./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 ............................................................................................................................................ 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:44:12,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:44:12,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:44:12,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:44:12,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:44:12,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:44:12,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:44:12,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:44:12,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:44:12,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:44:12,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:44:12,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:44:12,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:44:12,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:44:12,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:44:12,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:44:12,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:44:12,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:44:12,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:44:12,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:44:12,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:44:12,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:44:12,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:44:12,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:44:12,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:44:12,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:44:12,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:44:12,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:44:12,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:44:12,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:44:12,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:44:12,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:44:12,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:44:12,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:44:12,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:44:12,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:44:12,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:44:12,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:44:12,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:44:12,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:44:12,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:44:12,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:44:12,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:44:12,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:44:12,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:44:12,598 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:44:12,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:44:12,598 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:44:12,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:44:12,599 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:44:12,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:44:12,600 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:44:12,600 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:44:12,600 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:44:12,601 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:44:12,601 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:44:12,601 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:44:12,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:44:12,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:44:12,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:44:12,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:44:12,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:44:12,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:44:12,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:44:12,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:44:12,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:44:12,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:44:12,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:44:12,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:44:12,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:44:12,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:44:12,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:44:12,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:44:12,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:44:12,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:44:12,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:44:12,609 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:44:12,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:44:12,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:44:12,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:44:12,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:44:12,610 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2021-10-29 05:44:12,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:44:12,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:44:12,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:44:12,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:44:12,963 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:44:12,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-29 05:44:13,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/3e911799c/ba54c3c09a7c45a488120ca2fa93624f/FLAG8a786bc13 [2021-10-29 05:44:13,676 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:44:13,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-29 05:44:13,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/3e911799c/ba54c3c09a7c45a488120ca2fa93624f/FLAG8a786bc13 [2021-10-29 05:44:13,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/3e911799c/ba54c3c09a7c45a488120ca2fa93624f [2021-10-29 05:44:13,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:44:13,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:44:13,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:44:13,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:44:13,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:44:13,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:44:13" (1/1) ... [2021-10-29 05:44:13,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62514568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:13, skipping insertion in model container [2021-10-29 05:44:13,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:44:13" (1/1) ... [2021-10-29 05:44:14,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:44:14,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:44:14,328 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-10-29 05:44:14,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:44:14,430 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:44:14,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25c14f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:14, skipping insertion in model container [2021-10-29 05:44:14,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:44:14,431 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:44:14,434 INFO L168 Benchmark]: Toolchain (without parser) took 448.43 ms. Allocated memory is still 113.2 MB. Free memory was 73.5 MB in the beginning and 85.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:14,435 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 113.2 MB. Free memory is still 91.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:44:14,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.87 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 85.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:14,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 113.2 MB. Free memory is still 91.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.87 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 85.