./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6dd0865ec13f793a91d3f0814cabffabbadeed3 ............................................................................................................................................ 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_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6dd0865ec13f793a91d3f0814cabffabbadeed3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-7b2dab5 [2021-10-11 02:26:13,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:13,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:13,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:13,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:13,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:13,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:13,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:13,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:13,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:13,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:13,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:13,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:13,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:13,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:13,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:13,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:13,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:13,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:13,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:13,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:13,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:13,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:13,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:13,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:13,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:13,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:13,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:13,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:13,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:13,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:13,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:13,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:13,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:13,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:13,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:13,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:13,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:13,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:13,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:13,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:13,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:13,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:13,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:13,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:13,615 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:13,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:13,616 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:13,616 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:13,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:13,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:13,617 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:13,617 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:13,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:13,618 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:13,618 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:13,618 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:13,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:13,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:13,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:13,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:13,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:13,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:13,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:13,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:13,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:13,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:13,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:13,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:13,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:13,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:13,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:13,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:13,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:13,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:13,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:13,625 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:13,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:13,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:13,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:13,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:13,626 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_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6dd0865ec13f793a91d3f0814cabffabbadeed3 [2021-10-11 02:26:13,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:13,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:13,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:13,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:13,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:13,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-10-11 02:26:14,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/fef08af8e/7ac2433c6d4c4b86a35dc05c568c00e5/FLAG17fc64ee5 [2021-10-11 02:26:14,500 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:14,500 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-10-11 02:26:14,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/fef08af8e/7ac2433c6d4c4b86a35dc05c568c00e5/FLAG17fc64ee5 [2021-10-11 02:26:14,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/fef08af8e/7ac2433c6d4c4b86a35dc05c568c00e5 [2021-10-11 02:26:14,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:14,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:14,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:14,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:14,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:14,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:14,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c187a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:14, skipping insertion in model container [2021-10-11 02:26:14,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:14,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:14,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:15,179 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-10-11 02:26:15,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:15,227 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:26:15,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f86d4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15, skipping insertion in model container [2021-10-11 02:26:15,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:15,228 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:15,231 INFO L168 Benchmark]: Toolchain (without parser) took 384.82 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 56.7 MB in the beginning and 104.2 MB in the end (delta: -47.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,232 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:15,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.19 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 56.3 MB in the beginning and 104.2 MB in the end (delta: -47.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.19 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 56.3 MB in the beginning and 104.2 MB in the end (delta: -47.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:17,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:17,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:17,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:17,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:17,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:17,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:17,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:17,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:17,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:17,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:17,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:17,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:17,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:17,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:17,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:17,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:17,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:17,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:17,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:17,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:17,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:17,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:17,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:17,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:17,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:17,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:17,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:17,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:17,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:17,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:17,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:17,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:17,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:17,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:17,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:17,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:17,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:17,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:17,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:17,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:17,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:17,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:17,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:17,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:17,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:17,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:17,751 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:17,751 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:17,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:17,752 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:17,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:17,754 