./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 ............................................................................................................................................ 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_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:41:06,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:41:06,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:41:06,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:41:06,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:41:06,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:41:06,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:41:06,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:41:06,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:41:06,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:41:06,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:41:06,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:41:06,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:41:06,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:41:06,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:41:06,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:41:06,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:41:06,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:41:06,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:41:06,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:41:06,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:41:06,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:41:06,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:41:06,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:41:06,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:41:06,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:41:06,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:41:06,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:41:06,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:41:06,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:41:06,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:41:06,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:41:06,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:41:06,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:41:06,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:41:06,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:41:06,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:41:06,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:41:06,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:41:06,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:41:06,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:41:06,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:41:06,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:41:06,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:41:06,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:41:06,482 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:41:06,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:41:06,482 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:41:06,482 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:41:06,483 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:41:06,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:41:06,483 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:41:06,484 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:41:06,484 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:41:06,485 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:41:06,485 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:41:06,485 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:41:06,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:41:06,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:41:06,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:41:06,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:41:06,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:41:06,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:41:06,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:41:06,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:41:06,488 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:41:06,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:41:06,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:41:06,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:41:06,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:41:06,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:41:06,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:41:06,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:41:06,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:41:06,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:41:06,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:41:06,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:41:06,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:41:06,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:41:06,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:41:06,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:41:06,492 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_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2021-10-20 05:41:06,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:41:06,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:41:06,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:41:06,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:41:06,860 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:41:06,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-20 05:41:06,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0ebc5e013/8bbad3d9a1244c7eb402b64c7a169a19/FLAGfada4a041 [2021-10-20 05:41:07,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:41:07,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-20 05:41:07,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0ebc5e013/8bbad3d9a1244c7eb402b64c7a169a19/FLAGfada4a041 [2021-10-20 05:41:07,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0ebc5e013/8bbad3d9a1244c7eb402b64c7a169a19 [2021-10-20 05:41:07,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:41:07,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:41:07,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:41:07,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:41:07,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:41:07,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:41:07" (1/1) ... [2021-10-20 05:41:07,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa12c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:07, skipping insertion in model container [2021-10-20 05:41:07,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:41:07" (1/1) ... [2021-10-20 05:41:07,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:41:07,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:41:08,281 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_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-20 05:41:08,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:41:08,295 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) [2021-10-20 05:41:08,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2429c11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:08, skipping insertion in model container [2021-10-20 05:41:08,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:41:08,296 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:41:08,298 INFO L168 Benchmark]: Toolchain (without parser) took 430.99 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 74.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:08,299 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 56.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:41:08,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.48 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 74.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:08,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 56.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.48 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 74.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 505]: 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-e943c26 [2021-10-20 05:41:10,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:41:10,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:41:10,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:41:10,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:41:10,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:41:10,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:41:10,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:41:10,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:41:10,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:41:10,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:41:10,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:41:10,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:41:10,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:41:10,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:41:10,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:41:10,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:41:10,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:41:10,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:41:10,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:41:10,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:41:10,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:41:10,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:41:10,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:41:10,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:41:10,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:41:10,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:41:10,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:41:10,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:41:10,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:41:10,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:41:10,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:41:10,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:41:10,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:41:10,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:41:10,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:41:10,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:41:10,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:41:10,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:41:10,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:41:10,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:41:10,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:41:10,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:41:10,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:41:10,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:41:10,841 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:41:10,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:41:10,842 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:41:10,842 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:41:10,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:41:10,843 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:41:10,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:41:10,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:41:10,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:41:10,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:41:10,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:41:10,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:41:10,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:41:10,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:41:10,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:41:10,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:41:10,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:41:10,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:41:10,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:41:10,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:41:10,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:41:10,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:41:10,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:41:10,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:41:10,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:41:10,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:41:10,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:41:10,851 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:41:10,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:41:10,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:41:10,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:41:10,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:41:10,852 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_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2021-10-20 05:41:11,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:41:11,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:41:11,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:41:11,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:41:11,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:41:11,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-20 05:41:11,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0f8bf37aa/7cc066197a144d42bbfc44283006585b/FLAGc9450aeb6 [2021-10-20 05:41:12,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:41:12,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-20 05:41:12,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0f8bf37aa/7cc066197a144d42bbfc44283006585b/FLAGc9450aeb6 [2021-10-20 05:41:12,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/data/0f8bf37aa/7cc066197a144d42bbfc44283006585b [2021-10-20 05:41:12,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:41:12,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:41:12,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:41:12,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:41:12,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:41:12,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:41:12" (1/1) ... [2021-10-20 05:41:12,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0fbd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:12, skipping insertion in model container [2021-10-20 05:41:12,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:41:12" (1/1) ... [2021-10-20 05:41:12,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:41:12,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:41:12,747 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_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-20 05:41:12,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:41:12,763 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:41:12,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:41:12,857 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_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-20 05:41:12,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:41:12,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:41:12,986 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_037799be-d72d-46f5-b6f9-34d759b700a3/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-10-20 05:41:12,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:41:13,028 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:41:13,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13 WrapperNode [2021-10-20 05:41:13,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:41:13,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:41:13,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:41:13,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:41:13,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:41:13,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:41:13,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:41:13,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:41:13,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:41:13,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:41:13,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:41:13,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:41:13,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (1/1) ... [2021-10-20 05:41:13,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:41:13,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:41:13,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:41:13,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:41:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:41:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:41:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:41:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:41:15,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:41:15,639 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-20 05:41:15,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:41:15 BoogieIcfgContainer [2021-10-20 05:41:15,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:41:15,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:41:15,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:41:15,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:41:15,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:41:12" (1/3) ... [2021-10-20 05:41:15,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29843d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:41:15, skipping insertion in model container [2021-10-20 05:41:15,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:41:13" (2/3) ... [2021-10-20 05:41:15,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29843d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:41:15, skipping insertion in model container [2021-10-20 05:41:15,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:41:15" (3/3) ... [2021-10-20 05:41:15,650 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2021-10-20 05:41:15,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:41:15,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:41:15,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:41:15,732 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:41:15,732 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:41:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 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) [2021-10-20 05:41:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 05:41:15,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:15,774 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:41:15,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:15,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:15,781 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-20 05:41:15,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:15,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983650652] [2021-10-20 05:41:15,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:15,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:15,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:15,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:15,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:41:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:16,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:41:16,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:16,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:16,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:16,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983650652] [2021-10-20 05:41:16,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983650652] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:16,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:16,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:41:16,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794795622] [2021-10-20 05:41:16,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:41:16,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:16,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:41:16,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:41:16,263 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 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) [2021-10-20 05:41:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:16,303 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-20 05:41:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:41:16,304 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 [2021-10-20 05:41:16,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:16,316 INFO L225 Difference]: With dead ends: 132 [2021-10-20 05:41:16,316 INFO L226 Difference]: Without dead ends: 65 [2021-10-20 05:41:16,320 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 [2021-10-20 