./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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 e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 ............................................................................................................................................ 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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 e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:24:36,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:24:36,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:24:36,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:24:36,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:24:36,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:24:36,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:24:36,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:24:36,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:24:36,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:24:36,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:24:36,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:24:36,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:24:36,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:24:36,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:24:36,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:24:36,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:24:36,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:24:36,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:24:36,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:24:36,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:24:36,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:24:36,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:24:36,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:24:36,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:24:36,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:24:36,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:24:36,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:24:36,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:24:36,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:24:36,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:24:36,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:24:36,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:24:36,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:24:36,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:24:36,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:24:36,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:24:36,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:24:36,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:24:36,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:24:36,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:24:36,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:24:36,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:24:36,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:24:36,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:24:36,373 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:24:36,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:24:36,374 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:24:36,374 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:24:36,374 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:24:36,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:24:36,375 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:24:36,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:24:36,376 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:24:36,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:24:36,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:24:36,377 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:24:36,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:24:36,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:24:36,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:24:36,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:24:36,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:24:36,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:24:36,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:24:36,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:24:36,379 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:24:36,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:24:36,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:24:36,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:24:36,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:24:36,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:24:36,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:24:36,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:24:36,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:24:36,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:24:36,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:24:36,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:24:36,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:24:36,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:24:36,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:24:36,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:24:36,383 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 [2021-10-24 10:24:36,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:24:36,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:24:36,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:24:36,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:24:36,692 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:24:36,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-24 10:24:36,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/81e09eb14/5ce29dad5c044c4a9a2fb7ae321aab71/FLAG81acff7a3 [2021-10-24 10:24:37,413 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:24:37,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-24 10:24:37,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/81e09eb14/5ce29dad5c044c4a9a2fb7ae321aab71/FLAG81acff7a3 [2021-10-24 10:24:37,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/81e09eb14/5ce29dad5c044c4a9a2fb7ae321aab71 [2021-10-24 10:24:37,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:24:37,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:24:37,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:24:37,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:24:37,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:24:37,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:24:37" (1/1) ... [2021-10-24 10:24:37,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274de86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:37, skipping insertion in model container [2021-10-24 10:24:37,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:24:37" (1/1) ... [2021-10-24 10:24:37,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:24:37,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:24:38,075 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-24 10:24:38,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:24:38,109 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 10:24:38,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75389506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:38, skipping insertion in model container [2021-10-24 10:24:38,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:24:38,111 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:24:38,113 INFO L168 Benchmark]: Toolchain (without parser) took 393.50 ms. Allocated memory is still 88.1 MB. Free memory was 49.9 MB in the beginning and 62.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:38,114 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:24:38,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.71 ms. Allocated memory is still 88.1 MB. Free memory was 49.7 MB in the beginning and 62.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:38,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.71 ms. Allocated memory is still 88.1 MB. Free memory was 49.7 MB in the beginning and 62.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 281]: 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 10:24:40,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:24:40,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:24:40,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:24:40,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:24:40,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:24:40,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:24:40,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:24:40,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:24:40,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:24:40,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:24:40,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:24:40,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:24:40,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:24:40,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:24:40,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:24:40,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:24:40,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:24:40,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:24:40,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:24:40,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:24:40,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:24:40,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:24:40,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:24:40,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:24:40,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:24:40,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:24:40,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:24:40,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:24:40,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:24:40,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:24:40,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:24:40,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:24:40,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:24:40,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:24:40,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:24:40,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:24:40,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:24:40,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:24:40,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:24:40,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:24:40,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:24:40,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:24:40,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:24:40,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:24:40,683 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:24:40,683 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:24:40,683 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:24:40,684 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:24:40,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:24:40,684 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:24:40,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:24:40,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:24:40,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:24:40,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:24:40,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:24:40,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:24:40,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:24:40,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:24:40,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:24:40,690 