./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8 --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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:51:32,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:51:32,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:51:32,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:51:32,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:51:32,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:51:32,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:51:32,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:51:32,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:51:32,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:51:32,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:51:32,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:51:32,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:51:32,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:51:32,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:51:32,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:51:32,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:51:32,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:51:32,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:51:32,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:51:32,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:51:32,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:51:32,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:51:32,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:51:32,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:51:32,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:51:32,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:51:32,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:51:32,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:51:32,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:51:32,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:51:32,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:51:32,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:51:32,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:51:32,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:51:32,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:51:32,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:51:32,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:51:32,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:51:32,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:51:32,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:51:32,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:51:32,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:51:32,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:51:32,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:51:32,635 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:51:32,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:51:32,636 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:51:32,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:51:32,637 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:51:32,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:51:32,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:51:32,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:51:32,638 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:51:32,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:51:32,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:51:32,638 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:51:32,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:51:32,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:51:32,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:51:32,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:51:32,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:51:32,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:51:32,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:51:32,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:51:32,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:51:32,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:51:32,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:51:32,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:51:32,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:51:32,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:51:32,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:51:32,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:32,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:51:32,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:51:32,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:51:32,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:51:32,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:51:32,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:51:32,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:51:32,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:51:32,669 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_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2021-11-07 01:51:32,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:51:33,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:51:33,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:51:33,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:51:33,015 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:51:33,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-07 01:51:33,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4cbdd0a46/3b74b8a66292419a901c4a663f3a590f/FLAG9d56752ac [2021-11-07 01:51:33,730 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:51:33,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-07 01:51:33,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4cbdd0a46/3b74b8a66292419a901c4a663f3a590f/FLAG9d56752ac [2021-11-07 01:51:34,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4cbdd0a46/3b74b8a66292419a901c4a663f3a590f [2021-11-07 01:51:34,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:51:34,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:51:34,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:34,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:51:34,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:51:34,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:34" (1/1) ... [2021-11-07 01:51:34,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f632a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:34, skipping insertion in model container [2021-11-07 01:51:34,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:34" (1/1) ... [2021-11-07 01:51:34,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:51:34,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:34,310 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_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-07 01:51:34,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:34,494 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) [2021-11-07 01:51:34,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73499ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:34, skipping insertion in model container [2021-11-07 01:51:34,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:34,499 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:51:34,502 INFO L168 Benchmark]: Toolchain (without parser) took 441.45 ms. Allocated memory is still 100.7 MB. Free memory was 70.6 MB in the beginning and 56.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:34,503 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:34,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.00 ms. Allocated memory is still 100.7 MB. Free memory was 70.5 MB in the beginning and 56.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:34,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.00 ms. Allocated memory is still 100.7 MB. Free memory was 70.5 MB in the beginning and 56.