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:17,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:17,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:17,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:17,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:17,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:17,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:17,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:17,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:17,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:17,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:17,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:17,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:17,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:17,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:17,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:17,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:17,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:17,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:17,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:17,759 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:17,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:17,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:17,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:17,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:17,761 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_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6dd0865ec13f793a91d3f0814cabffabbadeed3 [2021-10-11 02:26:18,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:18,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:18,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:18,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:18,178 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:18,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-10-11 02:26:18,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/6435f1d90/bfa5bf80c50b486aa8f5d727ca4ba227/FLAG1c0bc923a [2021-10-11 02:26:18,864 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:18,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-10-11 02:26:18,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/6435f1d90/bfa5bf80c50b486aa8f5d727ca4ba227/FLAG1c0bc923a [2021-10-11 02:26:19,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/data/6435f1d90/bfa5bf80c50b486aa8f5d727ca4ba227 [2021-10-11 02:26:19,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:19,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:19,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:19,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:19,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:19,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6ea5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19, skipping insertion in model container [2021-10-11 02:26:19,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:19,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:19,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-10-11 02:26:19,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:19,611 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:19,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:19,688 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-10-11 02:26:19,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:19,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:19,801 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] [2021-10-11 02:26:19,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:19,873 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:19,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19 WrapperNode [2021-10-11 02:26:19,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:19,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:19,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:19,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:19,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:19,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:19,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:19,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:19,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:20,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:20,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:20,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:20,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:20,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:22,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:22,893 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-11 02:26:22,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:22 BoogieIcfgContainer [2021-10-11 02:26:22,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:22,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:22,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:22,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:22,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:19" (1/3) ... [2021-10-11 02:26:22,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bbf64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:22, skipping insertion in model container [2021-10-11 02:26:22,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19" (2/3) ... [2021-10-11 02:26:22,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bbf64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:22, skipping insertion in model container [2021-10-11 02:26:22,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:22" (3/3) ... [2021-10-11 02:26:22,911 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2021-10-11 02:26:22,926 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:22,930 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:22,941 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:22,979 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:22,979 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:22,979 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:22,979 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:22,979 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:22,979 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:22,979 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:22,980 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-10-11 02:26:23,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:26:23,010 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:23,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:23,011 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:23,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2109695399, now seen corresponding path program 1 times [2021-10-11 02:26:23,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:23,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330889229] [2021-10-11 02:26:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:23,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:23,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:23,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:23,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330889229] [2021-10-11 02:26:23,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:23,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:23,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615100942] [2021-10-11 02:26:23,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:23,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:23,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:23,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:23,362 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2021-10-11 02:26:23,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:23,392 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2021-10-11 02:26:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:23,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:26:23,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:23,405 INFO L225 Difference]: With dead ends: 216 [2021-10-11 02:26:23,405 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 02:26:23,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:23,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 02:26:23,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-11 02:26:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 02:26:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2021-10-11 02:26:23,450 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 16 [2021-10-11 02:26:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:23,451 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2021-10-11 02:26:23,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2021-10-11 02:26:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:26:23,453 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:23,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:23,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:23,659 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:23,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1093063509, now seen corresponding path program 1 times [2021-10-11 02:26:23,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:23,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112717177] [2021-10-11 02:26:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:23,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:23,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:23,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:23,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112717177] [2021-10-11 02:26:23,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:23,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:23,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793704811] [2021-10-11 02:26:23,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:23,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:23,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:23,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:23,931 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand 3 states. [2021-10-11 02:26:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:23,964 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2021-10-11 02:26:23,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:23,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:26:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:23,970 INFO L225 Difference]: With dead ends: 107 [2021-10-11 02:26:23,970 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:26:23,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:23,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:26:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:26:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:26:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2021-10-11 02:26:23,987 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 17 [2021-10-11 02:26:23,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:23,990 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2021-10-11 02:26:23,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2021-10-11 02:26:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:26:23,993 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:23,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:24,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,198 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:24,199 INFO L82 PathProgramCache]: Analyzing trace with hash -720159228, now seen