./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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 c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea ............................................................................................................................................ 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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 c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:32:09,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:32:09,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:32:09,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:32:09,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:32:09,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:32:09,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:32:09,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:32:09,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:32:09,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:32:09,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:32:09,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:32:09,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:32:09,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:32:09,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:32:09,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:32:09,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:32:09,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:32:09,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:32:09,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:32:09,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:32:09,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:32:09,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:32:09,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:32:09,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:32:09,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:32:09,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:32:09,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:32:09,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:32:09,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:32:09,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:32:09,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:32:09,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:32:09,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:32:09,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:32:09,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:32:09,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:32:09,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:32:09,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:32:09,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:32:09,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:32:09,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:32:09,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:32:09,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:32:09,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:32:09,458 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:32:09,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:32:09,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:32:09,459 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:32:09,459 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:32:09,466 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:32:09,467 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:32:09,468 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:32:09,468 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:32:09,469 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:32:09,469 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:32:09,469 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:32:09,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:32:09,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:32:09,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:32:09,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:32:09,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:32:09,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:32:09,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:32:09,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:32:09,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:32:09,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:32:09,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:32:09,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:32:09,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:32:09,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:32:09,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:32:09,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:32:09,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:32:09,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:32:09,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:32:09,475 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:32:09,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:32:09,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:32:09,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:32:09,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:32:09,476 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea [2021-10-24 10:32:09,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:32:09,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:32:09,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:32:09,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:32:09,826 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:32:09,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-10-24 10:32:09,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/fa493ca63/d8dd180ee4004c2caa4cffe6acece8d6/FLAGbc85a9168 [2021-10-24 10:32:10,448 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:32:10,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-10-24 10:32:10,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/fa493ca63/d8dd180ee4004c2caa4cffe6acece8d6/FLAGbc85a9168 [2021-10-24 10:32:10,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/fa493ca63/d8dd180ee4004c2caa4cffe6acece8d6 [2021-10-24 10:32:10,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:32:10,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:32:10,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:32:10,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:32:10,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:32:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:10" (1/1) ... [2021-10-24 10:32:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:10, skipping insertion in model container [2021-10-24 10:32:10,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:10" (1/1) ... [2021-10-24 10:32:10,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:32:10,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:32:11,067 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2021-10-24 10:32:11,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:32:11,191 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 10:32:11,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f017e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:11, skipping insertion in model container [2021-10-24 10:32:11,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:32:11,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:32:11,194 INFO L168 Benchmark]: Toolchain (without parser) took 389.33 ms. Allocated memory is still 109.1 MB. Free memory was 70.4 MB in the beginning and 81.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:11,195 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 109.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:32:11,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.09 ms. Allocated memory is still 109.1 MB. Free memory was 70.2 MB in the beginning and 81.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:11,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 109.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.09 ms. Allocated memory is still 109.1 MB. Free memory was 70.2 MB in the beginning and 81.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 537]: 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 10:32:13,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:32:13,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:32:13,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:32:13,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:32:13,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:32:13,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:32:13,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:32:13,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:32:13,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:32:13,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:32:13,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:32:13,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:32:13,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:32:13,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:32:13,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:32:13,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:32:13,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:32:13,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:32:13,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:32:13,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:32:13,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:32:13,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:32:13,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:32:13,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:32:13,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:32:13,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:32:13,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:32:13,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:32:13,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:32:13,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:32:13,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:32:13,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:32:13,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:32:13,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:32:13,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:32:13,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:32:13,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:32:13,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:32:13,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:32:13,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:32:13,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:32:13,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:32:13,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:32:13,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:32:13,711 