./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/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_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI --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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 ............................................................................................................................................ 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_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/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_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI --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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:17,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:17,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:17,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:17,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:17,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:17,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:17,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:17,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:17,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:17,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:17,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:17,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:17,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:17,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:17,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:17,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:17,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:17,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:17,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:17,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:17,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:17,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:17,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:17,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:17,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:17,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:17,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:17,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:17,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:17,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:17,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:17,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:17,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:17,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:17,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:17,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:17,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:17,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:17,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:17,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:17,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:17,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:17,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:17,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:17,349 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:17,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:17,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:17,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:17,350 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:17,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:17,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:17,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:17,359 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:17,360 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:17,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:17,360 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:17,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:17,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:17,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:17,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:17,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:17,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:17,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:17,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:17,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:17,363 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:17,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:17,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:17,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:17,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:17,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:17,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:17,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:17,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:17,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:17,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:17,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:17,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:17,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:17,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:17,369 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_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2021-10-11 02:27:17,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:17,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:17,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:17,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:17,703 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:17,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-11 02:27:17,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/5a3345aa3/82bdda924e794ec584c66a5ee925b7b3/FLAG22764043c [2021-10-11 02:27:18,368 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:18,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-11 02:27:18,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/5a3345aa3/82bdda924e794ec584c66a5ee925b7b3/FLAG22764043c [2021-10-11 02:27:18,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/5a3345aa3/82bdda924e794ec584c66a5ee925b7b3 [2021-10-11 02:27:18,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:18,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:18,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:18,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:18,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:18,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:18" (1/1) ... [2021-10-11 02:27:18,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c04f0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:18, skipping insertion in model container [2021-10-11 02:27:18,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:18" (1/1) ... [2021-10-11 02:27:18,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:18,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:18,985 WARN L226 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_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-10-11 02:27:19,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:19,118 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) [2021-10-11 02:27:19,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51371f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:19, skipping insertion in model container [2021-10-11 02:27:19,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:19,122 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:19,125 INFO L168 Benchmark]: Toolchain (without parser) took 456.40 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 83.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:19,127 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:19,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.88 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 83.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:19,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.88 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 83.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 565]: 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 0.2.0-7b2dab5 [2021-10-11 02:27:21,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:21,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:21,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:21,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:21,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:21,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:21,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:21,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:21,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:21,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:21,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:21,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:21,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:21,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:21,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:21,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:21,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:21,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:21,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:21,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:21,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:21,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:21,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:21,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:21,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:21,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:21,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:21,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:21,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:21,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:21,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:21,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:21,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:21,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:21,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:21,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:21,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:21,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:21,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:21,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:21,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:21,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:21,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:21,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:21,878 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:21,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:21,878 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:21,878 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:21,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:21,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:21,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:21,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:21,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:21,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:21,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:21,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:21,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:21,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:21,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:21,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:21,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:21,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:21,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:21,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:21,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:21,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:21,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:21,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:21,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:21,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:21,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:21,887 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:21,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:21,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:21,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:21,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:21,888 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_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2021-10-11 