./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8 --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 5eed478f48f8cf940c15b323900b8556a7a21390 ............................................................................................................................................ 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_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8 --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 5eed478f48f8cf940c15b323900b8556a7a21390 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:40:31,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:40:31,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:40:31,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:40:31,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:40:31,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:40:31,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:40:31,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:40:31,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:40:31,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:40:31,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:40:31,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:40:31,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:40:31,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:40:31,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:40:31,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:40:31,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:40:31,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:40:31,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:40:31,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:40:31,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:40:31,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:40:31,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:40:31,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:40:31,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:40:31,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:40:31,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:40:31,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:40:31,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:40:31,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:40:31,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:40:31,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:40:31,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:40:31,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:40:31,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:40:31,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:40:31,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:40:31,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:40:31,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:40:31,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:40:31,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:40:31,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:40:31,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:40:31,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:40:31,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:40:31,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:40:31,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:40:31,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:40:31,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:40:31,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:40:31,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:40:31,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:40:31,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:40:31,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:40:31,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:40:31,353 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:40:31,354 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:40:31,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:40:31,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:40:31,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:40:31,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:40:31,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:40:31,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:40:31,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:40:31,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:40:31,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:40:31,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:40:31,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:40:31,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:40:31,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:40:31,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:40:31,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:40:31,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:31,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:40:31,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:40:31,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:40:31,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:40:31,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:40:31,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:40:31,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:40:31,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:40:31,363 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_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2021-10-13 07:40:31,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:40:31,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:40:31,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:40:31,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:40:31,700 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:40:31,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-13 07:40:31,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/3f8c9f703/bceee8b23cf74c1691cba3ff5e589e94/FLAG16a92297f [2021-10-13 07:40:32,336 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:40:32,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-13 07:40:32,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/3f8c9f703/bceee8b23cf74c1691cba3ff5e589e94/FLAG16a92297f [2021-10-13 07:40:32,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/3f8c9f703/bceee8b23cf74c1691cba3ff5e589e94 [2021-10-13 07:40:32,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:40:32,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:40:32,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:32,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:40:32,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:40:32,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:32" (1/1) ... [2021-10-13 07:40:32,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293b10fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:32, skipping insertion in model container [2021-10-13 07:40:32,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:32" (1/1) ... [2021-10-13 07:40:32,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:40:32,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:40:32,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7655,7668] [2021-10-13 07:40:32,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:32,963 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) [2021-10-13 07:40:32,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7021fffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:32, skipping insertion in model container [2021-10-13 07:40:32,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:32,968 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:40:32,971 INFO L168 Benchmark]: Toolchain (without parser) took 379.97 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 93.4 MB in the beginning and 129.3 MB in the end (delta: -35.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:32,972 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 78.8 MB in the beginning and 78.7 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:40:32,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.36 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 93.2 MB in the beginning and 129.3 MB in the end (delta: -36.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:32,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 78.8 MB in the beginning and 78.7 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.36 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 93.2 MB in the beginning and 129.3 MB in the end (delta: -36.1 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: 571]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:40:35,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:40:35,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:40:35,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:40:35,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:40:35,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:40:35,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:40:35,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:40:35,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:40:35,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:40:35,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:40:35,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:40:35,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:40:35,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:40:35,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:40:35,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:40:35,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:40:35,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:40:35,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:40:35,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:40:35,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:40:35,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:40:35,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:40:35,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:40:35,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:40:35,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:40:35,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:40:35,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:40:35,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:40:35,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:40:35,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:40:35,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:40:35,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:40:35,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:40:35,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:40:35,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:40:35,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:40:35,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:40:35,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:40:35,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:40:35,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:40:35,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:40:35,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:40:35,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:40:35,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:40:35,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:40:35,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:40:35,351 