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 628]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8 --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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:51:37,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:51:37,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:51:37,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:51:37,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:51:37,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:51:37,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:51:37,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:51:37,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:51:37,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:51:37,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:51:37,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:51:37,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:51:37,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:51:37,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:51:37,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:51:37,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:51:37,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:51:37,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:51:37,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:51:37,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:51:37,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:51:37,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:51:37,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:51:37,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:51:37,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:51:37,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:51:37,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:51:37,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:51:37,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:51:37,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:51:37,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:51:37,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:51:37,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:51:37,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:51:37,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:51:37,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:51:37,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:51:37,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:51:37,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:51:37,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:51:37,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:51:37,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:51:37,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:51:37,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:51:37,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:51:37,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:51:37,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:51:37,250 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:51:37,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:51:37,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:51:37,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:51:37,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:51:37,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:51:37,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:51:37,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:51:37,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:51:37,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:51:37,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:51:37,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:51:37,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:51:37,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:51:37,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:51:37,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:51:37,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:51:37,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:51:37,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:51:37,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:51:37,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:37,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:51:37,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:51:37,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:51:37,260 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:51:37,261 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:37,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:51:37,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:51:37,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:51:37,262 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_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2021-11-07 01:51:37,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:51:37,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:51:37,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:51:37,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:51:37,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:51:37,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-07 01:51:37,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4608fee37/50494608841f4da4b8918d01ba0ef0f2/FLAG74030ea79 [2021-11-07 01:51:38,624 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:51:38,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-07 01:51:38,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4608fee37/50494608841f4da4b8918d01ba0ef0f2/FLAG74030ea79 [2021-11-07 01:51:38,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/data/4608fee37/50494608841f4da4b8918d01ba0ef0f2 [2021-11-07 01:51:38,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:51:38,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:51:38,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:38,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:51:38,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:51:38,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:38" (1/1) ... [2021-11-07 01:51:38,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e376fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:38, skipping insertion in model container [2021-11-07 01:51:38,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:38" (1/1) ... [2021-11-07 01:51:38,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:51:39,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:39,269 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_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-07 01:51:39,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:39,518 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:51:39,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:39,531 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_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-07 01:51:39,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:39,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:51:39,629 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_80e6790c-d180-4f5d-b961-35df25383692/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-07 01:51:39,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:39,743 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:51:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39 WrapperNode [2021-11-07 01:51:39,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:39,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:39,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:51:39,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:51:39,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:39,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:51:39,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:51:39,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:51:39,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:51:39,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:51:39,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:51:39,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:51:39,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (1/1) ... [2021-11-07 01:51:39,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:39,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:51:39,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:51:39,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:51:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:51:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:51:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:51:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:51:42,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:51:42,752 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-07 01:51:42,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:42 BoogieIcfgContainer [2021-11-07 01:51:42,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:51:42,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:51:42,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:51:42,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:51:42,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:51:38" (1/3) ... [2021-11-07 01:51:42,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d99b05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:42, skipping insertion in model container [2021-11-07 01:51:42,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:39" (2/3) ... [2021-11-07 01:51:42,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d99b05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:42, skipping insertion in model container [2021-11-07 01:51:42,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:42" (3/3) ... [2021-11-07 01:51:42,764 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2021-11-07 01:51:42,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:51:42,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:51:42,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:51:42,835 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 [2021-11-07 01:51:42,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:51:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-11-07 01:51:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:51:42,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:42,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:42,875 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:42,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-11-07 