./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:39:04,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:39:04,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:39:04,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:39:04,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:39:04,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:39:04,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:39:04,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:39:04,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:39:04,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:39:04,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:39:04,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:39:04,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:39:04,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:39:04,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:39:04,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:39:04,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:39:04,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:39:04,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:39:04,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:39:04,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:39:04,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:39:04,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:39:04,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:39:04,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:39:04,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:39:04,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:39:04,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:39:04,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:39:04,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:39:04,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:39:04,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:39:04,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:39:04,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:39:04,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:39:04,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:39:04,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:39:04,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:39:04,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:39:04,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:39:04,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:39:04,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:39:04,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:39:04,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:39:04,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:39:04,665 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:39:04,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:39:04,665 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:39:04,665 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:39:04,666 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:39:04,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:39:04,666 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:39:04,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:39:04,668 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:39:04,668 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:39:04,668 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:39:04,669 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:39:04,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:39:04,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:39:04,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:39:04,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:39:04,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:39:04,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:39:04,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:39:04,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:39:04,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:39:04,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:39:04,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:39:04,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:39:04,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:39:04,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:39:04,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:39:04,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:39:04,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:39:04,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:39:04,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:39:04,677 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:39:04,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:39:04,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:39:04,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:39:04,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:39:04,678 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_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-10-24 10:39:05,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:39:05,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:39:05,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:39:05,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:39:05,054 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:39:05,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-24 10:39:05,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/e6abf6bf7/db5ca2f10c544d919d1b3bd28d88af2b/FLAG4da95dd87 [2021-10-24 10:39:05,614 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:39:05,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-24 10:39:05,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/e6abf6bf7/db5ca2f10c544d919d1b3bd28d88af2b/FLAG4da95dd87 [2021-10-24 10:39:05,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/e6abf6bf7/db5ca2f10c544d919d1b3bd28d88af2b [2021-10-24 10:39:05,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:39:05,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:39:05,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:05,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:39:05,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:39:05,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:05" (1/1) ... [2021-10-24 10:39:05,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625d45d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:05, skipping insertion in model container [2021-10-24 10:39:05,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:05" (1/1) ... [2021-10-24 10:39:05,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:39:06,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:39:06,261 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_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-24 10:39:06,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:39:06,439 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:39:06,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1539152e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:06, skipping insertion in model container [2021-10-24 10:39:06,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:06,440 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:39:06,442 INFO L168 Benchmark]: Toolchain (without parser) took 483.39 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 50.9 MB in the beginning and 90.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:06,443 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.8 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:39:06,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.76 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 90.7 MB in the end (delta: -40.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:06,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.8 MB in the end (delta: 52.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.76 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 90.7 MB in the end (delta: -40.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 523]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:39:08,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:39:08,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:39:08,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:39:08,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:39:08,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:39:08,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:39:08,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:39:08,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:39:08,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:39:08,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:39:08,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:39:08,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:39:08,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:39:08,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:39:08,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:39:08,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:39:08,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:39:08,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:39:08,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:39:08,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:39:08,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:39:08,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:39:08,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:39:08,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:39:08,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:39:08,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:39:08,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:39:08,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:39:08,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:39:08,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:39:08,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:39:08,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:39:08,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:39:08,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:39:08,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:39:08,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:39:08,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:39:08,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:39:08,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:39:08,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:39:08,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:39:08,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:39:08,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:39:08,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:39:08,877 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:39:08,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:39:08,878 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:39:08,878 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:39:08,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:39:08,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:39:08,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:39:08,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:39:08,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:39:08,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:39:08,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:39:08,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:39:08,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:39:08,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:39:08,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:39:08,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:39:08,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:39:08,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:39:08,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:39:08,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:39:08,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:39:08,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:39:08,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:39:08,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:39:08,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:39:08,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:39:08,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:39:08,886 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:39:08,886 