./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ............................................................................................................................................ 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:26:03,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:03,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:03,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:03,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:03,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:03,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:03,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:03,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:03,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:03,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:03,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:03,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:03,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:03,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:03,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:03,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:03,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:03,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:03,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:03,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:03,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:03,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:03,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:03,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:03,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:03,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:03,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:03,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:03,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:03,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:03,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:03,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:03,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:03,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:03,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:03,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:03,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:03,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:03,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:03,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:03,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:03,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:03,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:03,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:03,298 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:03,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:03,298 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:03,299 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:03,299 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:03,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:03,299 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:03,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:03,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:03,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:03,301 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:03,301 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:03,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:03,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:03,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:03,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:03,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:03,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:03,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:03,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:03,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:03,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:03,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:03,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:03,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:03,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:03,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:03,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:03,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:03,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:03,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:03,307 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:03,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:03,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:03,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:03,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:03,308 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2021-10-11 02:26:03,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:03,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:03,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:03,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:03,618 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:03,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-11 02:26:03,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/2106fa0b6/7c1f0574726b4e84957fe7b54a11093e/FLAG20c1bc12b [2021-10-11 02:26:04,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:04,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-11 02:26:04,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/2106fa0b6/7c1f0574726b4e84957fe7b54a11093e/FLAG20c1bc12b [2021-10-11 02:26:04,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/2106fa0b6/7c1f0574726b4e84957fe7b54a11093e [2021-10-11 02:26:04,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:04,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:04,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:04,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:04,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:04,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:04" (1/1) ... [2021-10-11 02:26:04,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452a16f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:04, skipping insertion in model container [2021-10-11 02:26:04,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:04" (1/1) ... [2021-10-11 02:26:04,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:04,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:05,067 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11504,11517] [2021-10-11 02:26:05,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:05,180 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 02:26:05,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b5c9891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:05, skipping insertion in model container [2021-10-11 02:26:05,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:05,182 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:05,185 INFO L168 Benchmark]: Toolchain (without parser) took 521.90 ms. Allocated memory is still 113.2 MB. Free memory was 78.0 MB in the beginning and 86.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,187 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:05,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.52 ms. Allocated memory is still 113.2 MB. Free memory was 78.0 MB in the beginning and 86.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.52 ms. Allocated memory is still 113.2 MB. Free memory was 78.0 MB in the beginning and 86.7 MB in the end (delta: -8.7 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: 108]: 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 02:26:07,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:07,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:07,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:07,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:07,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:07,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:07,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:07,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:07,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:07,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:07,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:07,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:07,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:07,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:07,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:07,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:07,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:07,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:07,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:07,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:07,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:07,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:07,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:07,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:07,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:07,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:07,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:07,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:07,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:07,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:07,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:07,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:07,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:07,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:07,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:07,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:07,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:07,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:07,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:07,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:07,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:07,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:07,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:07,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:07,871 