./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 22cc4a601f3417d8b2d689199409c31ee52b154c ............................................................................................................................................ 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 22cc4a601f3417d8b2d689199409c31ee52b154c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:26:23,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:23,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:23,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:23,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:23,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:23,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:23,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:23,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:23,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:23,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:23,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:23,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:23,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:23,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:23,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:23,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:23,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:23,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:23,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:23,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:23,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:23,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:23,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:23,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:23,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:23,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:23,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:23,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:23,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:23,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:23,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:23,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:23,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:23,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:23,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:23,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:23,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:23,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:23,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:23,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:23,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:23,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:23,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:23,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:23,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:23,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:23,305 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:23,305 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:23,306 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:23,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:23,306 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:23,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:23,313 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:23,313 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:23,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:23,314 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:23,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:23,315 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:23,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:23,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:23,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:23,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:23,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:23,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:23,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:23,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:23,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:23,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:23,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:23,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:23,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:23,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:23,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:23,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:23,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:23,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:23,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:23,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:23,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:23,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:23,321 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22cc4a601f3417d8b2d689199409c31ee52b154c [2021-10-11 02:26:23,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:23,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:23,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:23,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:23,638 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:23,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-11 02:26:23,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/4b34f03a8/f2481d535adc420da826a149925ab511/FLAG5ed4952cc [2021-10-11 02:26:24,244 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:24,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-11 02:26:24,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/4b34f03a8/f2481d535adc420da826a149925ab511/FLAG5ed4952cc [2021-10-11 02:26:24,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/4b34f03a8/f2481d535adc420da826a149925ab511 [2021-10-11 02:26:24,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:24,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:24,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:24,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:24,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:24,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:24" (1/1) ... [2021-10-11 02:26:24,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591a207d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:24, skipping insertion in model container [2021-10-11 02:26:24,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:24" (1/1) ... [2021-10-11 02:26:24,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:24,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:24,924 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2021-10-11 02:26:24,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:24,939 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 02:26:24,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28687239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:24, skipping insertion in model container [2021-10-11 02:26:24,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:24,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:24,943 INFO L168 Benchmark]: Toolchain (without parser) took 402.72 ms. Allocated memory is still 104.9 MB. Free memory was 64.5 MB in the beginning and 77.2 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:24,944 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:24,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.08 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 77.2 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:24,951 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 104.9 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.08 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 77.2 MB in the end (delta: -12.8 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: 235]: 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 02:26:27,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:27,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:27,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:27,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:27,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:27,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:27,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:27,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:27,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:27,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:27,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:27,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:27,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:27,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:27,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:27,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:27,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:27,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:27,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:27,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:27,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:27,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:27,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:27,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:27,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:27,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:27,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:27,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:27,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:27,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:27,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:27,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:27,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:27,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:27,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:27,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:27,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:27,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:27,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:27,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:27,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:27,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:27,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:27,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:27,379 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:27,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:27,380 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:27,380 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:27,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:27,380 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:27,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:27,382 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:27,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:27,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:27,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:27,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:27,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:27,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:27,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:27,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:27,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:27,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:27,384 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:27,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:27,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:27,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:27,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:27,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:27,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:27,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:27,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:27,386 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:27,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:27,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:27,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:27,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:27,387 