01:51:42,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:42,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920001676] [2021-11-07 01:51:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:42,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:42,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:42,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:51:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:43,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:51:43,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:43,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:43,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:43,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920001676] [2021-11-07 01:51:43,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920001676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:43,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:43,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:51:43,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734980223] [2021-11-07 01:51:43,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:51:43,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:51:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:51:43,407 INFO L87 Difference]: Start difference. First operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-07 01:51:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:43,457 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-11-07 01:51:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:51:43,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-11-07 01:51:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:43,473 INFO L225 Difference]: With dead ends: 155 [2021-11-07 01:51:43,474 INFO L226 Difference]: Without dead ends: 77 [2021-11-07 01:51:43,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:51:43,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-07 01:51:43,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-11-07 01:51:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 74 states have (on average 1.472972972972973) internal successors, (109), 76 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-11-07 01:51:43,524 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-11-07 01:51:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:43,525 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-11-07 01:51:43,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-07 01:51:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-11-07 01:51:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:51:43,527 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:43,527 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:43,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:43,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:43,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:43,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-11-07 01:51:43,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:43,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473644546] [2021-11-07 01:51:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:43,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:43,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:43,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:43,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:51:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:44,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:44,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:44,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:44,217 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:44,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473644546] [2021-11-07 01:51:44,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473644546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:44,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:44,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:44,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747268239] [2021-11-07 01:51:44,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:44,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:44,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:44,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:44,227 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-07 01:51:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:44,265 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-11-07 01:51:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-11-07 01:51:44,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:44,269 INFO L225 Difference]: With dead ends: 77 [2021-11-07 01:51:44,269 INFO L226 Difference]: Without dead ends: 37 [2021-11-07 01:51:44,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:44,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-07 01:51:44,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-07 01:51:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 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) [2021-11-07 01:51:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-11-07 01:51:44,277 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-11-07 01:51:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:44,278 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-11-07 01:51:44,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-07 01:51:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-11-07 01:51:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:51:44,283 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:44,291 INFO L513 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] [2021-11-07 01:51:44,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:51:44,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:44,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:44,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:44,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-11-07 01:51:44,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:44,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709612925] [2021-11-07 01:51:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:44,509 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:44,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:44,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:44,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:51:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:44,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:44,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:44,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:44,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:44,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709612925] [2021-11-07 01:51:44,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709612925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:44,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:44,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:44,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732562588] [2021-11-07 01:51:44,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:44,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:44,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:44,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:44,993 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2021-11-07 01:51:45,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:45,070 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2021-11-07 01:51:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:51:45,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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 24 [2021-11-07 01:51:45,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:45,078 INFO L225 Difference]: With dead ends: 121 [2021-11-07 01:51:45,078 INFO L226 Difference]: Without dead ends: 91 [2021-11-07 01:51:45,079 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:45,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-07 01:51:45,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2021-11-07 01:51:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 56 states have internal predecessors, (83), 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) [2021-11-07 01:51:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2021-11-07 01:51:45,100 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2021-11-07 01:51:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:45,101 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2021-11-07 01:51:45,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2021-11-07 01:51:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-07 01:51:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:51:45,103 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:45,103 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:45,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:45,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:45,326 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:45,327 INFO L85 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-11-07 01:51:45,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:45,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808981241] [2021-11-07 