02:27:22,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:22,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:22,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:22,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:22,323 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:22,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-11 02:27:22,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/17032517b/4c9672ca0ff346e5a613f8285d1bd1fd/FLAG4f477521b [2021-10-11 02:27:23,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:23,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-10-11 02:27:23,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/17032517b/4c9672ca0ff346e5a613f8285d1bd1fd/FLAG4f477521b [2021-10-11 02:27:23,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/data/17032517b/4c9672ca0ff346e5a613f8285d1bd1fd [2021-10-11 02:27:23,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:23,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:23,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:23,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:23,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:23,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:23" (1/1) ... [2021-10-11 02:27:23,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ab5329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:23, skipping insertion in model container [2021-10-11 02:27:23,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:23" (1/1) ... [2021-10-11 02:27:23,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:23,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:23,695 WARN L226 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_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-10-11 02:27:23,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:23,859 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:23,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:23,912 WARN L226 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_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-10-11 02:27:23,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:23,993 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:24,036 WARN L226 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_2c2242de-e659-42d2-a650-939af12ffcab/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-10-11 02:27:24,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:24,117 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:24,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24 WrapperNode [2021-10-11 02:27:24,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:24,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:24,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:24,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:24,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:24,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:24,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:24,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:24,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... [2021-10-11 02:27:24,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:24,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:24,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:24,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:24,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:26,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:26,955 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:27:26,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:26 BoogieIcfgContainer [2021-10-11 02:27:26,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:26,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:26,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:26,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:26,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:23" (1/3) ... [2021-10-11 02:27:26,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18830a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:26, skipping insertion in model container [2021-10-11 02:27:26,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:24" (2/3) ... [2021-10-11 02:27:26,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18830a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:26, skipping insertion in model container [2021-10-11 02:27:26,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:26" (3/3) ... [2021-10-11 02:27:26,966 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2021-10-11 02:27:26,980 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:26,984 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:26,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:27,032 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:27,033 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:27,033 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:27,033 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:27,033 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:27,033 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:27,033 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:27,034 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:27,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 02:27:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:27:27,057 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:27,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:27,059 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:27,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:27,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-10-11 02:27:27,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:27,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976309257] [2021-10-11 02:27:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:27,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:27,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:27,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:27,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976309257] [2021-10-11 02:27:27,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:27,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:27,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197339315] [2021-10-11 02:27:27,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:27,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:27,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:27,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:27,431 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 02:27:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:27,481 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-11 02:27:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:27,484 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:27:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:27,494 INFO L225 Difference]: With dead ends: 136 [2021-10-11 02:27:27,495 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:27:27,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:27,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:27:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-11 02:27:27,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:27:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-11 02:27:27,541 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-11 02:27:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:27,541 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-11 02:27:27,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-11 02:27:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:27:27,543 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:27,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:27,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:27,755 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:27,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:27,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-10-11 02:27:27,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:27,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611404985] [2021-10-11 02:27:27,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:27,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:27,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:27,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:27,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611404985] [2021-10-11 02:27:27,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:27,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:27,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225100465] [2021-10-11 02:27:27,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:27,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:27,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:27,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:27,998 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-10-11 02:27:28,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:28,008 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-11 02:27:28,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:28,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:27:28,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:28,010 INFO L225 Difference]: With dead ends: 67 [2021-10-11 02:27:28,010 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:27:28,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:28,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:27:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:27:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:27:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:27:28,017 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 02:27:28,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:28,017 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:27:28,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:27:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:27:28,019 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:28,019 INFO L422 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] [2021-10-11 02:27:28,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:28,236 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-10-11 02:27:28,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:28,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187139463] [2021-10-11 02:27:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:28,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:28,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:28,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:28,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187139463] [2021-10-11 02:27:28,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:28,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:28,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190419169] [2021-10-11 02:27:28,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:28,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:28,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:28,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:28,471 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:27:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:28,487 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-11 02:27:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:28,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:27:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:28,489 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:27:28,490 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 02:27:28,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:28,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 02:27:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-11 02:27:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:27:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-11 02:27:28,500 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2021-10-11 02:27:28,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:28,501 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-11 02:27:28,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-11 02:27:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:27:28,502 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:28,502 INFO L422 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] [2021-10-11 02:27:28,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:28,725 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-10-11 02:27:28,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:28,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542673515] [2021-10-11 02:27:28,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:28,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:28,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:28,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:28,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542673515] [2021-10-11 