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:24:40,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:24:40,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:24:40,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:24:40,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:24:40,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:24:40,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:24:40,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:24:40,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:24:40,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:24:40,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:24:40,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:24:40,694 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:24:40,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:24:40,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:24:40,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:24:40,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:24:40,696 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 [2021-10-24 10:24:41,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:24:41,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:24:41,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:24:41,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:24:41,138 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:24:41,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-24 10:24:41,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/21692323e/cc9fe2073026487eb2c63f8d66dcd429/FLAG150bb6cab [2021-10-24 10:24:41,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:24:41,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-24 10:24:41,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/21692323e/cc9fe2073026487eb2c63f8d66dcd429/FLAG150bb6cab [2021-10-24 10:24:42,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/data/21692323e/cc9fe2073026487eb2c63f8d66dcd429 [2021-10-24 10:24:42,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:24:42,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:24:42,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:24:42,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:24:42,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:24:42,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b669c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42, skipping insertion in model container [2021-10-24 10:24:42,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:24:42,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:24:42,537 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-24 10:24:42,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:24:42,616 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:24:42,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:24:42,707 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-24 10:24:42,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:24:42,727 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:24:42,801 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_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-24 10:24:42,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:24:42,845 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:24:42,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42 WrapperNode [2021-10-24 10:24:42,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:24:42,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:24:42,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:24:42,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:24:42,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:24:42,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:24:42,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:24:42,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:24:42,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:42,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:43,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:43,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:43,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:24:43,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:24:43,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:24:43,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:24:43,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (1/1) ... [2021-10-24 10:24:43,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:24:43,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:24:43,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:24:43,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:24:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:24:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:24:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:24:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:24:45,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:24:45,383 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-24 10:24:45,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:24:45 BoogieIcfgContainer [2021-10-24 10:24:45,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:24:45,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:24:45,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:24:45,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:24:45,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:24:42" (1/3) ... [2021-10-24 10:24:45,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371ad7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:24:45, skipping insertion in model container [2021-10-24 10:24:45,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:24:42" (2/3) ... [2021-10-24 10:24:45,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371ad7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:24:45, skipping insertion in model container [2021-10-24 10:24:45,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:24:45" (3/3) ... [2021-10-24 10:24:45,394 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-10-24 10:24:45,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:24:45,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:24:45,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:24:45,452 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 10:24:45,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:24:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 10:24:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:24:45,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:45,475 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 10:24:45,475 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 10:24:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:45,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2021-10-24 10:24:45,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:45,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155773164] [2021-10-24 10:24:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:45,496 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:45,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:45,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:45,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:24:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:45,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:24:45,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:45,800 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 10:24:45,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:45,874 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 10:24:45,875 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:45,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155773164] [2021-10-24 10:24:45,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155773164] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:45,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:45,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:24:45,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876342169] [2021-10-24 10:24:45,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:24:45,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:45,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:24:45,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:24:45,906 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 10:24:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:45,944 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-24 10:24:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:24:45,946 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 10:24:45,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:45,959 INFO L225 Difference]: With dead ends: 162 [2021-10-24 10:24:45,959 INFO L226 Difference]: Without dead ends: 80 [2021-10-24 10:24:45,962 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 10:24:45,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-24 10:24:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-24 10:24:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 79 states have internal predecessors, (114), 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 10:24:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-24 10:24:46,008 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-24 10:24:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:46,008 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-24 10:24:46,009 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 10:24:46,009 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-24 10:24:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:24:46,010 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:46,010 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 10:24:46,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:46,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:46,217 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 10:24:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:46,218 INFO L82 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2021-10-24 10:24:46,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:46,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980688820] [2021-10-24 10:24:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:46,219 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:46,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:46,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:24:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:46,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:24:46,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:46,522 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 10:24:46,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:46,585 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 10:24:46,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:46,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980688820] [2021-10-24 10:24:46,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980688820] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:46,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:46,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:24:46,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651644300] [2021-10-24 10:24:46,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:24:46,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:46,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:24:46,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:24:46,595 INFO L87 Difference]: Start difference. First operand 80 states and 114 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 10:24:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:46,626 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-24 