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:40:35,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:40:35,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:40:35,352 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:40:35,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:40:35,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:40:35,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:40:35,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:40:35,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:40:35,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:40:35,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:40:35,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:40:35,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:40:35,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:40:35,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:40:35,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:40:35,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:40:35,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:40:35,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:40:35,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:40:35,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:40:35,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:35,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:40:35,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:40:35,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:40:35,359 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:40:35,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:40:35,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:40:35,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:40:35,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:40:35,361 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_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2021-10-13 07:40:35,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:40:35,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:40:35,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:40:35,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:40:35,761 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:40:35,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-13 07:40:35,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/6128f23bc/b3cff2e98e6e458d925a9472cc9dd2f0/FLAGcc4d905f3 [2021-10-13 07:40:36,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:40:36,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-13 07:40:36,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/6128f23bc/b3cff2e98e6e458d925a9472cc9dd2f0/FLAGcc4d905f3 [2021-10-13 07:40:36,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/data/6128f23bc/b3cff2e98e6e458d925a9472cc9dd2f0 [2021-10-13 07:40:36,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:40:36,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:40:36,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:36,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:40:36,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:40:36,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:36" (1/1) ... [2021-10-13 07:40:36,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572390aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:36, skipping insertion in model container [2021-10-13 07:40:36,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:36" (1/1) ... [2021-10-13 07:40:36,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:40:36,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:40:37,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7655,7668] [2021-10-13 07:40:37,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:37,133 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:40:37,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:40:37,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7655,7668] [2021-10-13 07:40:37,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:37,224 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:40:37,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7655,7668] [2021-10-13 07:40:37,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:37,318 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:40:37,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37 WrapperNode [2021-10-13 07:40:37,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:37,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:37,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:40:37,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:40:37,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:37,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:40:37,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:40:37,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:40:37,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:40:37,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:40:37,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:40:37,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:40:37,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (1/1) ... [2021-10-13 07:40:37,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:40:37,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:40:37,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:40:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:40:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:40:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:40:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:40:39,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:40:39,948 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-13 07:40:39,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:39 BoogieIcfgContainer [2021-10-13 07:40:39,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:40:39,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:40:39,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:40:39,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:40:39,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:40:36" (1/3) ... [2021-10-13 07:40:39,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180dcf54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:39, skipping insertion in model container [2021-10-13 07:40:39,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:37" (2/3) ... [2021-10-13 07:40:39,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180dcf54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:40:39, skipping insertion in model container [2021-10-13 07:40:39,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:39" (3/3) ... [2021-10-13 07:40:39,958 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2021-10-13 07:40:39,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:40:39,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:40:40,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:40:40,020 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:40:40,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:40:40,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:40:40,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:40,049 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:40,050 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:40,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:40,056 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-13 07:40:40,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:40,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924230970] [2021-10-13 07:40:40,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:40,072 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:40,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:40,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:40:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:40,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:40:40,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:40,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:40,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:40,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924230970] [2021-10-13 07:40:40,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924230970] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:40,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:40,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:40:40,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077153412] [2021-10-13 07:40:40,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:40:40,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:40,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:40:40,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:40:40,472 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:40,530 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-13 07:40:40,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:40:40,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 