05:41:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-20 05:41:16,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-20 05:41:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-10-20 05:41:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-20 05:41:16,368 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-20 05:41:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:16,369 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-20 05:41:16,369 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) [2021-10-20 05:41:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-20 05:41:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 05:41:16,372 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:16,372 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:41:16,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:16,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:16,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:16,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-20 05:41:16,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:16,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614183085] [2021-10-20 05:41:16,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:16,605 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:16,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:16,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:41:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:16,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:41:16,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:16,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:16,989 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:16,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614183085] [2021-10-20 05:41:16,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614183085] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:16,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:16,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:41:16,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727979360] [2021-10-20 05:41:16,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:41:16,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:16,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:41:16,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:41:16,997 INFO L87 Difference]: Start difference. First operand 65 states and 90 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) [2021-10-20 05:41:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:17,024 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-20 05:41:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:41:17,025 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 [2021-10-20 05:41:17,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:17,028 INFO L225 Difference]: With dead ends: 65 [2021-10-20 05:41:17,028 INFO L226 Difference]: Without dead ends: 31 [2021-10-20 05:41:17,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:41:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-20 05:41:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-20 05:41:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 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) [2021-10-20 05:41:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-20 05:41:17,044 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-20 05:41:17,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:17,044 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-20 05:41:17,045 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) [2021-10-20 05:41:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-20 05:41:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 05:41:17,046 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:17,050 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] [2021-10-20 05:41:17,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-20 05:41:17,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:17,264 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:17,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:17,265 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-20 05:41:17,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:17,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306968413] [2021-10-20 05:41:17,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:17,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:17,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:17,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:17,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:41:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:17,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:41:17,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:17,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:17,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:17,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306968413] [2021-10-20 05:41:17,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306968413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:17,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:17,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:41:17,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275426721] [2021-10-20 05:41:17,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:41:17,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:17,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:41:17,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:41:17,602 INFO L87 Difference]: Start difference. First operand 31 states and 43 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) [2021-10-20 05:41:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:17,633 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-20 05:41:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:41:17,634 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 [2021-10-20 05:41:17,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:17,634 INFO L225 Difference]: With dead ends: 56 [2021-10-20 05:41:17,634 INFO L226 Difference]: Without dead ends: 31 [2021-10-20 05:41:17,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:41:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-20 05:41:17,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-20 05:41:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-10-20 05:41:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-20 05:41:17,640 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-20 05:41:17,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:17,640 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-20 05:41:17,640 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) [2021-10-20 05:41:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-20 05:41:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 05:41:17,642 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:17,642 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] [2021-10-20 05:41:17,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-20 05:41:17,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:17,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-20 05:41:17,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:17,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705342657] [2021-10-20 05:41:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:17,856 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:17,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:17,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:41:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:18,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:41:18,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:18,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:18,289 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:18,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705342657] [2021-10-20 05:41:18,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705342657] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:18,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:18,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 05:41:18,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267920091] [2021-10-20 05:41:18,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:41:18,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:41:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:41:18,292 INFO L87 Difference]: Start difference. First operand 31 states and 42 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) [2021-10-20 05:41:18,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:18,507 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2021-10-20 05:41:18,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-20 05:41:18,508 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 [2021-10-20 05:41:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:18,510 INFO L225 Difference]: With dead ends: 198 [2021-10-20 05:41:18,510 INFO L226 Difference]: Without dead ends: 173 [2021-10-20 05:41:18,511 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 132.4ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-20 05:41:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-20 05:41:18,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2021-10-20 05:41:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 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) [2021-10-20 05:41:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2021-10-20 05:41:18,527 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2021-10-20 05:41:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:18,528 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2021-10-20 05:41:18,528 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) [2021-10-20 05:41:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-20 05:41:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:41:18,529 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:18,529 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] [2021-10-20 05:41:18,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:18,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:18,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:18,742 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2021-10-20 05:41:18,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:18,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866835492] [2021-10-20 