10:24:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:24:46,627 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 10:24:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:46,629 INFO L225 Difference]: With dead ends: 80 [2021-10-24 10:24:46,629 INFO L226 Difference]: Without dead ends: 36 [2021-10-24 10:24:46,630 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:24:46,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-24 10:24:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-24 10:24:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.457142857142857) internal successors, (51), 35 states have internal predecessors, (51), 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 10:24:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-24 10:24:46,643 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-24 10:24:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:46,644 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-24 10:24:46,644 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 10:24:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-24 10:24:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:24:46,646 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:46,651 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 10:24:46,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:46,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:46,863 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 10:24:46,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:46,864 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2021-10-24 10:24:46,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:46,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118299336] [2021-10-24 10:24:46,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:46,865 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:46,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:46,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:24:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:47,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:24:47,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:47,152 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 10:24:47,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:47,253 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 10:24:47,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:47,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118299336] [2021-10-24 10:24:47,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118299336] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:47,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:47,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:24:47,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190300759] [2021-10-24 10:24:47,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:24:47,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:47,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:24:47,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:24:47,256 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:47,265 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-24 10:24:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:24:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:24:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:47,267 INFO L225 Difference]: With dead ends: 66 [2021-10-24 10:24:47,267 INFO L226 Difference]: Without dead ends: 36 [2021-10-24 10:24:47,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:24:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-24 10:24:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-24 10:24:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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 10:24:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-24 10:24:47,273 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-24 10:24:47,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:47,273 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-24 10:24:47,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-24 10:24:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:24:47,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:47,275 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 10:24:47,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:47,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:47,488 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 10:24:47,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:47,488 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2021-10-24 10:24:47,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:47,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502383647] [2021-10-24 10:24:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:47,490 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:47,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:47,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:24:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:47,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:24:47,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:47,760 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 10:24:47,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:47,820 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 10:24:47,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:47,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502383647] [2021-10-24 10:24:47,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502383647] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:47,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:47,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:24:47,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967917189] [2021-10-24 10:24:47,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:24:47,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:47,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:24:47,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:24:47,822 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 10:24:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:47,873 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-24 10:24:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:24:47,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 10:24:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:47,875 INFO L225 Difference]: With dead ends: 89 [2021-10-24 10:24:47,875 INFO L226 Difference]: Without dead ends: 59 [2021-10-24 10:24:47,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:24:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-24 10:24:47,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-24 10:24:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 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 10:24:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-24 10:24:47,883 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-24 10:24:47,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:47,884 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-24 10:24:47,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 10:24:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-24 10:24:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 10:24:47,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:47,886 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, 1, 1, 1, 1, 1] [2021-10-24 10:24:47,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 10:24:48,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:48,102 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 10:24:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2021-10-24 10:24:48,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:48,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537018740] [2021-10-24 10:24:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:48,104 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:48,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:48,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:24:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:48,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:24:48,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:48,424 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 10:24:48,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:48,486 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 10:24:48,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:48,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537018740] [2021-10-24 10:24:48,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537018740] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:48,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:48,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:24:48,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088004139] [2021-10-24 10:24:48,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:24:48,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:48,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:24:48,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:24:48,494 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 10:24:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:48,567 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-24 10:24:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:24:48,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-10-24 10:24:48,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:48,571 INFO L225 Difference]: With dead ends: 149 [2021-10-24 10:24:48,571 INFO L226 Difference]: Without dead ends: 98 [2021-10-24 10:24:48,572 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:24:48,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-24 10:24:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-24 10:24:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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 10:24:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-24 10:24:48,595 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-24 10:24:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:48,596 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-24 10:24:48,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 10:24:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-24 10:24:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 10:24:48,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:48,605 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, 1, 1, 1, 1, 1] [2021-10-24 10:24:48,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:48,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:48,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:24:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2021-10-24 10:24:48,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:48,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329020814] [2021-10-24 10:24:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:48,821 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:48,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:24:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:49,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:24:49,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:49,256 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 10:24:49,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:49,448 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 10:24:49,449 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:49,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329020814] [2021-10-24 10:24:49,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329020814] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:49,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:49,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:24:49,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076009443] [2021-10-24 