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:07,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:07,872 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:07,872 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:07,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:07,872 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:07,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:07,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:07,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:07,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:07,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:07,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:07,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:07,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:07,877 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:07,877 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:07,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:07,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:07,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:07,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:07,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:07,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:07,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:07,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:07,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:07,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:07,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:07,880 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:07,880 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:07,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:07,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:07,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:07,882 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2021-10-11 02:26:08,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:08,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:08,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:08,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:08,329 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:08,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-11 02:26:08,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/ff8bf09d6/1c00887d017b4c8a99ac3150d61af454/FLAGf9320f6b3 [2021-10-11 02:26:09,136 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:09,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-11 02:26:09,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/ff8bf09d6/1c00887d017b4c8a99ac3150d61af454/FLAGf9320f6b3 [2021-10-11 02:26:09,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/data/ff8bf09d6/1c00887d017b4c8a99ac3150d61af454 [2021-10-11 02:26:09,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:09,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:09,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:09,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:09,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:09,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:09" (1/1) ... [2021-10-11 02:26:09,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da3fa12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:09, skipping insertion in model container [2021-10-11 02:26:09,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:09" (1/1) ... [2021-10-11 02:26:09,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:09,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:09,781 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11504,11517] [2021-10-11 02:26:09,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:09,839 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:09,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:09,937 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11504,11517] [2021-10-11 02:26:09,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:09,976 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:10,027 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_586c1102-c1c5-4091-8ea5-e2db9bbca04a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11504,11517] [2021-10-11 02:26:10,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:10,094 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:10,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10 WrapperNode [2021-10-11 02:26:10,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:10,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:10,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:10,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:10,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:10,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:10,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:10,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:10,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:10,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:10,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:10,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:10,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:12,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:12,507 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:26:12,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:12 BoogieIcfgContainer [2021-10-11 02:26:12,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:12,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:12,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:12,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:12,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:09" (1/3) ... [2021-10-11 02:26:12,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24875bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:12, skipping insertion in model container [2021-10-11 02:26:12,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10" (2/3) ... [2021-10-11 02:26:12,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24875bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:12, skipping insertion in model container [2021-10-11 02:26:12,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:12" (3/3) ... [2021-10-11 02:26:12,517 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2021-10-11 02:26:12,532 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:12,536 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:12,547 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:12,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:12,569 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:12,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:12,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:12,573 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:12,573 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:12,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:12,573 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 02:26:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:26:12,594 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:12,595 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 02:26:12,595 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:12,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:12,601 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2021-10-11 02:26:12,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:12,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826822378] [2021-10-11 02:26:12,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:12,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:12,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:12,931 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 02:26:12,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:12,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826822378] [2021-10-11 02:26:12,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:12,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:12,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341369436] [2021-10-11 02:26:12,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:12,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:12,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:12,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:12,953 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 02:26:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:12,979 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-11 02:26:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:12,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:26:12,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:12,995 INFO L225 Difference]: With dead ends: 143 [2021-10-11 02:26:12,995 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:26:12,998 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 02:26:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:26:13,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:26:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:26:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-11 02:26:13,038 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-11 02:26:13,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:13,038 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-11 02:26:13,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-11 02:26:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:26:13,040 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:13,040 