./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 ............................................................................................................................................ 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:09:28,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:09:28,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:09:28,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:09:28,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:09:28,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:09:28,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:09:28,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:09:28,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:09:28,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:09:28,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:09:28,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:09:28,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:09:28,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:09:28,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:09:28,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:09:28,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:09:28,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:09:28,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:09:28,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:09:28,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:09:28,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:09:28,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:09:28,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:09:28,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:09:28,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:09:28,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:09:28,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:09:28,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:09:28,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:09:28,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:09:28,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:09:28,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:09:28,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:09:28,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:09:28,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:09:28,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:09:28,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:09:28,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:09:28,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:09:28,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:09:28,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:09:28,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:09:28,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:09:28,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:09:28,530 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:09:28,530 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:09:28,531 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:09:28,531 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:09:28,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:09:28,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:09:28,532 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:09:28,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:09:28,540 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:09:28,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:09:28,541 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:09:28,541 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:09:28,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:09:28,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:09:28,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:09:28,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:09:28,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:09:28,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:09:28,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:09:28,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:09:28,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:09:28,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:09:28,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:09:28,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:09:28,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:09:28,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:09:28,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:09:28,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:09:28,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:09:28,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:09:28,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:09:28,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:09:28,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:09:28,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:09:28,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:09:28,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:09:28,549 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2021-10-24 11:09:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:09:28,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:09:28,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:09:28,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:09:28,896 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:09:28,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-24 11:09:28,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/cd70cc4ab/533053727cdc4ed39d3a54972df15e8a/FLAG020264f3c [2021-10-24 11:09:29,481 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:09:29,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-24 11:09:29,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/cd70cc4ab/533053727cdc4ed39d3a54972df15e8a/FLAG020264f3c [2021-10-24 11:09:29,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/cd70cc4ab/533053727cdc4ed39d3a54972df15e8a [2021-10-24 11:09:29,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:09:29,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:09:29,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:29,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:09:29,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:09:29,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:29" (1/1) ... [2021-10-24 11:09:29,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe414e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:29, skipping insertion in model container [2021-10-24 11:09:29,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:29" (1/1) ... [2021-10-24 11:09:29,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:09:29,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:09:30,156 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-24 11:09:30,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:30,330 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 11:09:30,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@738467e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:30, skipping insertion in model container [2021-10-24 11:09:30,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:30,347 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:09:30,349 INFO L168 Benchmark]: Toolchain (without parser) took 520.45 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 46.0 MB in the beginning and 84.8 MB in the end (delta: -38.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:30,350 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:09:30,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.61 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 45.8 MB in the beginning and 84.8 MB in the end (delta: -39.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:30,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.61 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 45.8 MB in the beginning and 84.8 MB in the end (delta: -39.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 300]: 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 11:09:32,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:09:32,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:09:32,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:09:32,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:09:32,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:09:32,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:09:32,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:09:32,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:09:32,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:09:32,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:09:32,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:09:32,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:09:32,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:09:32,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:09:32,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:09:32,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:09:32,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:09:32,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:09:32,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:09:32,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:09:32,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:09:32,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:09:32,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:09:32,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:09:32,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:09:32,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:09:32,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:09:32,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:09:32,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:09:32,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:09:32,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:09:32,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:09:32,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:09:32,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:09:32,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:09:32,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:09:32,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:09:32,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:09:32,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:09:32,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:09:32,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:09:32,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:09:32,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:09:32,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:09:32,923 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:09:32,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:09:32,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:09:32,924 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:09:32,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:09:32,926 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:09:32,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:09:32,928 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:09:32,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:09:32,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:09:32,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:09:32,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:09:32,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:09:32,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:09:32,930 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:09:32,930 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:09:32,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:09:32,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:09:32,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:09:32,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:09:32,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:09:32,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:09:32,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:09:32,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:09:32,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:09:32,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:09:32,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:09:32,933 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:09:32,934 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:09:32,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:09:32,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:09:32,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:09:32,935 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2021-10-24 11:09:33,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:09:33,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:09:33,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:09:33,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:09:33,390 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:09:33,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-24 11:09:33,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/2c02b1a0a/5658dbfbb261410589d64313511407b4/FLAG2bd46b516 [2021-10-24 11:09:34,025 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:09:34,029 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-24 11:09:34,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/2c02b1a0a/5658dbfbb261410589d64313511407b4/FLAG2bd46b516 [2021-10-24 11:09:34,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/data/2c02b1a0a/5658dbfbb261410589d64313511407b4 [2021-10-24 11:09:34,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:09:34,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:09:34,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:34,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:09:34,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:09:34,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:34" (1/1) ... [2021-10-24 11:09:34,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c6eee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:34, skipping insertion in model container [2021-10-24 11:09:34,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:34" (1/1) ... [2021-10-24 11:09:34,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:09:34,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:09:34,563 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-24 11:09:34,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:34,836 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:09:34,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:09:34,865 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-24 11:09:34,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:34,969 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:09:34,983 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_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-24 11:09:35,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:35,046 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:09:35,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35 WrapperNode [2021-10-24 11:09:35,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:35,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:09:35,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:09:35,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:09:35,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:09:35,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:09:35,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:09:35,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:09:35,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:09:35,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:09:35,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:09:35,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:09:35,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (1/1) ... [2021-10-24 11:09:35,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:09:35,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:09:35,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:09:35,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:09:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:09:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:09:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:09:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:09:37,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:09:37,594 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-24 11:09:37,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:37 BoogieIcfgContainer [2021-10-24 11:09:37,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:09:37,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:09:37,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:09:37,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:09:37,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:09:34" (1/3) ... [2021-10-24 11:09:37,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8c7c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:37, skipping insertion in model container [2021-10-24 11:09:37,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:35" (2/3) ... [2021-10-24 11:09:37,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8c7c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:37, skipping insertion in model container [2021-10-24 11:09:37,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:37" (3/3) ... [2021-10-24 11:09:37,606 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-10-24 11:09:37,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:09:37,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:09:37,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:09:37,666 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 11:09:37,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:09:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 11:09:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:09:37,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:37,693 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:37,693 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 11:09:37,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:37,703 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-24 11:09:37,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:37,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28649580] [2021-10-24 11:09:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:37,720 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:37,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:37,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:09:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:37,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:09:37,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:38,047 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 11:09:38,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:38,119 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 11:09:38,120 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:38,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28649580] [2021-10-24 11:09:38,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28649580] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:38,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:38,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:09:38,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115433796] [2021-10-24 11:09:38,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:09:38,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:38,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:09:38,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:09:38,164 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 11:09:38,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:38,198 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-24 11:09:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:09:38,199 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 11:09:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:38,210 INFO L225 Difference]: With dead ends: 112 [2021-10-24 11:09:38,210 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 11:09:38,213 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 11:09:38,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 11:09:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 11:09:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-24 11:09:38,251 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-24 11:09:38,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:38,251 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-24 11:09:38,252 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 11:09:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-24 11:09:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:09:38,253 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:38,253 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 11:09:38,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:38,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:38,470 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 11:09:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:38,471 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-24 11:09:38,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:38,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30148769] [2021-10-24 11:09:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:38,472 