01:51:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:45,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:45,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:51:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:45,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:45,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:45,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:45,802 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:45,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808981241] [2021-11-07 01:51:45,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808981241] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:45,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:45,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:51:45,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447667522] [2021-11-07 01:51:45,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:51:45,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:45,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:51:45,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:51:45,807 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:51:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:45,932 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2021-11-07 01:51:45,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:51:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-11-07 01:51:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:45,937 INFO L225 Difference]: With dead ends: 261 [2021-11-07 01:51:45,938 INFO L226 Difference]: Without dead ends: 211 [2021-11-07 01:51:45,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:51:45,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-11-07 01:51:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2021-11-07 01:51:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.469387755102041) internal successors, (144), 98 states have internal predecessors, (144), 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) [2021-11-07 01:51:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2021-11-07 01:51:45,976 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2021-11-07 01:51:45,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:45,977 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2021-11-07 01:51:45,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:51:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2021-11-07 01:51:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:51:45,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:45,987 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:46,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:46,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:46,202 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:46,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:46,202 INFO L85 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-11-07 01:51:46,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:46,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263355221] [2021-11-07 01:51:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:46,203 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:46,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:46,204 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:46,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:51:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:46,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:46,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:46,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:46,650 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:46,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263355221] [2021-11-07 01:51:46,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263355221] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:46,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:46,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:51:46,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060341622] [2021-11-07 01:51:46,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:51:46,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:51:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:51:46,653 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-07 01:51:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:46,794 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2021-11-07 01:51:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:51:46,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-11-07 01:51:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:46,797 INFO L225 Difference]: With dead ends: 289 [2021-11-07 01:51:46,797 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:51:46,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:51:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:51:46,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:51:46,800 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) [2021-11-07 01:51:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:51:46,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-07 01:51:46,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:46,801 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:51:46,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-07 01:51:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:51:46,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:51:46,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:46,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:46,806 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:46,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:47,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:47,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:51:47,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:47,537 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 498) no Hoare annotation was computed. [2021-11-07 01:51:47,538 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 1 964) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,538 INFO L853 garLoopResultBuilder]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2021-11-07 01:51:47,538 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2021-11-07 01:51:47,538 INFO L857 garLoopResultBuilder]: For program point L481-2(lines 481 498) no Hoare annotation was computed. [2021-11-07 01:51:47,539 INFO L853 garLoopResultBuilder]: At program point L415-1(lines 415 421) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,539 INFO L853 garLoopResultBuilder]: At program point L481-3(lines 1 964) the Hoare annotation is: false [2021-11-07 01:51:47,539 INFO L857 garLoopResultBuilder]: For program point L481-4(lines 481 498) no Hoare annotation was computed. [2021-11-07 01:51:47,540 INFO L853 garLoopResultBuilder]: At program point L481-5(lines 1 964) the Hoare annotation is: false [2021-11-07 01:51:47,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,541 INFO L853 garLoopResultBuilder]: At program point L366(lines 351 369) the Hoare annotation is: false [2021-11-07 01:51:47,541 INFO L853 garLoopResultBuilder]: At program point L366-1(lines 351 369) the Hoare annotation is: false [2021-11-07 01:51:47,541 INFO L853 garLoopResultBuilder]: At program point L366-2(lines 351 369) the Hoare annotation is: false [2021-11-07 01:51:47,542 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-07 01:51:47,542 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:51:47,542 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 450) no Hoare annotation was computed. [2021-11-07 01:51:47,542 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-11-07 01:51:47,543 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 495) no Hoare annotation was computed. [2021-11-07 01:51:47,544 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 208 214) no Hoare annotation was computed. [2021-11-07 01:51:47,544 INFO L857 garLoopResultBuilder]: For program point L485-2(lines 485 495) no Hoare annotation was computed. [2021-11-07 01:51:47,544 INFO L857 garLoopResultBuilder]: For program point L485-4(lines 485 495) no Hoare annotation was computed. [2021-11-07 01:51:47,544 INFO L853 garLoopResultBuilder]: At program point L188(lines 183 191) the Hoare annotation is: false [2021-11-07 01:51:47,545 INFO L853 garLoopResultBuilder]: At program point L188-1(lines 183 191) the Hoare annotation is: false [2021-11-07 01:51:47,545 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 126) no Hoare annotation was computed. [2021-11-07 01:51:47,545 INFO L853 garLoopResultBuilder]: At program point L188-2(lines 183 191) the Hoare annotation is: false [2021-11-07 01:51:47,546 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 492) no Hoare annotation was computed. [2021-11-07 01:51:47,548 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 492) no Hoare annotation was computed. [2021-11-07 01:51:47,548 INFO L857 garLoopResultBuilder]: For program point L486-4(lines 486 492) no Hoare annotation was computed. [2021-11-07 01:51:47,548 INFO L853 garLoopResultBuilder]: At program point L470(lines 465 472) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,549 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 593) no Hoare