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 02:26:13,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:13,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:13,259 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2021-10-11 02:26:13,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:13,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334336697] [2021-10-11 02:26:13,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:13,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:13,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:13,509 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 02:26:13,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:13,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334336697] [2021-10-11 02:26:13,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:13,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:13,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607026475] [2021-10-11 02:26:13,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:13,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:13,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:13,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:13,514 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2021-10-11 02:26:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:13,541 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-11 02:26:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:13,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:26:13,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:13,543 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:26:13,543 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:26:13,544 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 02:26:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:26:13,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:26:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:26:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:26:13,565 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:26:13,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:13,566 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:26:13,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:26:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:26:13,567 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:13,567 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 02:26:13,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:13,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2021-10-11 02:26:13,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:13,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483172967] [2021-10-11 02:26:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:13,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:13,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,024 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 02:26:14,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:14,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483172967] [2021-10-11 02:26:14,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:14,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:14,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832908379] [2021-10-11 02:26:14,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:14,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:14,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:14,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:14,028 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:26:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:14,074 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-10-11 02:26:14,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:14,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:26:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:14,076 INFO L225 Difference]: With dead ends: 91 [2021-10-11 02:26:14,076 INFO L226 Difference]: Without dead ends: 63 [2021-10-11 02:26:14,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:26:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-11 02:26:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2021-10-11 02:26:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:26:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2021-10-11 02:26:14,088 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2021-10-11 02:26:14,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:14,088 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2021-10-11 02:26:14,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2021-10-11 02:26:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:26:14,090 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:14,090 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 02:26:14,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:14,310 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:14,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:14,311 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2021-10-11 02:26:14,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:14,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63649084] [2021-10-11 02:26:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:14,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:14,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,612 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 02:26:14,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:14,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63649084] [2021-10-11 02:26:14,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:14,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:14,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190738205] [2021-10-11 02:26:14,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:14,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:14,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:14,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:14,619 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2021-10-11 02:26:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:14,818 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2021-10-11 02:26:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:14,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:26:14,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:14,822 INFO L225 Difference]: With dead ends: 265 [2021-10-11 02:26:14,822 INFO L226 Difference]: Without dead ends: 213 [2021-10-11 02:26:14,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:26:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-11 02:26:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2021-10-11 02:26:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 02:26:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2021-10-11 02:26:14,842 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2021-10-11 02:26:14,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:14,843 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2021-10-11 02:26:14,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2021-10-11 02:26:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:26:14,844 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:14,844 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, 1] [2021-10-11 02:26:15,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:15,067 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:15,067 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2021-10-11 02:26:15,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:15,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472549408] [2021-10-11 02:26:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/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 02:26:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:15,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:15,325 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 02:26:15,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:15,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472549408] [2021-10-11 02:26:15,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:15,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:15,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729269415] [2021-10-11 02:26:15,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:15,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:15,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:15,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:15,327 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2021-10-11 02:26:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:15,447 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2021-10-11 02:26:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:15,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:26:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:15,448 INFO L225 Difference]: With dead ends: 299 [2021-10-11 02:26:15,448 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:15,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 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 02:26:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:15,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:15,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:26:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:15,451 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:15,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:15,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:15,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:15,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:16,123 INFO L262 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2021-10-11 02:26:16,123 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2021-10-11 02:26:16,124 INFO L262 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2021-10-11 