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:38,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:38,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:38,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:09:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:38,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:09:38,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:38,731 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 11:09:38,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:38,792 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 11:09:38,792 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:38,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30148769] [2021-10-24 11:09:38,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30148769] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:38,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:38,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:09:38,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473706664] [2021-10-24 11:09:38,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:09:38,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:38,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:09:38,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:38,797 INFO L87 Difference]: Start difference. First operand 55 states and 75 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 11:09:38,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:38,808 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-24 11:09:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:09:38,809 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 11:09:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:38,810 INFO L225 Difference]: With dead ends: 55 [2021-10-24 11:09:38,810 INFO L226 Difference]: Without dead ends: 29 [2021-10-24 11:09:38,811 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-24 11:09:38,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-24 11:09:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-24 11:09:38,816 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-24 11:09:38,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:38,816 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-24 11:09:38,817 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 11:09:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-24 11:09:38,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:09:38,818 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:38,818 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 11:09:38,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:39,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:39,038 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 11:09:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:39,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-24 11:09:39,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:39,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849131762] [2021-10-24 11:09:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:39,040 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:39,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:39,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:09:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:39,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:09:39,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:39,345 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 11:09:39,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:39,397 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 11:09:39,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:39,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849131762] [2021-10-24 11:09:39,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849131762] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:39,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:39,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:09:39,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557508874] [2021-10-24 11:09:39,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:09:39,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:09:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:39,405 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:39,483 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-24 11:09:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:09:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:09:39,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:39,488 INFO L225 Difference]: With dead ends: 98 [2021-10-24 11:09:39,489 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 11:09:39,490 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 11:09:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-24 11:09:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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 11:09:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-24 11:09:39,512 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-24 11:09:39,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:39,513 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-24 11:09:39,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-24 11:09:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:09:39,515 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:39,516 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 11:09:39,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:39,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:39,742 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 11:09:39,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:39,743 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-24 11:09:39,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:39,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498842202] [2021-10-24 11:09:39,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:39,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:39,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:39,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:09:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:39,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:09:39,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:40,063 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 11:09:40,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:40,143 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 11:09:40,143 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:40,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498842202] [2021-10-24 11:09:40,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498842202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:40,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:40,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:09:40,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662129340] [2021-10-24 11:09:40,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:09:40,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:09:40,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:09:40,146 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:40,249 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-24 11:09:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:09:40,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:09:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:40,252 INFO L225 Difference]: With dead ends: 214 [2021-10-24 11:09:40,252 INFO L226 Difference]: Without dead ends: 172 [2021-10-24 11:09:40,253 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:09:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-24 11:09:40,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-24 11:09:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 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 11:09:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-24 11:09:40,268 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-24 11:09:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:40,269 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-24 11:09:40,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-24 11:09:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 11:09:40,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:40,271 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] [2021-10-24 11:09:40,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:40,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:40,478 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 11:09:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:40,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2021-10-24 11:09:40,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:40,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432866587] [2021-10-24 11:09:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:40,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:40,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:40,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:09:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:40,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:09:40,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:40,849 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 11:09:40,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:40,910 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 11:09:40,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:40,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432866587] [2021-10-24 11:09:40,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432866587] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:40,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:40,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:09:40,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048811102] [2021-10-24 11:09:40,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:09:40,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:40,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:09:40,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:09:40,913 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:41,014 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-24 11:09:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:09:41,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 11:09:41,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:41,015 INFO L225 Difference]: With dead ends: 268 [2021-10-24 11:09:41,015 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:09:41,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:09:41,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:09:41,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:09:41,018 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 11:09:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:09:41,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-24 