05:41:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:18,743 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:18,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:18,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:18,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:41:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:18,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:41:18,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:19,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:19,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:19,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866835492] [2021-10-20 05:41:19,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866835492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:19,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:19,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 05:41:19,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924249346] [2021-10-20 05:41:19,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:41:19,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:19,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:41:19,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:41:19,092 INFO L87 Difference]: Start difference. First operand 72 states and 100 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) [2021-10-20 05:41:20,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:20,332 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2021-10-20 05:41:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:41:20,333 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 [2021-10-20 05:41:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:20,334 INFO L225 Difference]: With dead ends: 190 [2021-10-20 05:41:20,334 INFO L226 Difference]: Without dead ends: 124 [2021-10-20 05:41:20,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:41:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-20 05:41:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2021-10-20 05:41:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 121 states have internal predecessors, (168), 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) [2021-10-20 05:41:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-20 05:41:20,361 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2021-10-20 05:41:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:20,362 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-20 05:41:20,362 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) [2021-10-20 05:41:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-20 05:41:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-20 05:41:20,364 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:20,364 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] [2021-10-20 05:41:20,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:20,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:20,578 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:20,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:20,578 INFO L82 PathProgramCache]: Analyzing trace with hash 972122298, now seen corresponding path program 1 times [2021-10-20 05:41:20,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:20,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017577336] [2021-10-20 05:41:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:20,580 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:20,581 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:20,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 05:41:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:20,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:41:20,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:20,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:21,007 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:21,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017577336] [2021-10-20 05:41:21,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017577336] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:21,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:41:21,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:41:21,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618735149] [2021-10-20 05:41:21,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:41:21,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:21,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:41:21,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:41:21,010 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-20 05:41:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:21,022 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2021-10-20 05:41:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:41:21,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-20 05:41:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:21,024 INFO L225 Difference]: With dead ends: 176 [2021-10-20 05:41:21,024 INFO L226 Difference]: Without dead ends: 60 [2021-10-20 05:41:21,025 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:41:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-20 05:41:21,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-20 05:41:21,032 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) [2021-10-20 05:41:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-20 05:41:21,033 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2021-10-20 05:41:21,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:21,033 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-20 05:41:21,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-20 05:41:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-20 05:41:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-20 05:41:21,035 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:41:21,036 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] [2021-10-20 05:41:21,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:21,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:41:21,249 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:41:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:41:21,249 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2021-10-20 05:41:21,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:41:21,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682986690] [2021-10-20 05:41:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:21,250 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:41:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:41:21,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:41:21,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 05:41:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:21,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:41:21,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:21,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:41:21,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:41:21,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682986690] [2021-10-20 05:41:21,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682986690] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:41:21,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [378482424] [2021-10-20 05:41:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:41:21,874 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:41:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:41:21,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:41:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-20 05:41:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:41:22,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:41:22,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:41:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 05:41:22,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:41:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 05:41:22,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [378482424] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:41:22,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:41:22,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 05:41:22,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053937700] [2021-10-20 05:41:22,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:41:22,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:41:22,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:41:22,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:41:22,445 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) [2021-10-20 05:41:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:41:22,543 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-20 05:41:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:41:22,544 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 [2021-10-20 05:41:22,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:41:22,544 INFO L225 Difference]: With dead ends: 118 [2021-10-20 05:41:22,545 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:41:22,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 92.0ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:41:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:41:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:41:22,546 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) [2021-10-20 05:41:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:41:22,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-20 05:41:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:41:22,547 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:41:22,548 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) [2021-10-20 05:41:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:41:22,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:41:22,551 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:41:22,552 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:41:22,552 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:41:22,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:22,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-20 05:41:22,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 05:41:22,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:41:22,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:41:23,446 INFO L853 garLoopResultBuilder]: At program point L283(lines 283 289) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,447 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2021-10-20 05:41:23,447 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,447 INFO L853 garLoopResultBuilder]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2021-10-20 05:41:23,447 INFO L853 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: false [2021-10-20 05:41:23,447 INFO L853 garLoopResultBuilder]: At program point L201-1(lines 196 204) the Hoare annotation is: false [2021-10-20 05:41:23,447 INFO L853 garLoopResultBuilder]: At program point L201-2(lines 196 204) the Hoare annotation is: false [2021-10-20 05:41:23,448 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:41:23,448 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 463) no Hoare annotation was computed. [2021-10-20 05:41:23,448 INFO L857 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2021-10-20 05:41:23,448 INFO L857 garLoopResultBuilder]: For program point L252-2(lines 252 258) no Hoare annotation was computed. [2021-10-20 05:41:23,448 INFO L857 garLoopResultBuilder]: For program point L252-4(lines 252 258) no Hoare annotation was computed. [2021-10-20 05:41:23,448 INFO L853 garLoopResultBuilder]: At program point L352(lines 345 355) the Hoare annotation is: false [2021-10-20 05:41:23,448 INFO L853 garLoopResultBuilder]: At program point L352-1(lines 345 355) the Hoare annotation is: false [2021-10-20 05:41:23,449 INFO L853 garLoopResultBuilder]: At program point L352-2(lines 345 355) the Hoare annotation is: false [2021-10-20 05:41:23,449 INFO L853 garLoopResultBuilder]: At program point L468(lines 419 469) the Hoare annotation is: false [2021-10-20 05:41:23,449 INFO L853 garLoopResultBuilder]: At program point L865(lines 1 885) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,449 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-10-20 05:41:23,449 INFO L857 garLoopResultBuilder]: For program point L882(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,449 INFO L857 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,449 INFO L857 garLoopResultBuilder]: For program point L882-2(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,450 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-20 05:41:23,450 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-20 05:41:23,450 INFO L857 garLoopResultBuilder]: For program point L421(lines 420 467) no Hoare annotation was computed. [2021-10-20 05:41:23,450 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:41:23,450 INFO L857 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2021-10-20 05:41:23,450 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 180) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:41:23,451 INFO L853 garLoopResultBuilder]: At program point L276(lines 275 294) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,452 INFO L857 garLoopResultBuilder]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2021-10-20 05:41:23,452 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2021-10-20 05:41:23,452 INFO L853 garLoopResultBuilder]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2021-10-20 05:41:23,452 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-20 05:41:23,452 INFO L853 garLoopResultBuilder]: At program point L458-2(lines 276 282) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,452 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-20 05:41:23,453 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-20 05:41:23,453 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,453 INFO L853 garLoopResultBuilder]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,453 INFO L853 garLoopResultBuilder]: At program point L361(lines 356 364) 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)) [2021-10-20 05:41:23,453 INFO L853 garLoopResultBuilder]: At program point L361-1(lines 356 364) the Hoare annotation is: false [2021-10-20 05:41:23,453 INFO L853 garLoopResultBuilder]: At program point L361-2(lines 356 364) the Hoare annotation is: false [2021-10-20 05:41:23,453 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point L164-6(lines 164 168) no Hoare annotation was computed. [2021-10-20 05:41:23,454 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2021-10-20 05:41:23,455 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-20 05:41:23,455 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 276 282) no Hoare annotation was computed. [2021-10-20 05:41:23,455 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 261) no Hoare annotation was computed. [2021-10-20 05:41:23,455 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 1 885) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,455 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 261) no Hoare annotation was computed. [2021-10-20 05:41:23,455 INFO L853 garLoopResultBuilder]: At program point L248-3(lines 1 885) the Hoare annotation is: false [2021-10-20 05:41:23,455 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-20 05:41:23,463 INFO L857 garLoopResultBuilder]: For program point L248-4(lines 248 261) no Hoare annotation was computed. [2021-10-20 05:41:23,463 INFO L853 garLoopResultBuilder]: At program point L248-5(lines 1 885) the Hoare annotation is: false [2021-10-20 05:41:23,464 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-10-20 05:41:23,464 INFO L853 garLoopResultBuilder]: At program point L430-1(lines 430 436) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,464 INFO L853 garLoopResultBuilder]: At program point L233(lines 228 236) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:41:23,465 INFO L853 garLoopResultBuilder]: At program point L233-1(lines 228 236) the Hoare annotation is: false [2021-10-20 05:41:23,465 INFO L853 garLoopResultBuilder]: At program point L233-2(lines 228 236) the Hoare annotation is: false [2021-10-20 05:41:23,470 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:41:23,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:41:23 BoogieIcfgContainer [2021-10-20 05:41:23,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:41:23,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:41:23,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:41:23,512 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:41:23,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:41:15" (3/4) ... [2021-10-20 05:41:23,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:41:23,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:41:23,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:41:23,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:41:23,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:41:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:41:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:41:23,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:41:23,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:41:23,646 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:41:23,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:41:23,649 INFO L168 Benchmark]: Toolchain (without parser) took 11286.22 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 50.7 MB in the beginning and 40.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,649 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:41:23,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.58 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 38.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.61 ms. Allocated memory is still 69.2 MB. Free memory was 38.4 MB in the beginning and 35.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,651 INFO L168 Benchmark]: Boogie Preprocessor took 38.19 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 33.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,651 INFO L168 Benchmark]: RCFGBuilder took 2465.53 ms. Allocated memory is still 100.7 MB. Free memory was 83.8 MB in the beginning and 65.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,652 INFO L168 Benchmark]: TraceAbstraction took 7867.77 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 46.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,652 INFO L168 Benchmark]: Witness Printer took 135.26 ms. Allocated memory is still 121.6 MB. Free memory was 46.8 MB in the beginning and 40.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:41:23,655 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 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 666.58 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 38.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.61 ms. Allocated memory is still 69.2 MB. Free memory was 38.4 MB in the beginning and 35.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.19 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 33.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2465.53 ms. Allocated memory is still 100.7 MB. Free memory was 83.8 MB in the beginning and 65.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7867.77 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 46.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Witness Printer took 135.26 ms. Allocated memory is still 121.6 MB. Free memory was 46.8 MB in the beginning and 40.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 882]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 882]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 882]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7748.5ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 32.2ms, AutomataDifference: 1726.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 485.4ms, InitialAbstractionConstructionTime: 16.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 378 SDtfs, 602 SDslu, 391 SDs, 0 SdLazy, 93 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1345.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 251.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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: 101.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 353.8ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 119.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 194.2ms SsaConstructionTime, 898.4ms SatisfiabilityAnalysisTime, 1721.9ms InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 750 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1618 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: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 05:41:23,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_037799be-d72d-46f5-b6f9-34d759b700a3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...