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:39:08,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:39:08,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:39:08,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:39:08,887 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_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-10-24 10:39:09,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:39:09,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:39:09,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:39:09,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:39:09,371 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:39:09,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-24 10:39:09,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/5320a86a2/fbde544677194245ade728f1d8aa2d27/FLAG87040ea20 [2021-10-24 10:39:10,108 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:39:10,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-24 10:39:10,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/5320a86a2/fbde544677194245ade728f1d8aa2d27/FLAG87040ea20 [2021-10-24 10:39:10,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/data/5320a86a2/fbde544677194245ade728f1d8aa2d27 [2021-10-24 10:39:10,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:39:10,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:39:10,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:10,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:39:10,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:39:10,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:10" (1/1) ... [2021-10-24 10:39:10,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b105838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:10, skipping insertion in model container [2021-10-24 10:39:10,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:10" (1/1) ... [2021-10-24 10:39:10,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:39:10,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:39:10,633 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_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-24 10:39:10,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:39:10,818 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:39:10,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:39:10,841 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_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-24 10:39:10,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:39:10,981 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:39:10,999 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_8104af99-67de-4be7-ad73-fe94ff776efc/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-24 10:39:11,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:39:11,115 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:39:11,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11 WrapperNode [2021-10-24 10:39:11,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:11,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:39:11,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:39:11,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:39:11,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:39:11,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:39:11,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:39:11,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:39:11,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:39:11,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:39:11,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:39:11,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:39:11,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (1/1) ... [2021-10-24 10:39:11,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:39:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:39:11,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:39:11,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:39:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:39:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:39:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:39:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:39:13,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:39:13,675 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-24 10:39:13,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:39:13 BoogieIcfgContainer [2021-10-24 10:39:13,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:39:13,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:39:13,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:39:13,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:39:13,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:39:10" (1/3) ... [2021-10-24 10:39:13,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c532937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:39:13, skipping insertion in model container [2021-10-24 10:39:13,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:11" (2/3) ... [2021-10-24 10:39:13,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c532937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:39:13, skipping insertion in model container [2021-10-24 10:39:13,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:39:13" (3/3) ... [2021-10-24 10:39:13,686 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2021-10-24 10:39:13,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:39:13,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:39:13,765 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:39:13,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:39:13,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:39:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:39:13,794 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:39:13,795 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:39:13,795 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:39:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:39:13,801 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2021-10-24 10:39:13,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:39:13,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887272234] [2021-10-24 10:39:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:39:13,817 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:39:13,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:39:13,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:39:13,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:39:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:39:14,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:39:14,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:39:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:14,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:39:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:14,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:39:14,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887272234] [2021-10-24 10:39:14,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887272234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:39:14,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:39:14,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:39:14,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806490750] [2021-10-24 10:39:14,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:39:14,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:39:14,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:39:14,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:39:14,257 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2021-10-24 10:39:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:39:14,281 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-24 10:39:14,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:39:14,282 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 [2021-10-24 10:39:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:39:14,290 INFO L225 Difference]: With dead ends: 144 [2021-10-24 10:39:14,291 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 10:39:14,294 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:39:14,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 10:39:14,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 10:39:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-24 10:39:14,331 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2021-10-24 10:39:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:39:14,332 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-24 10:39:14,332 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) [2021-10-24 10:39:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-24 10:39:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:39:14,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:39:14,334 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:39:14,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:39:14,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:39:14,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:39:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:39:14,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2021-10-24 10:39:14,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:39:14,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593687675] [2021-10-24 10:39:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:39:14,550 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:39:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:39:14,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:39:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:39:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:39:14,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:39:14,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:39:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:14,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:39:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:14,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:39:14,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593687675] [2021-10-24 10:39:14,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593687675] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:39:14,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:39:14,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:39:14,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006702740] [2021-10-24 10:39:14,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:39:14,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:39:14,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:39:14,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:39:14,933 INFO L87 Difference]: Start difference. First operand 71 states and 99 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) [2021-10-24 10:39:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:39:14,968 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-24 10:39:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:39:14,969 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 [2021-10-24 10:39:14,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:39:14,970 INFO L225 Difference]: With dead ends: 71 [2021-10-24 10:39:14,970 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:39:14,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:39:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:39:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:39:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-24 10:39:14,986 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-24 10:39:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:39:14,987 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-24 10:39:14,988 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) [2021-10-24 10:39:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-24 10:39:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:39:14,990 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:39:14,993 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:39:15,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:39:15,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:39:15,209 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:39:15,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:39:15,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2021-10-24 