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22cc4a601f3417d8b2d689199409c31ee52b154c [2021-10-11 02:26:27,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:27,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:27,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:27,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:27,784 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:27,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-11 02:26:27,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/57a5fab7d/cb5936b066b54913a9d4aa93cb011ce3/FLAGe1686ac82 [2021-10-11 02:26:28,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:28,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-11 02:26:28,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/57a5fab7d/cb5936b066b54913a9d4aa93cb011ce3/FLAGe1686ac82 [2021-10-11 02:26:28,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/data/57a5fab7d/cb5936b066b54913a9d4aa93cb011ce3 [2021-10-11 02:26:28,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:28,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:28,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:28,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:28,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:28,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e9ff02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:28, skipping insertion in model container [2021-10-11 02:26:28,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:28" (1/1) ... [2021-10-11 02:26:28,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:28,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:29,081 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2021-10-11 02:26:29,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:29,108 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:29,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:29,198 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2021-10-11 02:26:29,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:29,204 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:29,300 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_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[16850,16863] [2021-10-11 02:26:29,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:29,360 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:29,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29 WrapperNode [2021-10-11 02:26:29,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:29,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:29,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:29,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:29,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:29,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:29,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:29,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:29,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... [2021-10-11 02:26:29,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:29,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:29,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:29,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:29,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 02:26:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:32,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:32,052 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 02:26:32,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:32 BoogieIcfgContainer [2021-10-11 02:26:32,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:32,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:32,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:32,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:32,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:28" (1/3) ... [2021-10-11 02:26:32,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78275285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:32, skipping insertion in model container [2021-10-11 02:26:32,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:29" (2/3) ... [2021-10-11 02:26:32,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78275285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:32, skipping insertion in model container [2021-10-11 02:26:32,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:32" (3/3) ... [2021-10-11 02:26:32,071 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2021-10-11 02:26:32,085 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:32,090 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:32,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:32,122 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:32,122 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:32,122 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:32,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:32,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:32,123 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:32,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:32,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-10-11 02:26:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:26:32,145 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:32,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:32,147 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:32,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:32,153 INFO L82 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2021-10-11 02:26:32,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:32,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556703907] [2021-10-11 02:26:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 02:26:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:32,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:32,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:32,467 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 02:26:32,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:32,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556703907] [2021-10-11 02:26:32,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:32,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:32,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388044582] [2021-10-11 02:26:32,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:32,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:32,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:32,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:32,501 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2021-10-11 02:26:32,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:32,539 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2021-10-11 02:26:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:32,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:26:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:32,557 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:26:32,558 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 02:26:32,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:26:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 02:26:32,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 02:26:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 02:26:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2021-10-11 02:26:32,615 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2021-10-11 02:26:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:32,616 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2021-10-11 02:26:32,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-10-11 02:26:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:26:32,618 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:32,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:32,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:32,838 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:32,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:32,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2021-10-11 02:26:32,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:32,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268332721] [2021-10-11 02:26:32,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 02:26:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:33,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:33,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:33,105 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 02:26:33,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:33,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268332721] [2021-10-11 02:26:33,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:33,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:33,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061941770] [2021-10-11 02:26:33,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:33,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:33,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:33,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:33,110 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2021-10-11 02:26:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:33,121 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2021-10-11 02:26:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:33,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:26:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:33,123 INFO L225 Difference]: With dead ends: 57 [2021-10-11 02:26:33,123 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:26:33,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:26:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:26:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:26:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:26:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:26:33,129 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-11 02:26:33,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:33,130 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:26:33,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:26:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:26:33,131 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:33,131 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 02:26:33,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:33,351 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2021-10-11 02:26:33,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:33,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422853793] [2021-10-11 02:26:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 02:26:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:33,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:33,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:33,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:33,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422853793] [2021-10-11 02:26:33,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:33,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:33,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195182661] [2021-10-11 02:26:33,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:33,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:33,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:33,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:33,577 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2021-10-11 02:26:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:33,673 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2021-10-11 02:26:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:33,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:26:33,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:33,675 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:26:33,675 INFO L226 Difference]: Without dead ends: 90 [2021-10-11 02:26:33,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 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 02:26:33,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-11 02:26:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2021-10-11 02:26:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-10-11 02:26:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2021-10-11 02:26:33,687 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2021-10-11 02:26:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:33,687 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2021-10-11 02:26:33,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2021-10-11 02:26:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:26:33,688 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:33,689 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, 1] [2021-10-11 02:26:33,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:33,905 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:33,905 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2021-10-11 02:26:33,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:33,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24563643] [2021-10-11 02:26:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/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 02:26:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:34,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:34,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:34,151 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 02:26:34,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:34,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24563643] [2021-10-11 02:26:34,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:34,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:34,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034973994] [2021-10-11 02:26:34,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:34,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:34,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:34,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:34,156 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2021-10-11 02:26:34,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:34,264 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2021-10-11 02:26:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:34,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:26:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:34,266 INFO L225 Difference]: With dead ends: 132 [2021-10-11 02:26:34,266 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:34,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 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 02:26:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:34,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:34,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:26:34,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:34,273 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:34,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:34,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:34,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:34,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:34,709 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,709 INFO L262 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,709 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:34,709 INFO L262 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,709 INFO L262 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,710 INFO L262 CegarLoopResult]: For program point L185(lines 185 202) no Hoare annotation was computed. [2021-10-11 02:26:34,710 INFO L258 CegarLoopResult]: At program point L185-1(lines 1 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,710 INFO L262 CegarLoopResult]: For program point L185-2(lines 185 202) no Hoare annotation was computed. [2021-10-11 02:26:34,710 INFO L258 CegarLoopResult]: At program point L185-3(lines 1 865) the Hoare annotation is: false [2021-10-11 02:26:34,710 INFO L262 CegarLoopResult]: For program point L185-4(lines 185 202) no Hoare annotation was computed. [2021-10-11 02:26:34,710 INFO L258 CegarLoopResult]: At program point L185-5(lines 1 865) the Hoare annotation is: false [2021-10-11 02:26:34,711 INFO L262 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-11 02:26:34,711 INFO L262 CegarLoopResult]: For program point L831(lines 831 844) no Hoare annotation was computed. [2021-10-11 02:26:34,712 INFO L258 CegarLoopResult]: At program point L683(lines 682 701) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,712 INFO L262 CegarLoopResult]: For program point L683-1(lines 683 689) no Hoare annotation was computed. [2021-10-11 02:26:34,712 INFO L258 CegarLoopResult]: At program point L683-2(lines 682 701) the Hoare annotation is: false [2021-10-11 02:26:34,712 INFO L258 CegarLoopResult]: At program point L683-3(lines 682 701) the Hoare annotation is: false [2021-10-11 02:26:34,712 INFO L258 CegarLoopResult]: At program point L634(lines 630 636) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:26:34,712 INFO L258 CegarLoopResult]: At program point L849(lines 800 850) the Hoare annotation is: false [2021-10-11 02:26:34,713 INFO L258 CegarLoopResult]: At program point L585-2(lines 585 599) the Hoare annotation is: false [2021-10-11 02:26:34,713 INFO L262 CegarLoopResult]: For program point L189(lines 189 199) no Hoare annotation was computed. [2021-10-11 02:26:34,713 INFO L265 CegarLoopResult]: At program point L668(lines 649 671) the Hoare annotation is: true [2021-10-11 02:26:34,713 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 199) no Hoare annotation was computed. [2021-10-11 02:26:34,713 INFO L262 CegarLoopResult]: For program point L189-4(lines 189 199) no Hoare annotation was computed. [2021-10-11 02:26:34,713 INFO L262 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2021-10-11 02:26:34,713 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:34,714 INFO L262 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:26:34,714 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:26:34,714 INFO L262 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:26:34,714 INFO L258 CegarLoopResult]: At program point L174(lines 169 176) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:26:34,715 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:26:34,715 INFO L262 CegarLoopResult]: For program point L802(lines 801 848) no Hoare annotation was computed. [2021-10-11 02:26:34,715 INFO L262 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2021-10-11 02:26:34,716 INFO L262 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2021-10-11 02:26:34,719 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,719 INFO L262 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2021-10-11 02:26:34,719 INFO L262 CegarLoopResult]: For program point L803(lines 803 807) no Hoare annotation was computed. [2021-10-11 02:26:34,719 INFO L262 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-10-11 02:26:34,720 INFO L262 CegarLoopResult]: For program point L589-1(lines 683 689) no Hoare annotation was computed. [2021-10-11 02:26:34,720 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:34,720 INFO L262 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2021-10-11 02:26:34,720 INFO L258 CegarLoopResult]: At program point L821-1(lines 821 827) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,720 INFO L258 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,720 INFO L258 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2021-10-11 02:26:34,720 INFO L258 CegarLoopResult]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2021-10-11 02:26:34,720 INFO L262 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-10-11 02:26:34,721 INFO L258 CegarLoopResult]: At program point L839-2(lines 683 689) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,721 INFO L258 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,721 INFO L258 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: false [2021-10-11 02:26:34,721 INFO L258 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2021-10-11 02:26:34,721 INFO L262 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2021-10-11 02:26:34,721 INFO L265 CegarLoopResult]: At program point L659-1(lines 659 666) the Hoare annotation is: true [2021-10-11 02:26:34,721 INFO L258 CegarLoopResult]: At program point L742(lines 737 745) 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 02:26:34,722 INFO L258 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2021-10-11 02:26:34,722 INFO L258 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2021-10-11 02:26:34,722 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:34,722 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 02:26:34,722 INFO L262 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2021-10-11 02:26:34,727 INFO L258 CegarLoopResult]: At program point L67(lines 1 865) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:26:34,727 INFO L262 CegarLoopResult]: For program point L811(lines 811 817) no Hoare annotation was computed. [2021-10-11 02:26:34,728 INFO L258 CegarLoopResult]: At program point L811-1(lines 811 817) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:34,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:34 BoogieIcfgContainer [2021-10-11 02:26:34,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:34,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:34,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:34,765 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:34,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:32" (3/4) ... [2021-10-11 02:26:34,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:34,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:34,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:34,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:34,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:34,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:34,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:34,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:34,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:26:34,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e5e98d-5e99-46e3-bdab-7c5cc2ddc4f8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:34,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:34,881 INFO L168 Benchmark]: Toolchain (without parser) took 6199.29 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.7 MB in the beginning and 58.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,881 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:34,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.20 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 50.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.09 ms. Allocated memory is still 69.2 MB. Free memory was 50.7 MB in the beginning and 48.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,883 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 69.2 MB. Free memory was 48.0 MB in the beginning and 45.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,883 INFO L168 Benchmark]: RCFGBuilder took 2583.76 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 31.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,883 INFO L168 Benchmark]: TraceAbstraction took 2703.17 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 63.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,884 INFO L168 Benchmark]: Witness Printer took 114.33 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 58.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:34,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.20 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 50.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.09 ms. Allocated memory is still 69.2 MB. Free memory was 50.7 MB in the beginning and 48.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 69.2 MB. Free memory was 48.0 MB in the beginning and 45.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2583.76 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 31.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2703.17 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 63.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Witness Printer took 114.33 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 58.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 220 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 2952 SizeOfPredicates, 7 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...