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 573]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:44:17,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:44:17,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:44:17,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:44:17,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:44:17,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:44:17,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:44:17,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:44:17,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:44:17,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:44:17,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:44:17,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:44:17,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:44:17,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:44:17,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:44:17,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:44:17,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:44:17,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:44:17,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:44:17,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:44:17,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:44:17,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:44:17,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:44:17,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:44:17,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:44:17,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:44:17,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:44:17,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:44:17,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:44:17,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:44:17,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:44:17,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:44:17,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:44:17,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:44:17,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:44:17,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:44:17,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:44:17,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:44:17,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:44:17,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:44:17,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:44:17,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:44:17,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:44:17,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:44:17,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:44:17,514 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:44:17,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:44:17,515 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:44:17,515 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:44:17,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:44:17,516 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:44:17,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:44:17,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:44:17,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:44:17,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:44:17,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:44:17,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:44:17,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:44:17,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:44:17,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:44:17,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:44:17,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:44:17,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:44:17,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:44:17,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:44:17,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:44:17,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:44:17,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:44:17,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:44:17,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:44:17,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:44:17,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:44:17,527 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:44:17,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:44:17,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:44:17,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:44:17,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:44:17,530 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2021-10-29 05:44:18,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:44:18,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:44:18,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:44:18,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:44:18,112 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:44:18,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-29 05:44:18,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/9a59431b4/7ecbc8438ae9419da6c693a739af85a1/FLAG5575226e9 [2021-10-29 05:44:18,957 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:44:18,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-29 05:44:18,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/9a59431b4/7ecbc8438ae9419da6c693a739af85a1/FLAG5575226e9 [2021-10-29 05:44:19,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/data/9a59431b4/7ecbc8438ae9419da6c693a739af85a1 [2021-10-29 05:44:19,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:44:19,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:44:19,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:44:19,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:44:19,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:44:19,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:44:19" (1/1) ... [2021-10-29 05:44:19,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc2e5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:19, skipping insertion in model container [2021-10-29 05:44:19,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:44:19" (1/1) ... [2021-10-29 05:44:19,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:44:19,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:44:19,634 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-10-29 05:44:19,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:44:19,859 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:44:19,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:44:19,924 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-10-29 05:44:20,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:44:20,031 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:44:20,062 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_099c3efc-6c23-44b6-af9a-f1989b9e40d3/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-10-29 05:44:20,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:44:20,126 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:44:20,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20 WrapperNode [2021-10-29 05:44:20,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:44:20,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:44:20,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:44:20,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:44:20,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:44:20,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:44:20,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:44:20,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:44:20,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:44:20,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:44:20,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:44:20,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:44:20,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (1/1) ... [2021-10-29 05:44:20,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:44:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:44:20,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:44:20,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:44:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:44:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:44:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:44:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:44:23,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:44:23,423 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-29 05:44:23,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:44:23 BoogieIcfgContainer [2021-10-29 05:44:23,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:44:23,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:44:23,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:44:23,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:44:23,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:44:19" (1/3) ... [2021-10-29 05:44:23,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86a2a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:44:23, skipping insertion in model container [2021-10-29 05:44:23,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:44:20" (2/3) ... [2021-10-29 05:44:23,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86a2a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:44:23, skipping insertion in model container [2021-10-29 05:44:23,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:44:23" (3/3) ... [2021-10-29 05:44:23,436 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2021-10-29 05:44:23,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:44:23,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:44:23,502 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:44:23,510 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:44:23,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:44:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:44:23,537 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:44:23,538 