02:27:28,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:28,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:28,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783879421] [2021-10-11 02:27:28,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:28,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:28,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:28,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:28,991 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2021-10-11 02:27:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:29,139 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2021-10-11 02:27:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:29,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:27:29,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:29,143 INFO L225 Difference]: With dead ends: 260 [2021-10-11 02:27:29,143 INFO L226 Difference]: Without dead ends: 210 [2021-10-11 02:27:29,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:29,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-11 02:27:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2021-10-11 02:27:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:27:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2021-10-11 02:27:29,171 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2021-10-11 02:27:29,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:29,173 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2021-10-11 02:27:29,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2021-10-11 02:27:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:27:29,175 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:29,176 INFO L422 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] [2021-10-11 02:27:29,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:27:29,400 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:29,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:29,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2021-10-11 02:27:29,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:29,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406072420] [2021-10-11 02:27:29,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:29,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:29,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:29,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:29,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406072420] [2021-10-11 02:27:29,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:29,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:29,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96016832] [2021-10-11 02:27:29,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:29,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:29,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:29,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:29,635 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2021-10-11 02:27:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:29,749 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2021-10-11 02:27:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:29,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:27:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:29,751 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:27:29,751 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:27:29,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:27:29,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:27:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:27:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:27:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:27:29,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:27:29,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:29,754 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:27:29,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:27:29,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:27:29,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:27:29,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:27:30,088 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 6 [2021-10-11 02:27:30,378 INFO L262 CegarLoopResult]: For program point L481(lines 480 527) no Hoare annotation was computed. [2021-10-11 02:27:30,378 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,378 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-11 02:27:30,379 INFO L262 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-10-11 02:27:30,379 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:27:30,379 INFO L262 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L516-1(lines 312 318) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L252(lines 1 901) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:30,380 INFO L262 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L319(lines 319 325) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L319-1(lines 319 325) the Hoare annotation is: false [2021-10-11 02:27:30,380 INFO L258 CegarLoopResult]: At program point L319-2(lines 319 325) the Hoare annotation is: false [2021-10-11 02:27:30,381 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:27:30,381 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:30,384 INFO L262 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L262 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L262 CegarLoopResult]: For program point L58-1(lines 312 318) no Hoare annotation was computed. [2021-10-11 02:27:30,385 INFO L258 CegarLoopResult]: At program point L405(lines 398 408) the Hoare annotation is: false [2021-10-11 02:27:30,385 INFO L258 CegarLoopResult]: At program point L405-1(lines 398 408) the Hoare annotation is: false [2021-10-11 02:27:30,385 INFO L258 CegarLoopResult]: At program point L405-2(lines 398 408) the Hoare annotation is: false [2021-10-11 02:27:30,386 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 02:27:30,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,386 INFO L262 CegarLoopResult]: For program point L275(lines 275 288) no Hoare annotation was computed. [2021-10-11 02:27:30,386 INFO L258 CegarLoopResult]: At program point L275-1(lines 1 901) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,386 INFO L262 CegarLoopResult]: For program point L275-2(lines 275 288) no Hoare annotation was computed. [2021-10-11 02:27:30,386 INFO L258 CegarLoopResult]: At program point L275-3(lines 1 901) the Hoare annotation is: false [2021-10-11 02:27:30,386 INFO L262 CegarLoopResult]: For program point L275-4(lines 275 288) no Hoare annotation was computed. [2021-10-11 02:27:30,386 INFO L258 CegarLoopResult]: At program point L275-5(lines 1 901) the Hoare annotation is: false [2021-10-11 02:27:30,387 INFO L262 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: false [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L193-3(lines 188 196) the Hoare annotation is: false [2021-10-11 02:27:30,387 INFO L258 CegarLoopResult]: At program point L193-4(lines 188 196) the Hoare annotation is: false [2021-10-11 02:27:30,387 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:27:30,388 INFO L258 CegarLoopResult]: At program point L193-5(lines 188 196) the Hoare annotation is: false [2021-10-11 02:27:30,388 INFO L262 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2021-10-11 02:27:30,388 INFO L258 CegarLoopResult]: At program point L458-1(lines 458 464) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,388 INFO L258 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:30,388 INFO L262 CegarLoopResult]: For program point L344(lines 344 361) no Hoare annotation was computed. [2021-10-11 02:27:30,388 INFO L262 CegarLoopResult]: For program point L344-1(lines 344 361) no Hoare annotation was computed. [2021-10-11 02:27:30,388 INFO L262 CegarLoopResult]: For program point L344-2(lines 344 361) no Hoare annotation was computed. [2021-10-11 02:27:30,388 INFO L262 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2021-10-11 02:27:30,389 INFO L258 CegarLoopResult]: At program point L312(lines 311 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,389 INFO L262 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2021-10-11 02:27:30,389 INFO L262 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2021-10-11 02:27:30,389 INFO L258 CegarLoopResult]: At program point L312-2(lines 311 330) the Hoare annotation is: false [2021-10-11 02:27:30,389 INFO L262 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2021-10-11 02:27:30,389 INFO L258 CegarLoopResult]: At program point L312-3(lines 311 330) the Hoare annotation is: false [2021-10-11 02:27:30,389 INFO L262 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2021-10-11 02:27:30,389 INFO L262 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L258 CegarLoopResult]: At program point L528(lines 479 529) the Hoare annotation is: false [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point L297-2(line 297) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 02:27:30,390 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 02:27:30,391 INFO L258 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:30,391 INFO L258 CegarLoopResult]: At program point L414-1(lines 409 417) the Hoare annotation is: false [2021-10-11 02:27:30,391 INFO L262 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2021-10-11 02:27:30,391 INFO L258 CegarLoopResult]: At program point L414-2(lines 409 417) the Hoare annotation is: false [2021-10-11 02:27:30,391 INFO L262 CegarLoopResult]: For program point L348-1(lines 348 356) no Hoare annotation was computed. [2021-10-11 02:27:30,391 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2021-10-11 02:27:30,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:30 BoogieIcfgContainer [2021-10-11 02:27:30,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:30,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:30,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:30,422 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:30,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:26" (3/4) ... [2021-10-11 02:27:30,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:27:30,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:27:30,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:27:30,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:27:30,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:27:30,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:27:30,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:30,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:30,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:27:30,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2242de-e659-42d2-a650-939af12ffcab/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:30,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:30,540 INFO L168 Benchmark]: Toolchain (without parser) took 7202.72 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 29.1 MB in the beginning and 45.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,540 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:30,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.49 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 41.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.53 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 38.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,541 INFO L168 Benchmark]: Boogie Preprocessor took 79.08 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,542 INFO L168 Benchmark]: RCFGBuilder took 2668.67 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 41.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,543 INFO L168 Benchmark]: TraceAbstraction took 3461.72 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.3 MB in the beginning and 52.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,543 INFO L168 Benchmark]: Witness Printer took 117.25 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 45.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:30,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 780.49 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 41.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.53 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 38.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.08 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2668.67 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 41.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3461.72 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.3 MB in the beginning and 52.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 117.25 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 45.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 319 SDslu, 300 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4417 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...