11:09:41,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:41,018 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:09:41,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:09:41,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:09:41,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:41,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:41,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:41,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:41,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:41,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:09:41,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:41,650 INFO L857 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2021-10-24 11:09:41,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,651 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-24 11:09:41,651 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:09:41,651 INFO L857 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2021-10-24 11:09:41,651 INFO L853 garLoopResultBuilder]: At program point L252-1(lines 252 258) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,651 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,652 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,652 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,652 INFO L853 garLoopResultBuilder]: At program point L682(lines 677 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,652 INFO L853 garLoopResultBuilder]: At program point L682-1(lines 677 685) the Hoare annotation is: false [2021-10-24 11:09:41,652 INFO L853 garLoopResultBuilder]: At program point L682-2(lines 677 685) the Hoare annotation is: false [2021-10-24 11:09:41,652 INFO L857 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-24 11:09:41,652 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 778) no Hoare annotation was computed. [2021-10-24 11:09:41,652 INFO L857 garLoopResultBuilder]: For program point L798-1(lines 149 155) no Hoare annotation was computed. [2021-10-24 11:09:41,653 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,653 INFO L857 garLoopResultBuilder]: For program point L765-2(lines 765 778) no Hoare annotation was computed. [2021-10-24 11:09:41,653 INFO L853 garLoopResultBuilder]: At program point L765-3(lines 1 877) the Hoare annotation is: false [2021-10-24 11:09:41,653 INFO L857 garLoopResultBuilder]: For program point L765-4(lines 765 778) no Hoare annotation was computed. [2021-10-24 11:09:41,653 INFO L853 garLoopResultBuilder]: At program point L765-5(lines 1 877) the Hoare annotation is: false [2021-10-24 11:09:41,653 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2021-10-24 11:09:41,655 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 872) no Hoare annotation was computed. [2021-10-24 11:09:41,655 INFO L860 garLoopResultBuilder]: At program point L865-1(lines 865 872) the Hoare annotation is: true [2021-10-24 11:09:41,656 INFO L853 garLoopResultBuilder]: At program point L156(lines 156 162) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,656 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 156 162) the Hoare annotation is: false [2021-10-24 11:09:41,656 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 156 162) the Hoare annotation is: false [2021-10-24 11:09:41,657 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:09:41,657 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-10-24 11:09:41,657 INFO L853 garLoopResultBuilder]: At program point L752(lines 747 755) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,657 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2021-10-24 11:09:41,658 INFO L857 garLoopResultBuilder]: For program point L769-2(lines 769 775) no Hoare annotation was computed. [2021-10-24 11:09:41,658 INFO L853 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2021-10-24 11:09:41,658 INFO L857 garLoopResultBuilder]: For program point L769-4(lines 769 775) no Hoare annotation was computed. [2021-10-24 11:09:41,659 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,659 INFO L853 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,659 INFO L853 garLoopResultBuilder]: At program point L208-1(lines 203 211) the Hoare annotation is: false [2021-10-24 11:09:41,659 INFO L853 garLoopResultBuilder]: At program point L208-2(lines 203 211) the Hoare annotation is: false [2021-10-24 11:09:41,659 INFO L857 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2021-10-24 11:09:41,659 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-10-24 11:09:41,660 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:09:41,660 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-10-24 11:09:41,660 INFO L853 garLoopResultBuilder]: At program point L95-1(lines 95 101) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,660 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 661) no Hoare annotation was computed. [2021-10-24 11:09:41,661 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-24 11:09:41,661 INFO L853 garLoopResultBuilder]: At program point L113-1(lines 149 155) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,661 INFO L860 garLoopResultBuilder]: At program point L874(lines 855 877) the Hoare annotation is: true [2021-10-24 11:09:41,661 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:09:41,661 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:09:41,662 INFO L853 garLoopResultBuilder]: At program point L842(lines 838 844) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,662 INFO L853 garLoopResultBuilder]: At program point L149(lines 148 167) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,662 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2021-10-24 11:09:41,662 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 148 167) the Hoare annotation is: false [2021-10-24 11:09:41,664 INFO L853 garLoopResultBuilder]: At program point L149-3(lines 148 167) the Hoare annotation is: false [2021-10-24 11:09:41,664 INFO L853 garLoopResultBuilder]: At program point L744(lines 1 877) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:41,664 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2021-10-24 11:09:41,665 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 649) no Hoare annotation was computed. [2021-10-24 11:09:41,665 INFO L857 garLoopResultBuilder]: For program point L645-6(lines 645 649) no Hoare annotation was computed. [2021-10-24 11:09:41,668 INFO L853 garLoopResultBuilder]: At program point L794-2(lines 794 808) the Hoare annotation is: false [2021-10-24 11:09:41,673 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:09:41,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:41 BoogieIcfgContainer [2021-10-24 11:09:41,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:09:41,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:09:41,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:09:41,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:09:41,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:37" (3/4) ... [2021-10-24 11:09:41,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:09:41,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:09:41,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:09:41,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:09:41,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:09:41,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:09:41,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:09:41,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:09:41,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 11:09:41,813 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:09:41,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:09:41,815 INFO L168 Benchmark]: Toolchain (without parser) took 7489.43 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 28.7 MB in the beginning and 35.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,819 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:09:41,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.4 MB in the beginning and 43.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.02 ms. Allocated memory is still 73.4 MB. Free memory was 43.5 MB in the beginning and 41.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,821 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 ms. Allocated memory is still 73.4 MB. Free memory was 41.0 MB in the beginning and 54.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,821 INFO L168 Benchmark]: RCFGBuilder took 2417.83 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 50.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,821 INFO L168 Benchmark]: TraceAbstraction took 4100.05 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 49.9 MB in the beginning and 41.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,822 INFO L168 Benchmark]: Witness Printer took 114.79 ms. Allocated memory is still 88.1 MB. Free memory was 41.2 MB in the beginning and 35.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:41,824 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 52.4 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 697.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.4 MB in the beginning and 43.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.02 ms. Allocated memory is still 73.4 MB. Free memory was 43.5 MB in the beginning and 41.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.44 ms. Allocated memory is still 73.4 MB. Free memory was 41.0 MB in the beginning and 54.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2417.83 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 50.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4100.05 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 49.9 MB in the beginning and 41.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * Witness Printer took 114.79 ms. Allocated memory is still 88.1 MB. Free memory was 41.2 MB in the beginning and 35.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4014.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.4ms, AutomataDifference: 402.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 415.3ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 270 SDtfs, 356 SDslu, 305 SDs, 0 SdLazy, 43 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 110.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 66.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 312.0ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 90.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 119.4ms SsaConstructionTime, 571.1ms SatisfiabilityAnalysisTime, 858.7ms InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 7 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 11:09:41,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a51c09a-dd89-4243-9ad1-66c6db1ff6d8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...