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:44:23,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:44:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:44:23,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-10-29 05:44:23,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:44:23,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074749608] [2021-10-29 05:44:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:44:23,582 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:44:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:44:23,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:44:23,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:44:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:44:23,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:44:23,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:44:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:24,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:44:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:24,151 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:44:24,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074749608] [2021-10-29 05:44:24,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074749608] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:44:24,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:44:24,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:44:24,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494484228] [2021-10-29 05:44:24,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:44:24,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:44:24,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:44:24,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:44:24,187 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-29 05:44:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:44:24,233 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-29 05:44:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:44:24,235 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 [2021-10-29 05:44:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:44:24,248 INFO L225 Difference]: With dead ends: 136 [2021-10-29 05:44:24,249 INFO L226 Difference]: Without dead ends: 67 [2021-10-29 05:44:24,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:44:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-29 05:44:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-29 05:44:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-29 05:44:24,309 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-29 05:44:24,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:44:24,310 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-29 05:44:24,310 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) [2021-10-29 05:44:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-29 05:44:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:44:24,314 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:44:24,314 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:44:24,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:44:24,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:44:24,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:44:24,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:44:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-10-29 05:44:24,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:44:24,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464206706] [2021-10-29 05:44:24,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:44:24,537 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:44:24,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:44:24,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:44:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:44:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:44:24,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:44:24,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:44:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:24,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:44:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:24,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:44:24,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464206706] [2021-10-29 05:44:24,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464206706] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:44:24,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:44:24,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:44:24,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122345433] [2021-10-29 05:44:24,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:44:24,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:44:24,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:44:24,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:44:24,955 INFO L87 Difference]: Start difference. First operand 67 states and 93 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) [2021-10-29 05:44:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:44:24,971 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-29 05:44:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:44:24,972 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 [2021-10-29 05:44:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:44:24,973 INFO L225 Difference]: With dead ends: 67 [2021-10-29 05:44:24,973 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:44:24,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:44:24,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:44:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:44:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-29 05:44:24,981 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-29 05:44:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:44:24,981 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-29 05:44:24,982 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) [2021-10-29 05:44:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-29 05:44:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:44:24,983 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:44:24,983 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:44:25,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:44:25,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:44:25,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:44:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:44:25,200 INFO L85 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-10-29 05:44:25,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:44:25,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023508553] [2021-10-29 05:44:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:44:25,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:44:25,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:44:25,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:44:25,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:44:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:44:25,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:44:25,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:44:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:25,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:44:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:25,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:44:25,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023508553] [2021-10-29 05:44:25,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023508553] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:44:25,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:44:25,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:44:25,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893773607] [2021-10-29 05:44:25,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:44:25,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:44:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:44:25,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:44:25,746 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:25,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:44:25,803 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-10-29 05:44:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:44:25,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:44:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:44:25,811 INFO L225 Difference]: With dead ends: 110 [2021-10-29 05:44:25,812 INFO L226 Difference]: Without dead ends: 83 [2021-10-29 05:44:25,813 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:44:25,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-29 05:44:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-10-29 05:44:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 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) [2021-10-29 05:44:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-29 05:44:25,830 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-29 05:44:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:44:25,830 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-29 05:44:25,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-29 05:44:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:44:25,835 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:44:25,835 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:44:25,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:44:26,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:44:26,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:44:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:44:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-10-29 05:44:26,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:44:26,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037511408] [2021-10-29 05:44:26,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:44:26,058 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:44:26,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:44:26,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:44:26,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:44:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:44:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:44:26,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:44:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:26,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:44:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:26,587 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:44:26,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037511408] [2021-10-29 05:44:26,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037511408] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:44:26,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:44:26,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:44:26,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073531352] [2021-10-29 05:44:26,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:44:26,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:44:26,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:44:26,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:44:26,590 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-29 05:44:26,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:44:26,734 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2021-10-29 05:44:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:44:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 [2021-10-29 05:44:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:44:26,737 INFO L225 Difference]: With dead ends: 237 [2021-10-29 05:44:26,737 INFO L226 Difference]: Without dead ends: 191 [2021-10-29 05:44:26,738 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:44:26,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-29 05:44:26,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2021-10-29 05:44:26,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2021-10-29 05:44:26,760 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2021-10-29 05:44:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:44:26,760 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2021-10-29 05:44:26,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-29 05:44:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2021-10-29 05:44:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:44:26,762 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:44:26,763 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:44:26,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:44:26,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:44:26,977 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:44:26,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:44:26,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2021-10-29 05:44:26,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:44:26,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34586183] [2021-10-29 05:44:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:44:26,980 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:44:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:44:26,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:44:26,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:44:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:44:27,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:44:27,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:44:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:27,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:44:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:44:27,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:44:27,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34586183] [2021-10-29 05:44:27,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34586183] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:44:27,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:44:27,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:44:27,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617733395] [2021-10-29 05:44:27,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:44:27,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:44:27,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:44:27,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:44:27,430 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:27,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:44:27,562 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2021-10-29 05:44:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:44:27,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:44:27,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:44:27,564 INFO L225 Difference]: With dead ends: 282 [2021-10-29 05:44:27,564 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:44:27,570 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:44:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:44:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:44:27,571 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) [2021-10-29 05:44:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:44:27,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-29 05:44:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:44:27,572 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:44:27,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:44:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:44:27,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:44:27,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:44:27,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:44:27,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:44:27,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:44:27,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:44:27,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:44:27,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:27,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:27,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:27,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:27,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:44:28,328 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 296) no Hoare annotation was computed. [2021-10-29 05:44:28,329 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,329 INFO L857 garLoopResultBuilder]: For program point L283-2(lines 283 296) no Hoare annotation was computed. [2021-10-29 05:44:28,329 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,329 INFO L853 garLoopResultBuilder]: At program point L283-3(lines 1 909) the Hoare annotation is: false [2021-10-29 05:44:28,329 INFO L857 garLoopResultBuilder]: For program point L283-4(lines 283 296) no Hoare annotation was computed. [2021-10-29 05:44:28,330 INFO L853 garLoopResultBuilder]: At program point L283-5(lines 1 909) the Hoare annotation is: false [2021-10-29 05:44:28,330 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-10-29 05:44:28,330 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 498 504) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,330 INFO L853 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: false [2021-10-29 05:44:28,330 INFO L853 garLoopResultBuilder]: At program point L201-1(lines 196 204) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,331 INFO L853 garLoopResultBuilder]: At program point L201-2(lines 196 204) the Hoare annotation is: false [2021-10-29 05:44:28,331 INFO L853 garLoopResultBuilder]: At program point L201-3(lines 196 204) the Hoare annotation is: false [2021-10-29 05:44:28,331 INFO L853 garLoopResultBuilder]: At program point L201-4(lines 196 204) the Hoare annotation is: false [2021-10-29 05:44:28,331 INFO L853 garLoopResultBuilder]: At program point L201-5(lines 196 204) the Hoare annotation is: false [2021-10-29 05:44:28,331 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:44:28,332 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 472) no Hoare annotation was computed. [2021-10-29 05:44:28,333 INFO L853 garLoopResultBuilder]: At program point L466-1(lines 466 472) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,333 