07:40:40,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:40,545 INFO L225 Difference]: With dead ends: 144 [2021-10-13 07:40:40,545 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:40:40,549 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:40:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:40:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:40:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-13 07:40:40,596 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-13 07:40:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:40,596 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-13 07:40:40,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-13 07:40:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:40:40,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:40,599 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:40,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:40,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:40,811 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:40,814 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-13 07:40:40,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:40,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284609376] [2021-10-13 07:40:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:40,816 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:40,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:40,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:40,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:40:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:41,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:40:41,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:41,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:41,137 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:41,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284609376] [2021-10-13 07:40:41,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284609376] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:41,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:41,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:40:41,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549878151] [2021-10-13 07:40:41,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:40:41,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:41,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:40:41,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:40:41,142 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:41,159 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-13 07:40:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:40:41,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 07:40:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:41,160 INFO L225 Difference]: With dead ends: 71 [2021-10-13 07:40:41,161 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:40:41,161 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:40:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:40:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:40:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 07:40:41,175 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-13 07:40:41,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:41,175 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 07:40:41,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 07:40:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:40:41,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:41,184 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:41,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:41,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:41,400 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-13 07:40:41,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:41,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335352043] [2021-10-13 07:40:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:41,404 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:41,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:41,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:40:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:41,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:40:41,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:41,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:41,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:41,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335352043] [2021-10-13 07:40:41,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335352043] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:41,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:41,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:40:41,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528142081] [2021-10-13 07:40:41,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:40:41,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:40:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:40:41,717 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:41,752 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-13 07:40:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:40:41,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 07:40:41,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:41,754 INFO L225 Difference]: With dead ends: 60 [2021-10-13 07:40:41,755 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:40:41,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:40:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:40:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:40:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 07:40:41,760 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-13 07:40:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:41,760 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 07:40:41,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-13 07:40:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:40:41,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:41,767 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:41,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:41,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:41,982 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:41,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-13 07:40:41,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:41,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941184333] [2021-10-13 07:40:41,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:41,984 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:41,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:41,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:41,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:40:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:42,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:40:42,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:42,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:42,434 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:42,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941184333] [2021-10-13 07:40:42,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941184333] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:42,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:42,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:40:42,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119290878] [2021-10-13 07:40:42,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:40:42,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:42,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:40:42,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:40:42,436 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:42,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:42,665 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-10-13 07:40:42,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 07:40:42,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 07:40:42,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:42,668 INFO L225 Difference]: With dead ends: 220 [2021-10-13 07:40:42,668 INFO L226 Difference]: Without dead ends: 193 [2021-10-13 07:40:42,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 119.2ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:40:42,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-13 07:40:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2021-10-13 07:40:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-13 07:40:42,684 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-10-13 07:40:42,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:42,684 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-13 07:40:42,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-13 07:40:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:40:42,686 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:42,686 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:42,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:42,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:42,898 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:42,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:42,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2021-10-13 07:40:42,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:42,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512087148] [2021-10-13 07:40:42,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:42,900 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:42,901 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:42,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:40:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:43,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:40:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:43,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:43,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:43,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512087148] [2021-10-13 07:40:43,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512087148] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:43,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:43,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:40:43,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387361379] [2021-10-13 