annotation was computed. [2021-11-07 01:51:47,549 INFO L860 garLoopResultBuilder]: At program point L586-1(lines 586 593) the Hoare annotation is: true [2021-11-07 01:51:47,549 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:51:47,549 INFO L857 garLoopResultBuilder]: For program point L240(lines 240 257) no Hoare annotation was computed. [2021-11-07 01:51:47,550 INFO L857 garLoopResultBuilder]: For program point L240-1(lines 240 257) no Hoare annotation was computed. [2021-11-07 01:51:47,550 INFO L857 garLoopResultBuilder]: For program point L240-2(lines 240 257) no Hoare annotation was computed. [2021-11-07 01:51:47,550 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 964) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,551 INFO L853 garLoopResultBuilder]: At program point L455(lines 404 456) the Hoare annotation is: false [2021-11-07 01:51:47,552 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,552 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,552 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,552 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,553 INFO L857 garLoopResultBuilder]: For program point L406(lines 405 454) no Hoare annotation was computed. [2021-11-07 01:51:47,555 INFO L853 garLoopResultBuilder]: At program point L208(lines 207 226) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,555 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2021-11-07 01:51:47,555 INFO L853 garLoopResultBuilder]: At program point L208-2(lines 207 226) the Hoare annotation is: false [2021-11-07 01:51:47,556 INFO L853 garLoopResultBuilder]: At program point L208-3(lines 207 226) the Hoare annotation is: false [2021-11-07 01:51:47,556 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2021-11-07 01:51:47,556 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 380) no Hoare annotation was computed. [2021-11-07 01:51:47,556 INFO L853 garLoopResultBuilder]: At program point L374-1(lines 374 380) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,557 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-11-07 01:51:47,558 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2021-11-07 01:51:47,562 INFO L857 garLoopResultBuilder]: For program point L110-6(lines 110 114) no Hoare annotation was computed. [2021-11-07 01:51:47,565 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:51:47,566 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 431) no Hoare annotation was computed. [2021-11-07 01:51:47,566 INFO L853 garLoopResultBuilder]: At program point L425-1(lines 425 431) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,566 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 252) no Hoare annotation was computed. [2021-11-07 01:51:47,567 INFO L857 garLoopResultBuilder]: For program point L244-1(lines 244 252) no Hoare annotation was computed. [2021-11-07 01:51:47,568 INFO L857 garLoopResultBuilder]: For program point L244-2(lines 244 252) no Hoare annotation was computed. [2021-11-07 01:51:47,568 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,568 INFO L857 garLoopResultBuilder]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,568 INFO L857 garLoopResultBuilder]: For program point L360-3(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,569 INFO L857 garLoopResultBuilder]: For program point L360-5(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,570 INFO L857 garLoopResultBuilder]: For program point L360-6(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,570 INFO L857 garLoopResultBuilder]: For program point L360-8(lines 360 364) no Hoare annotation was computed. [2021-11-07 01:51:47,571 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 449) no Hoare annotation was computed. [2021-11-07 01:51:47,573 INFO L853 garLoopResultBuilder]: At program point L443-1(lines 208 214) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,573 INFO L853 garLoopResultBuilder]: At program point L311(lines 306 314) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,574 INFO L853 garLoopResultBuilder]: At program point L311-1(lines 306 314) the Hoare annotation is: false [2021-11-07 01:51:47,574 INFO L853 garLoopResultBuilder]: At program point L311-2(lines 306 314) the Hoare annotation is: false [2021-11-07 01:51:47,575 INFO L853 garLoopResultBuilder]: At program point L147(lines 142 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,575 INFO L853 garLoopResultBuilder]: At program point L147-1(lines 142 150) the Hoare annotation is: false [2021-11-07 01:51:47,576 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 142 150) the Hoare annotation is: false [2021-11-07 01:51:47,577 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:51:47,577 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:51:47,577 INFO L853 garLoopResultBuilder]: At program point L215(lines 215 221) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,578 INFO L853 garLoopResultBuilder]: At program point L215-1(lines 215 221) the Hoare annotation is: false [2021-11-07 01:51:47,578 INFO L853 garLoopResultBuilder]: At program point L215-2(lines 215 221) the Hoare annotation is: false [2021-11-07 01:51:47,578 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,578 INFO L860 garLoopResultBuilder]: At program point L595(lines 576 598) the Hoare annotation is: true [2021-11-07 01:51:47,579 INFO L853 garLoopResultBuilder]: At program point L562(lines 558 564) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:47,579 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-11-07 01:51:47,585 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:51:47,587 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:51:47,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:51:47 BoogieIcfgContainer [2021-11-07 01:51:47,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:51:47,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:51:47,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:51:47,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:51:47,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:42" (3/4) ... [2021-11-07 01:51:47,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:51:47,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:51:47,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:51:47,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:51:47,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:51:47,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:51:47,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:51:47,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:51:47,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:51:47,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:51:47,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:51:47,750 INFO L168 Benchmark]: Toolchain (without parser) took 8789.47 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 53.4 MB in the beginning and 76.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,751 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:47,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.36 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 40.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.07 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 37.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,752 INFO L168 Benchmark]: Boogie Preprocessor took 78.56 ms. Allocated memory is still 71.3 MB. Free memory was 37.6 MB in the beginning and 35.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,753 INFO L168 Benchmark]: RCFGBuilder took 2831.47 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 35.5 MB in the beginning and 69.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,754 INFO L168 Benchmark]: TraceAbstraction took 4847.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 68.5 MB in the beginning and 84.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,754 INFO L168 Benchmark]: Witness Printer took 143.35 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 76.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:47,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.36 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 40.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.07 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 37.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.56 ms. Allocated memory is still 71.3 MB. Free memory was 37.6 MB in the beginning and 35.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2831.47 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 35.5 MB in the beginning and 69.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4847.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 68.5 MB in the beginning and 84.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. * Witness Printer took 143.35 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 76.9 MB in the end (delta: 7.2 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: 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, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 389 SDslu, 439 SDs, 0 SdLazy, 52 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:51:47,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e6790c-d180-4f5d-b961-35df25383692/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE