program point L905-2(lines 905 915) no Hoare annotation was computed. [2021-10-24 10:30:46,809 INFO L857 garLoopResultBuilder]: For program point L905-4(lines 905 915) no Hoare annotation was computed. [2021-10-24 10:30:46,809 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 912) no Hoare annotation was computed. [2021-10-24 10:30:46,810 INFO L857 garLoopResultBuilder]: For program point L906-2(lines 906 912) no Hoare annotation was computed. [2021-10-24 10:30:46,810 INFO L857 garLoopResultBuilder]: For program point L906-4(lines 906 912) no Hoare annotation was computed. [2021-10-24 10:30:46,810 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 385) no Hoare annotation was computed. [2021-10-24 10:30:46,812 INFO L853 garLoopResultBuilder]: At program point L890(lines 885 892) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,813 INFO L860 garLoopResultBuilder]: At program point L378-1(lines 378 385) the Hoare annotation is: true [2021-10-24 10:30:46,813 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:30:46,813 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 927) no Hoare annotation was computed. [2021-10-24 10:30:46,814 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 277) no Hoare annotation was computed. [2021-10-24 10:30:46,814 INFO L853 garLoopResultBuilder]: At program point L512(lines 507 515) the Hoare annotation is: false [2021-10-24 10:30:46,814 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 507 515) the Hoare annotation is: false [2021-10-24 10:30:46,816 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2021-10-24 10:30:46,816 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 507 515) the Hoare annotation is: false [2021-10-24 10:30:46,816 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2021-10-24 10:30:46,819 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2021-10-24 10:30:46,819 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2021-10-24 10:30:46,819 INFO L853 garLoopResultBuilder]: At program point L414(lines 1 930) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,820 INFO L853 garLoopResultBuilder]: At program point L282(lines 233 283) the Hoare annotation is: false [2021-10-24 10:30:46,820 INFO L853 garLoopResultBuilder]: At program point L68(lines 67 86) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:30:46,820 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-24 10:30:46,820 INFO L853 garLoopResultBuilder]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-24 10:30:46,824 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:30:46,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:30:46 BoogieIcfgContainer [2021-10-24 10:30:46,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:30:46,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:30:46,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:30:46,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:30:46,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:42" (3/4) ... [2021-10-24 10:30:46,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:30:46,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:30:46,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:30:46,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:30:46,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:30:46,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:30:46,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:30:46,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:30:46,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:30:46,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:30:46,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:30:46,983 INFO L168 Benchmark]: Toolchain (without parser) took 7189.46 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 34.4 MB in the beginning and 36.4 MB in the end (delta: -1.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,983 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:30:46,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.59 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 38.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 69.2 MB. Free memory was 38.7 MB in the beginning and 35.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,985 INFO L168 Benchmark]: Boogie Preprocessor took 70.91 ms. Allocated memory is still 69.2 MB. Free memory was 35.7 MB in the beginning and 51.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,985 INFO L168 Benchmark]: RCFGBuilder took 2188.56 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 39.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,985 INFO L168 Benchmark]: TraceAbstraction took 4103.16 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 38.9 MB in the beginning and 43.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,986 INFO L168 Benchmark]: Witness Printer took 125.35 ms. Allocated memory is still 94.4 MB. Free memory was 43.3 MB in the beginning and 36.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:30:46,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 627.59 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 38.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 69.2 MB. Free memory was 38.7 MB in the beginning and 35.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.91 ms. Allocated memory is still 69.2 MB. Free memory was 35.7 MB in the beginning and 51.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2188.56 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 39.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4103.16 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 38.9 MB in the beginning and 43.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Witness Printer took 125.35 ms. Allocated memory is still 94.4 MB. Free memory was 43.3 MB in the beginning and 36.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 927]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 927]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 927]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4015.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.0ms, AutomataDifference: 323.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 359.6ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 328 SDtfs, 312 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 93.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 60.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 242.9ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 108.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 140.1ms SsaConstructionTime, 609.5ms SatisfiabilityAnalysisTime, 924.5ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:30:47,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edbb9596-ce68-4196-bad7-333047a0ae91/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...