10:39:15,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:39:15,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82493351] [2021-10-24 10:39:15,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:39:15,211 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:39:15,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:39:15,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:39:15,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:39:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:39:15,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:39:15,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:39:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:15,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:39:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:15,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:39:15,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82493351] [2021-10-24 10:39:15,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82493351] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:39:15,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:39:15,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:39:15,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551101825] [2021-10-24 10:39:15,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:39:15,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:39:15,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:39:15,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:39:15,579 INFO L87 Difference]: Start difference. First operand 33 states and 46 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) [2021-10-24 10:39:15,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:39:15,609 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-24 10:39:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:39:15,610 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 [2021-10-24 10:39:15,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:39:15,611 INFO L225 Difference]: With dead ends: 60 [2021-10-24 10:39:15,611 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:39:15,612 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:39:15,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:39:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:39:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-24 10:39:15,617 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-24 10:39:15,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:39:15,618 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-24 10:39:15,618 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) [2021-10-24 10:39:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-24 10:39:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:39:15,619 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:39:15,619 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:39:15,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:39:15,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:39:15,843 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:39:15,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:39:15,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2021-10-24 10:39:15,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:39:15,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543141861] [2021-10-24 10:39:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:39:15,845 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:39:15,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:39:15,849 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:39:15,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:39:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:39:16,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:39:16,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:39:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:16,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:39:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:39:16,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:39:16,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543141861] [2021-10-24 10:39:16,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543141861] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:39:16,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:39:16,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:39:16,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7134486] [2021-10-24 10:39:16,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:39:16,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:39:16,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:39:16,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:39:16,345 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:16,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:39:16,622 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2021-10-24 10:39:16,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:39:16,623 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 [2021-10-24 10:39:16,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:39:16,629 INFO L225 Difference]: With dead ends: 308 [2021-10-24 10:39:16,630 INFO L226 Difference]: Without dead ends: 281 [2021-10-24 10:39:16,631 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 129.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:39:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-10-24 10:39:16,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2021-10-24 10:39:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-24 10:39:16,671 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2021-10-24 10:39:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:39:16,672 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-24 10:39:16,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:39:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-24 10:39:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:39:16,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:39:16,675 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:39:16,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:39:16,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:39:16,890 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:39:16,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:39:16,891 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2021-10-24 10:39:16,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:39:16,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025889097] [2021-10-24 10:39:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:39:16,892 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:39:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:39:16,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:39:16,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:39:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:39:17,936 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:39:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:39:19,012 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:39:19,012 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:39:19,013 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:39:19,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:39:19,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:39:19,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:39:19,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:39:19,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:39:19,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:39:19 BoogieIcfgContainer [2021-10-24 10:39:19,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:39:19,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:39:19,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:39:19,351 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:39:19,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:39:13" (3/4) ... [2021-10-24 10:39:19,357 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:39:19,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:39:19,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:39:19,473 INFO L168 Benchmark]: Toolchain (without parser) took 9061.47 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 48.5 MB in the beginning and 33.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,474 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:39:19,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.82 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 36.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.96 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 50.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,475 INFO L168 Benchmark]: Boogie Preprocessor took 78.01 ms. Allocated memory is still 69.2 MB. Free memory was 50.8 MB in the beginning and 48.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,475 INFO L168 Benchmark]: RCFGBuilder took 2368.38 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 48.7 MB in the beginning and 39.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,476 INFO L168 Benchmark]: TraceAbstraction took 5670.46 ms. Allocated memory is still 90.2 MB. Free memory was 38.6 MB in the beginning and 44.5 MB in the end (delta: -6.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:39:19,476 INFO L168 Benchmark]: Witness Printer took 121.04 ms. Allocated memory is still 90.2 MB. Free memory was 43.8 MB in the beginning and 33.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:19,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.82 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 36.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.96 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 50.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.01 ms. Allocated memory is still 69.2 MB. Free memory was 50.8 MB in the beginning and 48.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2368.38 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 48.7 MB in the beginning and 39.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5670.46 ms. Allocated memory is still 90.2 MB. Free memory was 38.6 MB in the beginning and 44.5 MB in the end (delta: -6.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 121.04 ms. Allocated memory is still 90.2 MB. Free memory was 43.8 MB in the beginning and 33.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L319] int waterLevel = 1; [L320] int methaneLevelCritical = 0; [L399] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] int retValue_acc ; [L473] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] tmp = valid_product() [L481] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] int splverifierCounter ; [L253] int tmp ; [L254] int tmp___0 ; [L255] int tmp___1 ; [L256] int tmp___2 ; [L259] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L269] tmp = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] COND TRUE waterLevel < 2 [L338] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___0 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] tmp___2 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___2) [L243] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L121] COND TRUE \read(systemActive) [L143] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] int tmp ; [L863] int tmp___0 ; [L864] int tmp___1 ; [L358] int retValue_acc ; [L361] retValue_acc = methaneLevelCritical [L362] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp = isMethaneLevelCritical() [L870] COND FALSE !(\read(tmp)) [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L874] tmp___0 = getWaterLevel() [L876] COND TRUE tmp___0 == 2 [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L878] tmp___1 = isPumpRunning() [L880] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5472.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.1ms, AutomataDifference: 414.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 264 SDtfs, 489 SDslu, 455 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 122.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 148.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 82.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 112.2ms SsaConstructionTime, 1415.9ms SatisfiabilityAnalysisTime, 772.8ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-24 10:39:19,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8104af99-67de-4be7-ad73-fe94ff776efc/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...