INFO L853 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,333 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 369) no Hoare annotation was computed. [2021-10-29 05:44:28,334 INFO L857 garLoopResultBuilder]: For program point L352-1(lines 352 369) no Hoare annotation was computed. [2021-10-29 05:44:28,334 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2021-10-29 05:44:28,334 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2021-10-29 05:44:28,334 INFO L853 garLoopResultBuilder]: At program point L320(lines 319 338) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,335 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-10-29 05:44:28,335 INFO L857 garLoopResultBuilder]: For program point L320-1(lines 320 326) no Hoare annotation was computed. [2021-10-29 05:44:28,335 INFO L853 garLoopResultBuilder]: At program point L320-2(lines 319 338) the Hoare annotation is: false [2021-10-29 05:44:28,335 INFO L857 garLoopResultBuilder]: For program point L287-2(lines 287 293) no Hoare annotation was computed. [2021-10-29 05:44:28,335 INFO L853 garLoopResultBuilder]: At program point L320-3(lines 319 338) the Hoare annotation is: false [2021-10-29 05:44:28,336 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-10-29 05:44:28,336 INFO L857 garLoopResultBuilder]: For program point L287-4(lines 287 293) no Hoare annotation was computed. [2021-10-29 05:44:28,336 INFO L853 garLoopResultBuilder]: At program point L536(lines 487 537) the Hoare annotation is: false [2021-10-29 05:44:28,336 INFO L857 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,336 INFO L857 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,337 INFO L857 garLoopResultBuilder]: For program point L305-2(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,337 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-29 05:44:28,337 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-29 05:44:28,337 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:44:28,337 INFO L853 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,338 INFO L853 garLoopResultBuilder]: At program point L422-1(lines 417 425) the Hoare annotation is: false [2021-10-29 05:44:28,338 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2021-10-29 05:44:28,338 INFO L853 garLoopResultBuilder]: At program point L422-2(lines 417 425) the Hoare annotation is: false [2021-10-29 05:44:28,338 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 356 364) no Hoare annotation was computed. [2021-10-29 05:44:28,338 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2021-10-29 05:44:28,340 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,341 INFO L857 garLoopResultBuilder]: For program point L489(lines 488 535) no Hoare annotation was computed. [2021-10-29 05:44:28,341 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 180) no Hoare annotation was computed. [2021-10-29 05:44:28,341 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-29 05:44:28,341 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:44:28,341 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2021-10-29 05:44:28,342 INFO L853 garLoopResultBuilder]: At program point L524-1(lines 320 326) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,345 INFO L853 garLoopResultBuilder]: At program point L260(lines 1 909) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,346 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2021-10-29 05:44:28,347 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-29 05:44:28,349 INFO L853 garLoopResultBuilder]: At program point L508-1(lines 508 514) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,350 INFO L853 garLoopResultBuilder]: At program point L327(lines 327 333) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,350 INFO L853 garLoopResultBuilder]: At program point L327-1(lines 327 333) the Hoare annotation is: false [2021-10-29 05:44:28,350 INFO L853 garLoopResultBuilder]: At program point L327-2(lines 327 333) the Hoare annotation is: false [2021-10-29 05:44:28,350 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-29 05:44:28,350 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:44:28,351 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2021-10-29 05:44:28,351 INFO L857 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2021-10-29 05:44:28,354 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:44:28,354 INFO L857 garLoopResultBuilder]: For program point L164-6(lines 164 168) no Hoare annotation was computed. [2021-10-29 05:44:28,354 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-10-29 05:44:28,354 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-29 05:44:28,355 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 320 326) no Hoare annotation was computed. [2021-10-29 05:44:28,355 INFO L853 garLoopResultBuilder]: At program point L413(lines 406 416) the Hoare annotation is: false [2021-10-29 05:44:28,355 INFO L853 garLoopResultBuilder]: At program point L413-1(lines 406 416) the Hoare annotation is: false [2021-10-29 05:44:28,355 INFO L853 garLoopResultBuilder]: At program point L413-2(lines 406 416) the Hoare annotation is: false [2021-10-29 05:44:28,355 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-29 05:44:28,361 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:44:28,363 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:44:28,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:44:28 BoogieIcfgContainer [2021-10-29 05:44:28,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:44:28,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:44:28,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:44:28,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:44:28,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:44:23" (3/4) ... [2021-10-29 05:44:28,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:44:28,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:44:28,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:44:28,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:44:28,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:44:28,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:44:28,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:44:28,435 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:44:28,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 05:44:28,549 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:44:28,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:44:28,551 INFO L168 Benchmark]: Toolchain (without parser) took 9325.07 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.3 MB in the beginning and 35.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,552 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 56.6 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:44:28,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.46 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.1 MB in the beginning and 37.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.22 ms. Allocated memory is still 69.2 MB. Free memory was 37.4 MB in the beginning and 52.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,554 INFO L168 Benchmark]: Boogie Preprocessor took 103.45 ms. Allocated memory is still 69.2 MB. Free memory was 52.2 MB in the beginning and 50.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,554 INFO L168 Benchmark]: RCFGBuilder took 3045.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 38.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,555 INFO L168 Benchmark]: TraceAbstraction took 4969.16 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 41.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,555 INFO L168 Benchmark]: Witness Printer took 151.02 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 35.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:44:28,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 56.6 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 900.46 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.1 MB in the beginning and 37.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 147.22 ms. Allocated memory is still 69.2 MB. Free memory was 37.4 MB in the beginning and 52.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.45 ms. Allocated memory is still 69.2 MB. Free memory was 52.2 MB in the beginning and 50.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3045.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 38.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4969.16 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 41.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Witness Printer took 151.02 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 35.7 MB in the end (delta: 5.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 347 SDslu, 367 SDs, 0 SdLazy, 64 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 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: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:44:28,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099c3efc-6c23-44b6-af9a-f1989b9e40d3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...