07:40:43,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:40:43,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:43,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:40:43,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:43,269 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:44,437 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2021-10-13 07:40:44,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:40:44,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:40:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:44,439 INFO L225 Difference]: With dead ends: 202 [2021-10-13 07:40:44,439 INFO L226 Difference]: Without dead ends: 130 [2021-10-13 07:40:44,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-13 07:40:44,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-10-13 07:40:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:44,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2021-10-13 07:40:44,457 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2021-10-13 07:40:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:44,458 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2021-10-13 07:40:44,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2021-10-13 07:40:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 07:40:44,460 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:44,460 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:44,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:44,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:44,666 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:44,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:44,666 INFO L82 PathProgramCache]: Analyzing trace with hash -69063013, now seen corresponding path program 1 times [2021-10-13 07:40:44,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:44,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423166987] [2021-10-13 07:40:44,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:44,667 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:44,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:44,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:40:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:44,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:40:44,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:44,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:45,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:45,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423166987] [2021-10-13 07:40:45,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423166987] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:45,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:40:45,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:40:45,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949775940] [2021-10-13 07:40:45,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:40:45,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:45,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:40:45,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:45,078 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:45,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:45,091 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2021-10-13 07:40:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:40:45,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 07:40:45,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:45,093 INFO L225 Difference]: With dead ends: 182 [2021-10-13 07:40:45,093 INFO L226 Difference]: Without dead ends: 60 [2021-10-13 07:40:45,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:40:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-13 07:40:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-13 07:40:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-13 07:40:45,117 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2021-10-13 07:40:45,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:45,117 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-13 07:40:45,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-13 07:40:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 07:40:45,122 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:40:45,123 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:40:45,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:45,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:40:45,336 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:40:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:40:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2021-10-13 07:40:45,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:40:45,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711257118] [2021-10-13 07:40:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:45,337 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:40:45,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:40:45,338 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:40:45,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:40:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:45,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:40:45,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:45,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:40:45,857 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:40:45,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711257118] [2021-10-13 07:40:45,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711257118] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:40:45,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [989305287] [2021-10-13 07:40:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:40:45,858 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:40:45,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:40:45,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:40:45,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 07:40:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:40:46,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:40:46,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:40:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 07:40:46,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:40:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 07:40:46,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [989305287] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:40:46,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:40:46,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 07:40:46,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456691909] [2021-10-13 07:40:46,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:40:46,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:40:46,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:40:46,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:40:46,355 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:46,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:40:46,436 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-13 07:40:46,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:40:46,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-13 07:40:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:40:46,437 INFO L225 Difference]: With dead ends: 118 [2021-10-13 07:40:46,437 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:40:46,438 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 79.2ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:40:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:40:46,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:40:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:40:46,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-13 07:40:46,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:40:46,439 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:40:46,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:40:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:40:46,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:40:46,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:40:46,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:40:46,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:40:46,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:46,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:40:46,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:40:46,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:40:46,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:46,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:40:47,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,229 INFO L853 garLoopResultBuilder]: At program point L432(lines 1 907) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:40:47,229 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-13 07:40:47,229 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2021-10-13 07:40:47,229 INFO L860 garLoopResultBuilder]: At program point L368-1(lines 368 375) the Hoare annotation is: true [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L137(lines 137 143) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2021-10-13 07:40:47,230 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2021-10-13 07:40:47,230 INFO L857 garLoopResultBuilder]: For program point L451-3(lines 451 455) no Hoare annotation was computed. [2021-10-13 07:40:47,230 INFO L857 garLoopResultBuilder]: For program point L451-6(lines 451 455) no Hoare annotation was computed. [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L270(lines 255 273) the Hoare annotation is: false [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L270-1(lines 255 273) the Hoare annotation is: false [2021-10-13 07:40:47,230 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 255 273) the Hoare annotation is: false [2021-10-13 07:40:47,231 INFO L853 garLoopResultBuilder]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-13 07:40:47,231 INFO L853 garLoopResultBuilder]: At program point L520(lines 515 523) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,231 