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:32:13,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:32:13,711 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:32:13,712 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:32:13,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:32:13,712 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:32:13,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:32:13,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:32:13,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:32:13,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:32:13,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:32:13,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:32:13,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:32:13,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:32:13,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:32:13,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:32:13,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:32:13,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:32:13,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:32:13,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:32:13,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:32:13,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:32:13,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:32:13,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:32:13,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:32:13,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:32:13,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:32:13,720 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:32:13,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:13,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:32:13,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:32:13,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:32:13,721 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea [2021-10-24 10:32:14,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:32:14,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:32:14,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:32:14,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:32:14,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:32:14,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-10-24 10:32:14,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/4ee5a49f1/a0ed0ff4e3b741f4a9866b18b9f4850a/FLAGb33e35f49 [2021-10-24 10:32:14,983 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:32:14,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2021-10-24 10:32:15,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/4ee5a49f1/a0ed0ff4e3b741f4a9866b18b9f4850a/FLAGb33e35f49 [2021-10-24 10:32:15,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/data/4ee5a49f1/a0ed0ff4e3b741f4a9866b18b9f4850a [2021-10-24 10:32:15,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:32:15,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:32:15,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:32:15,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:32:15,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:32:15,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:15" (1/1) ... [2021-10-24 10:32:15,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f779335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:15, skipping insertion in model container [2021-10-24 10:32:15,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:15" (1/1) ... [2021-10-24 10:32:15,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:32:15,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:32:15,625 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2021-10-24 10:32:15,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:32:15,850 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:32:15,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:32:15,887 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2021-10-24 10:32:15,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:32:15,992 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:32:16,012 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_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2021-10-24 10:32:16,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:32:16,122 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:32:16,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16 WrapperNode [2021-10-24 10:32:16,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:32:16,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:32:16,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:32:16,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:32:16,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:32:16,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:32:16,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:32:16,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:32:16,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:32:16,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:32:16,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:32:16,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:32:16,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (1/1) ... [2021-10-24 10:32:16,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:32:16,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:32:16,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:32:16,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:32:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:32:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:32:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:32:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:32:19,028 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:32:19,028 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-24 10:32:19,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:19 BoogieIcfgContainer [2021-10-24 10:32:19,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:32:19,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:32:19,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:32:19,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:32:19,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:32:15" (1/3) ... [2021-10-24 10:32:19,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bf5f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:19, skipping insertion in model container [2021-10-24 10:32:19,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:16" (2/3) ... [2021-10-24 10:32:19,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bf5f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:19, skipping insertion in model container [2021-10-24 10:32:19,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:19" (3/3) ... [2021-10-24 10:32:19,040 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2021-10-24 10:32:19,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:32:19,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:32:19,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:32:19,142 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 10:32:19,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:32:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 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 10:32:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:32:19,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:19,168 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:19,169 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 10:32:19,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:19,173 INFO L82 PathProgramCache]: Analyzing trace with hash -330245923, now seen corresponding path program 1 times [2021-10-24 10:32:19,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:19,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077068136] [2021-10-24 10:32:19,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:19,186 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:19,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:19,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:32:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:19,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:32:19,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:19,502 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 10:32:19,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:19,574 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 10:32:19,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:19,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077068136] [2021-10-24 10:32:19,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077068136] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:19,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:19,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:32:19,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617663058] [2021-10-24 10:32:19,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:32:19,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:32:19,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:32:19,604 INFO L87 Difference]: Start difference. First operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:19,662 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2021-10-24 10:32:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:32:19,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:32:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:19,674 INFO L225 Difference]: With dead ends: 256 [2021-10-24 10:32:19,675 INFO L226 Difference]: Without dead ends: 127 [2021-10-24 10:32:19,678 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 10:32:19,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-24 10:32:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2021-10-24 10:32:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.4758064516129032) internal successors, (183), 126 states have internal predecessors, (183), 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 10:32:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2021-10-24 10:32:19,737 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2021-10-24 10:32:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:19,737 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2021-10-24 10:32:19,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2021-10-24 10:32:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:32:19,739 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:19,739 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:19,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:19,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:19,944 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 10:32:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 450073546, now seen corresponding path program 1 times [2021-10-24 10:32:19,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:19,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111462700] [2021-10-24 10:32:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:19,946 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:19,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:19,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:19,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:32:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:20,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:20,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:20,226 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 10:32:20,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:20,278 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 10:32:20,279 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:20,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111462700] [2021-10-24 10:32:20,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111462700] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:20,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:20,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:32:20,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530097978] [2021-10-24 10:32:20,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:32:20,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:32:20,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:20,283 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:20,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:20,299 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-10-24 10:32:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:32:20,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:32:20,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:20,300 INFO L225 Difference]: With dead ends: 127 [2021-10-24 10:32:20,301 INFO L226 Difference]: Without dead ends: 53 [2021-10-24 10:32:20,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-24 10:32:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-24 10:32:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 10:32:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-24 10:32:20,309 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-24 10:32:20,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:20,309 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-24 10:32:20,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-24 10:32:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:32:20,311 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:20,311 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] [2021-10-24 10:32:20,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:20,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:20,527 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 10:32:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:20,527 INFO L82 PathProgramCache]: Analyzing trace with hash 445162074, now seen corresponding path program 1 times [2021-10-24 10:32:20,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:20,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341050193] [2021-10-24 10:32:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:20,529 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:20,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:20,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:20,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:32:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:20,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:20,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:20,899 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 10:32:20,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:21,001 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 10:32:21,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:21,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341050193] [2021-10-24 10:32:21,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341050193] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:21,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:21,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:32:21,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886842099] [2021-10-24 10:32:21,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:32:21,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:21,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:32:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:21,008 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 10:32:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:21,081 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2021-10-24 10:32:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:32:21,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:32:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:21,084 INFO L225 Difference]: With dead ends: 170 [2021-10-24 10:32:21,084 INFO L226 Difference]: Without dead ends: 123 [2021-10-24 10:32:21,085 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-24 10:32:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 72. [2021-10-24 10:32:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4788732394366197) internal successors, (105), 71 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2021-10-24 10:32:21,108 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 22 [2021-10-24 10:32:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:21,109 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2021-10-24 10:32:21,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 10:32:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-24 10:32:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:32:21,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:21,113 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 10:32:21,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:21,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:21,327 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 10:32:21,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash 96758808, now seen corresponding path program 1 times [2021-10-24 10:32:21,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:21,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332722658] [2021-10-24 10:32:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:21,329 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:21,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:21,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:32:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:21,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:21,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:21,615 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 10:32:21,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:21,680 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 10:32:21,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:21,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332722658] [2021-10-24 10:32:21,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332722658] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:21,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:21,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:32:21,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431216055] [2021-10-24 10:32:21,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:32:21,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:21,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:32:21,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:32:21,685 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:21,772 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2021-10-24 10:32:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:32:21,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:32:21,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:21,775 INFO L225 Difference]: With dead ends: 159 [2021-10-24 10:32:21,776 INFO L226 Difference]: Without dead ends: 93 [2021-10-24 10:32:21,779 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:32:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-24 10:32:21,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-10-24 10:32:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 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 10:32:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2021-10-24 10:32:21,802 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 24 [2021-10-24 10:32:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:21,803 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2021-10-24 10:32:21,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2021-10-24 10:32:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:32:21,805 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:21,805 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 10:32:21,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:22,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:22,019 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 10:32:22,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:22,019 INFO L82 PathProgramCache]: Analyzing trace with hash -732744145, now seen corresponding path program 1 times [2021-10-24 10:32:22,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:22,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536653054] [2021-10-24 10:32:22,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:22,021 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:22,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:22,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:32:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:22,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:22,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:22,364 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 10:32:22,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:22,459 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 10:32:22,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:22,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536653054] [2021-10-24 10:32:22,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536653054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:22,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:22,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:32:22,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764625858] [2021-10-24 10:32:22,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:32:22,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:22,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:32:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:32:22,462 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:22,629 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2021-10-24 10:32:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:32:22,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:32:22,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:22,633 INFO L225 Difference]: With dead ends: 440 [2021-10-24 10:32:22,633 INFO L226 Difference]: Without dead ends: 355 [2021-10-24 10:32:22,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:32:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-24 10:32:22,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 168. [2021-10-24 10:32:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.4131736526946108) internal successors, (236), 167 states have internal predecessors, (236), 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 10:32:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 236 transitions. [2021-10-24 10:32:22,662 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 236 transitions. Word has length 25 [2021-10-24 10:32:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:22,662 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 236 transitions. [2021-10-24 10:32:22,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2021-10-24 10:32:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:32:22,664 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:22,664 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:22,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:22,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:22,877 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 10:32:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash -936551239, now seen corresponding path program 1 times [2021-10-24 10:32:22,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:22,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218159260] [2021-10-24 10:32:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:22,879 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:22,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:22,880 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:32:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:23,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:23,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:23,200 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 10:32:23,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:23,266 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 10:32:23,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:23,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218159260] [2021-10-24 10:32:23,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218159260] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:23,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:23,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:32:23,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816141864] [2021-10-24 10:32:23,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:32:23,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:23,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:32:23,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:32:23,269 INFO L87 Difference]: Start difference. First operand 168 states and 236 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:23,471 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2021-10-24 10:32:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:32:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:32:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:23,475 INFO L225 Difference]: With dead ends: 478 [2021-10-24 10:32:23,475 INFO L226 Difference]: Without dead ends: 476 [2021-10-24 10:32:23,475 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:32:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-10-24 10:32:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 168. [2021-10-24 10:32:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.401197604790419) internal successors, (234), 167 states have internal predecessors, (234), 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 10:32:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2021-10-24 10:32:23,502 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 26 [2021-10-24 10:32:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:23,502 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2021-10-24 10:32:23,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:23,502 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2021-10-24 10:32:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:32:23,504 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:23,504 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, 1, 1] [2021-10-24 10:32:23,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:23,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:23,717 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 10:32:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:23,718 INFO L82 PathProgramCache]: Analyzing trace with hash 9848911, now seen corresponding path program 1 times [2021-10-24 10:32:23,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:23,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718717366] [2021-10-24 10:32:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:23,719 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:23,720 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:23,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:32:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:23,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:23,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:24,066 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 10:32:24,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:24,175 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 10:32:24,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:24,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718717366] [2021-10-24 10:32:24,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718717366] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:24,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:24,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:32:24,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375842646] [2021-10-24 10:32:24,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:32:24,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:32:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:24,177 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:24,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:24,263 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2021-10-24 10:32:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:32:24,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:32:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:24,267 INFO L225 Difference]: With dead ends: 624 [2021-10-24 10:32:24,267 INFO L226 Difference]: Without dead ends: 462 [2021-10-24 10:32:24,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:24,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-24 10:32:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 452. [2021-10-24 10:32:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 451 states have (on average 1.370288248337029) internal successors, (618), 451 states have internal predecessors, (618), 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 10:32:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 618 transitions. [2021-10-24 10:32:24,339 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 618 transitions. Word has length 34 [2021-10-24 10:32:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:24,339 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 618 transitions. [2021-10-24 10:32:24,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2021-10-24 10:32:24,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:32:24,341 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:24,342 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, 1, 1] [2021-10-24 10:32:24,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:24,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:24,555 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 10:32:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1289712589, now seen corresponding path program 1 times [2021-10-24 10:32:24,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:24,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467257213] [2021-10-24 10:32:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:24,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:24,558 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:32:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:24,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:24,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:24,918 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 10:32:24,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:24,984 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 10:32:24,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:24,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467257213] [2021-10-24 10:32:24,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467257213] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:24,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:24,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:32:24,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990386101] [2021-10-24 10:32:24,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:32:24,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:24,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:32:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:32:24,989 INFO L87 Difference]: Start difference. First operand 452 states and 618 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:25,165 INFO L93 Difference]: Finished difference Result 1370 states and 1852 transitions. [2021-10-24 10:32:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:32:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:32:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:25,172 INFO L225 Difference]: With dead ends: 1370 [2021-10-24 10:32:25,172 INFO L226 Difference]: Without dead ends: 924 [2021-10-24 10:32:25,175 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:32:25,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-10-24 10:32:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 482. [2021-10-24 10:32:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.3471933471933473) internal successors, (648), 481 states have internal predecessors, (648), 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 10:32:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 648 transitions. [2021-10-24 10:32:25,243 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 648 transitions. Word has length 34 [2021-10-24 10:32:25,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:25,244 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 648 transitions. [2021-10-24 10:32:25,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:25,244 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 648 transitions. [2021-10-24 10:32:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:32:25,247 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:25,247 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, 1, 1] [2021-10-24 10:32:25,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:25,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:25,460 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 10:32:25,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:25,461 INFO L82 PathProgramCache]: Analyzing trace with hash 702906575, now seen corresponding path program 1 times [2021-10-24 10:32:25,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:25,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610849801] [2021-10-24 10:32:25,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:25,462 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:25,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:25,463 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:25,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:32:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:25,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:32:25,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:25,852 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 10:32:25,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:25,949 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 10:32:25,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:25,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610849801] [2021-10-24 10:32:25,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610849801] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:25,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:25,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:32:25,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351309191] [2021-10-24 10:32:25,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:32:25,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:25,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:32:25,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:32:25,951 INFO L87 Difference]: Start difference. First operand 482 states and 648 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 10:32:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:26,071 INFO L93 Difference]: Finished difference Result 1155 states and 1547 transitions. [2021-10-24 10:32:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:32:26,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:32:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:26,076 INFO L225 Difference]: With dead ends: 1155 [2021-10-24 10:32:26,076 INFO L226 Difference]: Without dead ends: 679 [2021-10-24 10:32:26,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:32:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-10-24 10:32:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 328. [2021-10-24 10:32:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.342507645259939) internal successors, (439), 327 states have internal predecessors, (439), 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 10:32:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 439 transitions. [2021-10-24 10:32:26,129 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 439 transitions. Word has length 34 [2021-10-24 10:32:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:26,129 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 439 transitions. [2021-10-24 10:32:26,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 10:32:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 439 transitions. [2021-10-24 10:32:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:32:26,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:26,131 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, 1, 1, 1] [2021-10-24 10:32:26,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:26,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:26,347 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:26,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:26,348 INFO L82 PathProgramCache]: Analyzing trace with hash 939478607, now seen corresponding path program 1 times [2021-10-24 10:32:26,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:26,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853302088] [2021-10-24 10:32:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:26,349 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:26,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:26,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:26,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:32:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:26,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:32:26,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:26,769 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 10:32:26,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:26,908 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 10:32:26,908 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:26,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853302088] [2021-10-24 10:32:26,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853302088] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:26,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:26,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:32:26,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101135029] [2021-10-24 10:32:26,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:32:26,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:26,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:32:26,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:32:26,910 INFO L87 Difference]: Start difference. First operand 328 states and 439 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 10:32:28,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:28,993 INFO L93 Difference]: Finished difference Result 1604 states and 2116 transitions. [2021-10-24 10:32:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 10:32:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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) Word has length 35 [2021-10-24 10:32:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:29,001 INFO L225 Difference]: With dead ends: 1604 [2021-10-24 10:32:29,001 INFO L226 Difference]: Without dead ends: 1282 [2021-10-24 10:32:29,002 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 190.7ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 10:32:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2021-10-24 10:32:29,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 328. [2021-10-24 10:32:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.3180428134556574) internal successors, (431), 327 states have internal predecessors, (431), 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 10:32:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2021-10-24 10:32:29,063 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 35 [2021-10-24 10:32:29,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:29,063 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2021-10-24 10:32:29,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 10:32:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2021-10-24 10:32:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 10:32:29,065 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:29,065 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:29,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:29,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:29,279 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:29,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:29,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1267756066, now seen corresponding path program 1 times [2021-10-24 10:32:29,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:29,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336633034] [2021-10-24 10:32:29,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:29,280 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:29,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:29,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:29,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:32:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:29,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:32:29,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 10:32:29,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 10:32:29,876 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:29,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336633034] [2021-10-24 10:32:29,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336633034] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:29,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:29,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:32:29,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812509117] [2021-10-24 10:32:29,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:32:29,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:32:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:32:29,878 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 10:32:31,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:31,674 INFO L93 Difference]: Finished difference Result 1276 states and 1671 transitions. [2021-10-24 10:32:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 10:32:31,674 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 54 [2021-10-24 10:32:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:31,675 INFO L225 Difference]: With dead ends: 1276 [2021-10-24 10:32:31,675 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:32:31,677 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 207.9ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 10:32:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:32:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:32:31,678 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 10:32:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:32:31,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-24 10:32:31,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:31,678 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:32:31,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 10:32:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:32:31,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:32:31,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:31,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:31,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:31,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:31,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:31,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:32:31,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:31,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:32,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:32,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:32,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:32,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:33,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:34,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:34,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:34,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:34,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:34,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:35,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:35,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:35,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:35,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:36,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:37,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:38,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:38,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:38,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:38,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:52,432 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,433 INFO L853 garLoopResultBuilder]: At program point L366(lines 361 369) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,433 INFO L853 garLoopResultBuilder]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 308) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L853 garLoopResultBuilder]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L853 garLoopResultBuilder]: At program point L500(lines 451 501) the Hoare annotation is: false [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L270-2(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L270-3(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,434 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 142) no Hoare annotation was computed. [2021-10-24 10:32:52,435 INFO L857 garLoopResultBuilder]: For program point L270-4(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,435 INFO L857 garLoopResultBuilder]: For program point L270-5(lines 270 287) no Hoare annotation was computed. [2021-10-24 10:32:52,435 INFO L857 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2021-10-24 10:32:52,435 INFO L857 garLoopResultBuilder]: For program point L138-6(lines 138 142) no Hoare annotation was computed. [2021-10-24 10:32:52,435 INFO L853 garLoopResultBuilder]: At program point L238(lines 237 256) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:32:52,436 INFO L857 garLoopResultBuilder]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2021-10-24 10:32:52,436 INFO L853 garLoopResultBuilder]: At program point L238-2(lines 237 256) the Hoare annotation is: false [2021-10-24 10:32:52,436 INFO L853 garLoopResultBuilder]: At program point L238-3(lines 237 256) the Hoare annotation is: false [2021-10-24 10:32:52,436 INFO L860 garLoopResultBuilder]: At program point L966(lines 947 969) the Hoare annotation is: true [2021-10-24 10:32:52,436 INFO L853 garLoopResultBuilder]: At program point L934(lines 930 936) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,438 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2021-10-24 10:32:52,438 INFO L853 garLoopResultBuilder]: At program point L472-1(lines 472 478) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:32:52,438 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,438 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,438 INFO L857 garLoopResultBuilder]: For program point L274-1(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,439 INFO L857 garLoopResultBuilder]: For program point L274-2(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,439 INFO L853 garLoopResultBuilder]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-24 10:32:52,439 INFO L857 garLoopResultBuilder]: For program point L274-3(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,439 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 170 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,439 INFO L857 garLoopResultBuilder]: For program point L274-4(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,439 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-24 10:32:52,439 INFO L857 garLoopResultBuilder]: For program point L274-5(lines 274 282) no Hoare annotation was computed. [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-3(lines 170 178) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-6(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-7(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-8(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-9(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-10(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L175-11(lines 170 178) the Hoare annotation is: false [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L245(lines 245 251) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-24 10:32:52,440 INFO L853 garLoopResultBuilder]: At program point L245-1(lines 245 251) the Hoare annotation is: false [2021-10-24 10:32:52,441 INFO L853 garLoopResultBuilder]: At program point L245-2(lines 245 251) the Hoare annotation is: false [2021-10-24 10:32:52,441 INFO L853 garLoopResultBuilder]: At program point L113(lines 1 969) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215-3(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L215-5(lines 215 221) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L83-2(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 154) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,441 INFO L857 garLoopResultBuilder]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,442 INFO L857 garLoopResultBuilder]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,442 INFO L857 garLoopResultBuilder]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,442 INFO L857 garLoopResultBuilder]: For program point L415-9(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L415-11(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L415-12(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L415-14(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L415-15(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L415-17(lines 415 419) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 495) no Hoare annotation was computed. [2021-10-24 10:32:52,443 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L220(lines 211 224) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L220-1(lines 211 224) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L220-2(lines 211 224) the Hoare annotation is: false [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L220-3(lines 211 224) the Hoare annotation is: false [2021-10-24 10:32:52,444 INFO L853 garLoopResultBuilder]: At program point L220-4(lines 211 224) the Hoare annotation is: false [2021-10-24 10:32:52,445 INFO L853 garLoopResultBuilder]: At program point L220-5(lines 211 224) the Hoare annotation is: false [2021-10-24 10:32:52,445 INFO L857 garLoopResultBuilder]: For program point L453(lines 452 499) no Hoare annotation was computed. [2021-10-24 10:32:52,445 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-24 10:32:52,445 INFO L853 garLoopResultBuilder]: At program point L421(lines 406 424) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,445 INFO L853 garLoopResultBuilder]: At program point L421-1(lines 406 424) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:32:52,445 INFO L853 garLoopResultBuilder]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2021-10-24 10:32:52,446 INFO L853 garLoopResultBuilder]: At program point L421-3(lines 406 424) the Hoare annotation is: false [2021-10-24 10:32:52,446 INFO L853 garLoopResultBuilder]: At program point L421-4(lines 406 424) the Hoare annotation is: false [2021-10-24 10:32:52,446 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:32:52,446 INFO L853 garLoopResultBuilder]: At program point L421-5(lines 406 424) the Hoare annotation is: false [2021-10-24 10:32:52,446 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-10-24 10:32:52,447 INFO L853 garLoopResultBuilder]: At program point L488-1(lines 238 244) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:32:52,447 INFO L853 garLoopResultBuilder]: At program point L357(lines 350 360) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-24 10:32:52,447 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 350 360) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-2(lines 350 360) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-3(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-4(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-5(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-6(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-7(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,448 INFO L853 garLoopResultBuilder]: At program point L357-8(lines 350 360) the Hoare annotation is: false [2021-10-24 10:32:52,449 INFO L853 garLoopResultBuilder]: At program point L886-2(lines 886 900) the Hoare annotation is: false [2021-10-24 10:32:52,449 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:32:52,449 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:32:52,449 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 969) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:32:52,449 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:32:52,449 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 969) the Hoare annotation is: false [2021-10-24 10:32:52,449 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 969) the Hoare annotation is: false [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L887(line 887) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 166) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L890-1(lines 238 244) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 313) no Hoare annotation was computed. [2021-10-24 10:32:52,450 INFO L857 garLoopResultBuilder]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 964) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:32:52,451 INFO L860 garLoopResultBuilder]: At program point L957-1(lines 957 964) the Hoare annotation is: true [2021-10-24 10:32:52,452 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-10-24 10:32:52,452 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-10-24 10:32:52,452 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 462 468) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:32:52,452 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2021-10-24 10:32:52,452 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 429 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332-4(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332-6(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332-8(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,453 INFO L857 garLoopResultBuilder]: For program point L332-10(lines 332 338) no Hoare annotation was computed. [2021-10-24 10:32:52,458 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:32:52,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:32:52 BoogieIcfgContainer [2021-10-24 10:32:52,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:32:52,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:32:52,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:32:52,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:32:52,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:19" (3/4) ... [2021-10-24 10:32:52,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:32:52,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:32:52,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:32:52,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:32:52,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:32:52,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:32:52,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:32:52,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:32:52,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 10:32:52,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:32:52,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:32:52,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:32:52,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:32:52,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:32:52,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:32:52,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:32:52,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:32:52,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:32:52,686 INFO L168 Benchmark]: Toolchain (without parser) took 37410.62 ms. Allocated memory was 67.1 MB in the beginning and 232.8 MB in the end (delta: 165.7 MB). Free memory was 45.4 MB in the beginning and 103.5 MB in the end (delta: -58.1 MB). Peak memory consumption was 106.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,686 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:32:52,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.03 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 33.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.68 ms. Allocated memory is still 67.1 MB. Free memory was 33.9 MB in the beginning and 30.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,688 INFO L168 Benchmark]: Boogie Preprocessor took 72.41 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 30.1 MB in the beginning and 63.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,688 INFO L168 Benchmark]: RCFGBuilder took 2716.89 ms. Allocated memory is still 83.9 MB. Free memory was 63.4 MB in the beginning and 35.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,689 INFO L168 Benchmark]: TraceAbstraction took 33489.56 ms. Allocated memory was 83.9 MB in the beginning and 232.8 MB in the end (delta: 148.9 MB). Free memory was 34.5 MB in the beginning and 115.0 MB in the end (delta: -80.5 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,689 INFO L168 Benchmark]: Witness Printer took 161.15 ms. Allocated memory is still 232.8 MB. Free memory was 115.0 MB in the beginning and 103.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:32:52,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 847.03 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 33.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.68 ms. Allocated memory is still 67.1 MB. Free memory was 33.9 MB in the beginning and 30.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.41 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 30.1 MB in the beginning and 63.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2716.89 ms. Allocated memory is still 83.9 MB. Free memory was 63.4 MB in the beginning and 35.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33489.56 ms. Allocated memory was 83.9 MB in the beginning and 232.8 MB in the end (delta: 148.9 MB). Free memory was 34.5 MB in the beginning and 115.0 MB in the end (delta: -80.5 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. * Witness Printer took 161.15 ms. Allocated memory is still 232.8 MB. Free memory was 115.0 MB in the beginning and 103.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 83]: 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, 131 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 33326.7ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 26.4ms, AutomataDifference: 4965.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20535.8ms, InitialAbstractionConstructionTime: 15.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1387 SDtfs, 2494 SDslu, 3503 SDs, 0 SdLazy, 461 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3331.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 596.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=8, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 401.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2305 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 487 NumberOfFragments, 697 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3567898 FormulaSimplificationTreeSizeReduction, 6329.3ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 1845003 FormulaSimplificationTreeSizeReductionInter, 14185.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 235.7ms SsaConstructionTime, 1277.1ms SatisfiabilityAnalysisTime, 2312.3ms InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2290 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:32:52,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc5712-a6ed-4c68-a9e4-b3a42073581a/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...