02:26:16,125 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,125 INFO L262 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,125 INFO L258 CegarLoopResult]: At program point L896(lines 891 898) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:16,125 INFO L262 CegarLoopResult]: For program point L450-2(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,126 INFO L262 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:26:16,126 INFO L262 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:26:16,126 INFO L262 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:26:16,126 INFO L258 CegarLoopResult]: At program point L748(lines 741 751) the Hoare annotation is: false [2021-10-11 02:26:16,134 INFO L258 CegarLoopResult]: At program point L748-1(lines 741 751) the Hoare annotation is: false [2021-10-11 02:26:16,134 INFO L258 CegarLoopResult]: At program point L748-2(lines 741 751) the Hoare annotation is: false [2021-10-11 02:26:16,134 INFO L258 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: false [2021-10-11 02:26:16,134 INFO L262 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2021-10-11 02:26:16,134 INFO L262 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-10-11 02:26:16,135 INFO L258 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:16,135 INFO L258 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2021-10-11 02:26:16,135 INFO L262 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2021-10-11 02:26:16,136 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:16,137 INFO L258 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,137 INFO L258 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2021-10-11 02:26:16,137 INFO L258 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,139 INFO L258 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2021-10-11 02:26:16,139 INFO L258 CegarLoopResult]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2021-10-11 02:26:16,139 INFO L258 CegarLoopResult]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-10-11 02:26:16,139 INFO L262 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2021-10-11 02:26:16,139 INFO L258 CegarLoopResult]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-10-11 02:26:16,140 INFO L258 CegarLoopResult]: At program point L851-1(lines 851 857) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,141 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:16,141 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 02:26:16,141 INFO L265 CegarLoopResult]: At program point L637(lines 618 640) the Hoare annotation is: true [2021-10-11 02:26:16,141 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,141 INFO L262 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2021-10-11 02:26:16,142 INFO L262 CegarLoopResult]: For program point L687-1(lines 687 704) no Hoare annotation was computed. [2021-10-11 02:26:16,142 INFO L262 CegarLoopResult]: For program point L687-2(lines 687 704) no Hoare annotation was computed. [2021-10-11 02:26:16,142 INFO L262 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2021-10-11 02:26:16,142 INFO L258 CegarLoopResult]: At program point L869-1(lines 655 661) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,142 INFO L258 CegarLoopResult]: At program point L655(lines 654 673) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,142 INFO L262 CegarLoopResult]: For program point L655-1(lines 655 661) no Hoare annotation was computed. [2021-10-11 02:26:16,143 INFO L258 CegarLoopResult]: At program point L655-2(lines 654 673) the Hoare annotation is: false [2021-10-11 02:26:16,143 INFO L258 CegarLoopResult]: At program point L655-3(lines 654 673) the Hoare annotation is: false [2021-10-11 02:26:16,143 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:16,143 INFO L262 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-10-11 02:26:16,143 INFO L262 CegarLoopResult]: For program point L557-1(lines 655 661) no Hoare annotation was computed. [2021-10-11 02:26:16,143 INFO L262 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-11 02:26:16,145 INFO L258 CegarLoopResult]: At program point L757(lines 752 760) 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 02:26:16,145 INFO L258 CegarLoopResult]: At program point L757-1(lines 752 760) the Hoare annotation is: false [2021-10-11 02:26:16,145 INFO L262 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2021-10-11 02:26:16,145 INFO L258 CegarLoopResult]: At program point L757-2(lines 752 760) the Hoare annotation is: false [2021-10-11 02:26:16,145 INFO L262 CegarLoopResult]: For program point L691-1(lines 691 699) no Hoare annotation was computed. [2021-10-11 02:26:16,145 INFO L262 CegarLoopResult]: For program point L691-2(lines 691 699) no Hoare annotation was computed. [2021-10-11 02:26:16,146 INFO L262 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2021-10-11 02:26:16,146 INFO L258 CegarLoopResult]: At program point L907-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,146 INFO L262 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2021-10-11 02:26:16,146 INFO L262 CegarLoopResult]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2021-10-11 02:26:16,147 INFO L258 CegarLoopResult]: At program point L841-1(lines 841 847) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,147 INFO L258 CegarLoopResult]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2021-10-11 02:26:16,147 INFO L262 CegarLoopResult]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2021-10-11 02:26:16,147 INFO L258 CegarLoopResult]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2021-10-11 02:26:16,147 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:16,147 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2021-10-11 02:26:16,148 INFO L262 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-10-11 02:26:16,148 INFO L262 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2021-10-11 02:26:16,148 INFO L265 CegarLoopResult]: At program point L628-1(lines 628 635) the Hoare annotation is: true [2021-10-11 02:26:16,150 INFO L258 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:16,150 INFO L258 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:16,150 INFO L258 CegarLoopResult]: At program point L662-1(lines 662 668) the Hoare annotation is: false [2021-10-11 02:26:16,151 INFO L258 CegarLoopResult]: At program point L662-2(lines 662 668) the Hoare annotation is: false [2021-10-11 02:26:16,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:16 BoogieIcfgContainer [2021-10-11 02:26:16,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:16,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:16,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:16,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:16,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:12" (3/4) ... [2021-10-11 02:26:16,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:16,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:16,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:16,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:16,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:16,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:16,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:16,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:16,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:26:16,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586c1102-c1c5-4091-8ea5-e2db9bbca04a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:16,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:16,280 INFO L168 Benchmark]: Toolchain (without parser) took 6852.23 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,280 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:16,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.63 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 28.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 62.9 MB. Free memory was 28.3 MB in the beginning and 43.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,282 INFO L168 Benchmark]: Boogie Preprocessor took 54.50 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 41.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,283 INFO L168 Benchmark]: RCFGBuilder took 2261.46 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 47.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,283 INFO L168 Benchmark]: TraceAbstraction took 3659.13 ms. Allocated memory is still 83.9 MB. Free memory was 46.8 MB in the beginning and 48.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,284 INFO L168 Benchmark]: Witness Printer took 107.47 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 42.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:16,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.63 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 28.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 62.9 MB. Free memory was 28.3 MB in the beginning and 43.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.50 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 41.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2261.46 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 47.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3659.13 ms. Allocated memory is still 83.9 MB. Free memory was 46.8 MB in the beginning and 48.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 107.47 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 42.5 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: 450]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 450]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 450]: 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: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 321 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 3909 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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...