10:24:49,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:24:49,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:24:49,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:24:49,451 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 10:24:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:49,850 INFO L93 Difference]: Finished difference Result 630 states and 907 transitions. [2021-10-24 10:24:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:24:49,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 31 [2021-10-24 10:24:49,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:49,856 INFO L225 Difference]: With dead ends: 630 [2021-10-24 10:24:49,856 INFO L226 Difference]: Without dead ends: 576 [2021-10-24 10:24:49,858 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 152.1ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:24:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-10-24 10:24:49,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2021-10-24 10:24:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.381578947368421) internal successors, (210), 152 states have internal predecessors, (210), 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 10:24:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2021-10-24 10:24:49,900 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 31 [2021-10-24 10:24:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:49,901 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2021-10-24 10:24:49,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 10:24:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2021-10-24 10:24:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:24:49,902 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:49,903 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, 1, 1, 1, 1, 1, 1] [2021-10-24 10:24:49,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:50,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:50,116 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:24:50,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:50,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2021-10-24 10:24:50,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:50,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464005549] [2021-10-24 10:24:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:50,118 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:50,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:50,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:50,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:24:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:50,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:24:50,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:50,428 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 10:24:50,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:50,513 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 10:24:50,513 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:50,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464005549] [2021-10-24 10:24:50,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464005549] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:50,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:50,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:24:50,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080924621] [2021-10-24 10:24:50,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:24:50,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:50,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:24:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:24:50,515 INFO L87 Difference]: Start difference. First operand 153 states and 210 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 10:24:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:50,586 INFO L93 Difference]: Finished difference Result 374 states and 523 transitions. [2021-10-24 10:24:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:24:50,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-24 10:24:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:50,589 INFO L225 Difference]: With dead ends: 374 [2021-10-24 10:24:50,589 INFO L226 Difference]: Without dead ends: 273 [2021-10-24 10:24:50,590 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:24:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-10-24 10:24:50,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 152. [2021-10-24 10:24:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 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 10:24:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-24 10:24:50,612 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-24 10:24:50,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:50,612 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-24 10:24:50,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 10:24:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-24 10:24:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:24:50,614 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:50,614 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, 1, 1, 1, 1, 1, 1] [2021-10-24 10:24:50,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:50,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:50,827 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:24:50,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:50,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2021-10-24 10:24:50,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:50,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999730203] [2021-10-24 10:24:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:50,829 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:50,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:50,830 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:50,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:24:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:51,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:24:51,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:51,165 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 10:24:51,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:51,258 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 10:24:51,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:51,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999730203] [2021-10-24 10:24:51,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999730203] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:51,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:51,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:24:51,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249552410] [2021-10-24 10:24:51,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:24:51,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:51,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:24:51,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:24:51,260 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:53,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:53,861 INFO L93 Difference]: Finished difference Result 388 states and 540 transitions. [2021-10-24 10:24:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:24:53,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 10:24:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:53,863 INFO L225 Difference]: With dead ends: 388 [2021-10-24 10:24:53,863 INFO L226 Difference]: Without dead ends: 123 [2021-10-24 10:24:53,863 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.2ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:24:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-24 10:24:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2021-10-24 10:24:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 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 10:24:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-10-24 10:24:53,878 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2021-10-24 10:24:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:53,878 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-10-24 10:24:53,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-10-24 10:24:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:24:53,882 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:24:53,882 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, 1, 1, 1, 1, 1, 1] [2021-10-24 10:24:53,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:54,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:54,096 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:24:54,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:24:54,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2021-10-24 10:24:54,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:24:54,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663480086] [2021-10-24 10:24:54,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:24:54,097 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:24:54,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:24:54,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:24:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:24:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:24:54,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:24:54,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:24:54,513 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 10:24:54,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:24:54,614 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 10:24:54,614 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:24:54,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663480086] [2021-10-24 10:24:54,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663480086] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:24:54,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:24:54,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:24:54,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271621016] [2021-10-24 10:24:54,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:24:54,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:24:54,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:24:54,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:24:54,616 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:24:54,681 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2021-10-24 10:24:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:24:54,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 10:24:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:24:54,683 INFO L225 Difference]: With dead ends: 160 [2021-10-24 10:24:54,683 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:24:54,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 59.5ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:24:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:24:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:24:54,684 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 10:24:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:24:54,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-24 10:24:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:24:54,685 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:24:54,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:24:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:24:54,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:24:54,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:24:54,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:24:54,689 