INFO L853 garLoopResultBuilder]: At program point L520-1(lines 515 523) the Hoare annotation is: false [2021-10-13 07:40:47,231 INFO L853 garLoopResultBuilder]: At program point L520-2(lines 515 523) the Hoare annotation is: false [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point L538(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point L538-1(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,231 INFO L857 garLoopResultBuilder]: For program point L538-2(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,232 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,232 INFO L853 garLoopResultBuilder]: At program point L440(lines 435 443) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,232 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-13 07:40:47,232 INFO L853 garLoopResultBuilder]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,232 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:40:47,232 INFO L853 garLoopResultBuilder]: At program point L342(lines 338 344) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,232 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 405) no Hoare annotation was computed. [2021-10-13 07:40:47,232 INFO L853 garLoopResultBuilder]: At program point L392-1(lines 1 907) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,233 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 405) no Hoare annotation was computed. [2021-10-13 07:40:47,233 INFO L853 garLoopResultBuilder]: At program point L392-3(lines 1 907) the Hoare annotation is: false [2021-10-13 07:40:47,233 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 405) no Hoare annotation was computed. [2021-10-13 07:40:47,233 INFO L853 garLoopResultBuilder]: At program point L392-5(lines 1 907) the Hoare annotation is: false [2021-10-13 07:40:47,233 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-13 07:40:47,233 INFO L853 garLoopResultBuilder]: At program point L95-2(lines 130 136) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,233 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-13 07:40:47,233 INFO L853 garLoopResultBuilder]: At program point L294-2(lines 294 308) the Hoare annotation is: false [2021-10-13 07:40:47,235 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 179) no Hoare annotation was computed. [2021-10-13 07:40:47,236 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2021-10-13 07:40:47,236 INFO L857 garLoopResultBuilder]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2021-10-13 07:40:47,236 INFO L860 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2021-10-13 07:40:47,236 INFO L857 garLoopResultBuilder]: For program point L295(line 295) no Hoare annotation was computed. [2021-10-13 07:40:47,236 INFO L853 garLoopResultBuilder]: At program point L130(lines 129 148) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,237 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2021-10-13 07:40:47,238 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2021-10-13 07:40:47,238 INFO L853 garLoopResultBuilder]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2021-10-13 07:40:47,238 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:40:47,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2021-10-13 07:40:47,238 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-10-13 07:40:47,238 INFO L857 garLoopResultBuilder]: For program point L396-2(lines 396 402) no Hoare annotation was computed. [2021-10-13 07:40:47,239 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,239 INFO L857 garLoopResultBuilder]: For program point L396-4(lines 396 402) no Hoare annotation was computed. [2021-10-13 07:40:47,240 INFO L857 garLoopResultBuilder]: For program point L264-2(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,240 INFO L857 garLoopResultBuilder]: For program point L264-3(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,240 INFO L857 garLoopResultBuilder]: For program point L264-5(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,240 INFO L857 garLoopResultBuilder]: For program point L264-6(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,240 INFO L857 garLoopResultBuilder]: For program point L264-8(lines 264 268) no Hoare annotation was computed. [2021-10-13 07:40:47,241 INFO L853 garLoopResultBuilder]: At program point L215(lines 210 218) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,241 INFO L853 garLoopResultBuilder]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2021-10-13 07:40:47,241 INFO L853 garLoopResultBuilder]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2021-10-13 07:40:47,241 INFO L853 garLoopResultBuilder]: At program point L529(lines 524 532) the Hoare annotation is: false [2021-10-13 07:40:47,241 INFO L853 garLoopResultBuilder]: At program point L529-1(lines 524 532) the Hoare annotation is: false [2021-10-13 07:40:47,242 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-10-13 07:40:47,242 INFO L853 garLoopResultBuilder]: At program point L529-2(lines 524 532) the Hoare annotation is: false [2021-10-13 07:40:47,242 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 302) no Hoare annotation was computed. [2021-10-13 07:40:47,242 INFO L857 garLoopResultBuilder]: For program point L298-1(lines 130 136) no Hoare annotation was computed. [2021-10-13 07:40:47,242 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 174) no Hoare annotation was computed. [2021-10-13 07:40:47,243 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2021-10-13 07:40:47,244 INFO L857 garLoopResultBuilder]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2021-10-13 07:40:47,244 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-13 07:40:47,244 INFO L853 garLoopResultBuilder]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:40:47,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:40:47,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:40:47 BoogieIcfgContainer [2021-10-13 07:40:47,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:40:47,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:40:47,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:40:47,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:40:47,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:40:39" (3/4) ... [2021-10-13 07:40:47,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:40:47,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:40:47,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:40:47,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:40:47,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:40:47,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:40:47,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:40:47,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:40:47,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:40:47,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:40:47,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:40:47,374 INFO L168 Benchmark]: Toolchain (without parser) took 10580.61 ms. Allocated memory was 67.1 MB in the beginning and 109.1 MB in the end (delta: 41.9 MB). Free memory was 46.8 MB in the beginning and 36.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,375 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:40:47,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.99 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 38.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.03 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 35.3 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:40:47,376 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.3 MB in the beginning and 33.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,376 INFO L168 Benchmark]: RCFGBuilder took 2438.16 ms. Allocated memory was 67.1 MB in the beginning and 109.1 MB in the end (delta: 41.9 MB). Free memory was 33.1 MB in the beginning and 75.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,377 INFO L168 Benchmark]: TraceAbstraction took 7320.08 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 42.4 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,377 INFO L168 Benchmark]: Witness Printer took 100.58 ms. Allocated memory is still 109.1 MB. Free memory was 42.4 MB in the beginning and 36.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:40:47,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.99 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 38.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.03 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 35.3 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.3 MB in the beginning and 33.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2438.16 ms. Allocated memory was 67.1 MB in the beginning and 109.1 MB in the end (delta: 41.9 MB). Free memory was 33.1 MB in the beginning and 75.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7320.08 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 42.4 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 100.58 ms. Allocated memory is still 109.1 MB. Free memory was 42.4 MB in the beginning and 36.1 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 538]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 538]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 538]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7239.4ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 28.5ms, AutomataDifference: 1664.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 376.1ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 405 SDtfs, 549 SDslu, 492 SDs, 0 SdLazy, 116 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1292.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 223.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 103.5ms AutomataMinimizationTime, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 267.6ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 100.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 177.5ms SsaConstructionTime, 797.9ms SatisfiabilityAnalysisTime, 1578.6ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-13 07:40:47,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7a964-ec7c-4b43-be3d-4aff3fe7f728/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...