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:24:54,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:24:54,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:24:54,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:24:54,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:54,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:54,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:55,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:24:56,742 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,742 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:24:56,743 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-10-24 10:24:56,743 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 648 654) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,743 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:24:56,743 INFO L853 garLoopResultBuilder]: At program point L913(lines 908 916) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:24:56,743 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2021-10-24 10:24:56,744 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 1 916) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,744 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 877) no Hoare annotation was computed. [2021-10-24 10:24:56,744 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 1 916) the Hoare annotation is: false [2021-10-24 10:24:56,744 INFO L857 garLoopResultBuilder]: For program point L864-4(lines 864 877) no Hoare annotation was computed. [2021-10-24 10:24:56,744 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 1 916) the Hoare annotation is: false [2021-10-24 10:24:56,744 INFO L853 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: false [2021-10-24 10:24:56,744 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 679) no Hoare annotation was computed. [2021-10-24 10:24:56,744 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-10-24 10:24:56,745 INFO L860 garLoopResultBuilder]: At program point L239-1(lines 239 246) the Hoare annotation is: true [2021-10-24 10:24:56,745 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:24:56,745 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:24:56,745 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L868-2(lines 868 874) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L868-4(lines 868 874) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L736-1(lines 736 753) no Hoare annotation was computed. [2021-10-24 10:24:56,746 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2021-10-24 10:24:56,747 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,747 INFO L853 garLoopResultBuilder]: At program point L704(lines 703 722) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,747 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2021-10-24 10:24:56,747 INFO L853 garLoopResultBuilder]: At program point L704-2(lines 703 722) the Hoare annotation is: false [2021-10-24 10:24:56,747 INFO L853 garLoopResultBuilder]: At program point L704-3(lines 703 722) the Hoare annotation is: false [2021-10-24 10:24:56,747 INFO L857 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L623-2(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L838-3(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L838-5(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,748 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-10-24 10:24:56,749 INFO L857 garLoopResultBuilder]: For program point L838-6(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,749 INFO L857 garLoopResultBuilder]: For program point L838-8(lines 838 842) no Hoare annotation was computed. [2021-10-24 10:24:56,749 INFO L853 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:24:56,749 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 784 792) the Hoare annotation is: false [2021-10-24 10:24:56,749 INFO L853 garLoopResultBuilder]: At program point L789-2(lines 784 792) the Hoare annotation is: false [2021-10-24 10:24:56,749 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) .cse2))) [2021-10-24 10:24:56,749 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-10-24 10:24:56,750 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-24 10:24:56,750 INFO L853 garLoopResultBuilder]: At program point L905(lines 1 916) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L740-1(lines 740 748) no Hoare annotation was computed. [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L740-2(lines 740 748) no Hoare annotation was computed. [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 704 710) no Hoare annotation was computed. [2021-10-24 10:24:56,750 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:24:56,751 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:24:56,751 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:24:56,751 INFO L853 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:24:56,751 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2021-10-24 10:24:56,751 INFO L853 garLoopResultBuilder]: At program point L658-1(lines 658 664) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,751 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2021-10-24 10:24:56,751 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-24 10:24:56,751 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:24:56,752 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2021-10-24 10:24:56,752 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-24 10:24:56,752 INFO L857 garLoopResultBuilder]: For program point L858-2(lines 858 878) no Hoare annotation was computed. [2021-10-24 10:24:56,752 INFO L857 garLoopResultBuilder]: For program point L858-4(lines 858 878) no Hoare annotation was computed. [2021-10-24 10:24:56,752 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))))) [2021-10-24 10:24:56,752 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-24 10:24:56,752 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-24 10:24:56,753 INFO L860 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: false [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 711 717) the Hoare annotation is: false [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:24:56,753 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:24:56,754 INFO L853 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse4))) [2021-10-24 10:24:56,754 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 829 847) the Hoare annotation is: false [2021-10-24 10:24:56,754 INFO L853 garLoopResultBuilder]: At program point L844-2(lines 829 847) the Hoare annotation is: false [2021-10-24 10:24:56,754 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-10-24 10:24:56,754 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 704 710) no Hoare annotation was computed. [2021-10-24 10:24:56,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:24:56,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:24:56 BoogieIcfgContainer [2021-10-24 10:24:56,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:24:56,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:24:56,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:24:56,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:24:56,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:24:45" (3/4) ... [2021-10-24 10:24:56,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:24:56,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:24:56,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:24:56,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:24:56,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:24:56,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:24:56,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:24:56,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:24:56,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:24:56,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-24 10:24:56,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((\result == 1bv32 && splverifierCounter == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:24:56,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result [2021-10-24 10:24:56,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:24:56,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:24:56,919 INFO L168 Benchmark]: Toolchain (without parser) took 14820.65 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 22.5 MB in the beginning and 35.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,919 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:24:56,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.92 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 33.4 MB in the beginning and 35.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.72 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 48.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,921 INFO L168 Benchmark]: Boogie Preprocessor took 79.51 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 45.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,921 INFO L168 Benchmark]: RCFGBuilder took 2362.86 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,922 INFO L168 Benchmark]: TraceAbstraction took 11407.00 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 42.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,922 INFO L168 Benchmark]: Witness Printer took 122.34 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 35.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:24:56,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 735.92 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 33.4 MB in the beginning and 35.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.72 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 48.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.51 ms. Allocated memory is still 67.1 MB. Free memory was 48.2 MB in the beginning and 45.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2362.86 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11407.00 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 42.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * Witness Printer took 122.34 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 35.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 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: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: 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, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11315.2ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 28.8ms, AutomataDifference: 3416.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1840.3ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 680 SDtfs, 994 SDslu, 1525 SDs, 0 SdLazy, 219 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2777.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 339.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=6, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 158.4ms AutomataMinimizationTime, 9 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 105 NumberOfFragments, 351 HoareAnnotationTreeSize, 33 FomulaSimplifications, 16868 FormulaSimplificationTreeSizeReduction, 622.7ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 2285 FormulaSimplificationTreeSizeReductionInter, 1205.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 185.0ms SsaConstructionTime, 1013.1ms SatisfiabilityAnalysisTime, 1831.8ms InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 766 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1853 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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: 784]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((\result == 1bv32 && splverifierCounter == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:24:57,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6970b3e2-3acc-44a6-ad0a-8dec15ceef72/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...