corresponding path program 1 times [2021-10-11 02:26:24,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:24,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991538743] [2021-10-11 02:26:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:24,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:24,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991538743] [2021-10-11 02:26:24,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:24,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:24,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559750682] [2021-10-11 02:26:24,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:24,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:24,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:24,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:24,433 INFO L87 Difference]: Start difference. First operand 45 states and 65 transitions. Second operand 3 states. [2021-10-11 02:26:24,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:24,457 INFO L93 Difference]: Finished difference Result 84 states and 124 transitions. [2021-10-11 02:26:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:24,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:26:24,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:24,459 INFO L225 Difference]: With dead ends: 84 [2021-10-11 02:26:24,461 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:26:24,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:26:24,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:26:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:26:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-11 02:26:24,472 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 22 [2021-10-11 02:26:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:24,472 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-11 02:26:24,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-11 02:26:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:26:24,474 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:24,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:24,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,696 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:24,697 INFO L82 PathProgramCache]: Analyzing trace with hash 2091202829, now seen corresponding path program 1 times [2021-10-11 02:26:24,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:24,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865129124] [2021-10-11 02:26:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:24,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:24,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865129124] [2021-10-11 02:26:24,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:24,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:24,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735017789] [2021-10-11 02:26:24,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:24,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:24,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:24,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:24,962 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2021-10-11 02:26:25,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:25,036 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2021-10-11 02:26:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:25,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:26:25,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:25,040 INFO L225 Difference]: With dead ends: 105 [2021-10-11 02:26:25,040 INFO L226 Difference]: Without dead ends: 66 [2021-10-11 02:26:25,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:25,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-11 02:26:25,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-10-11 02:26:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-10-11 02:26:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2021-10-11 02:26:25,064 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 24 [2021-10-11 02:26:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:25,067 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2021-10-11 02:26:25,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-10-11 02:26:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:26:25,069 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:25,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:25,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,288 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:25,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1013899842, now seen corresponding path program 1 times [2021-10-11 02:26:25,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:25,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465965087] [2021-10-11 02:26:25,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:25,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:25,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:25,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:25,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465965087] [2021-10-11 02:26:25,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:25,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:25,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687530187] [2021-10-11 02:26:25,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:25,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:25,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:25,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:25,573 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand 5 states. [2021-10-11 02:26:25,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:25,690 INFO L93 Difference]: Finished difference Result 171 states and 239 transitions. [2021-10-11 02:26:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:25,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:26:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:25,692 INFO L225 Difference]: With dead ends: 171 [2021-10-11 02:26:25,693 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 02:26:25,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:26:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 02:26:25,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 70. [2021-10-11 02:26:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 02:26:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2021-10-11 02:26:25,719 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 30 [2021-10-11 02:26:25,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:25,720 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2021-10-11 02:26:25,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2021-10-11 02:26:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:26:25,727 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:25,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:25,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,947 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:25,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:25,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1648611201, now seen corresponding path program 1 times [2021-10-11 02:26:25,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:25,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794828819] [2021-10-11 02:26:25,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:26,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:26,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:26,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:26,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794828819] [2021-10-11 02:26:26,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:26,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:26,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128832873] [2021-10-11 02:26:26,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:26,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:26,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:26,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:26,214 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand 5 states. [2021-10-11 02:26:26,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:26,366 INFO L93 Difference]: Finished difference Result 344 states and 483 transitions. [2021-10-11 02:26:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:26,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:26:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:26,368 INFO L225 Difference]: With dead ends: 344 [2021-10-11 02:26:26,368 INFO L226 Difference]: Without dead ends: 280 [2021-10-11 02:26:26,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:26,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-10-11 02:26:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 128. [2021-10-11 02:26:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:26:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 175 transitions. [2021-10-11 02:26:26,387 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 175 transitions. Word has length 30 [2021-10-11 02:26:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:26,388 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 175 transitions. [2021-10-11 02:26:26,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2021-10-11 02:26:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:26:26,389 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:26,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:26,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:26:26,601 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:26,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:26,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1974587593, now seen corresponding path program 1 times [2021-10-11 02:26:26,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:26,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083517452] [2021-10-11 02:26:26,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:26,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:26,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:26,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:26,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083517452] [2021-10-11 02:26:26,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:26,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:26,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062029870] [2021-10-11 02:26:26,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:26,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:26,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:26,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:26,873 INFO L87 Difference]: Start difference. First operand 128 states and 175 transitions. Second operand 5 states. [2021-10-11 02:26:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:27,080 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2021-10-11 02:26:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:26:27,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:26:27,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:27,085 INFO L225 Difference]: With dead ends: 366 [2021-10-11 02:26:27,085 INFO L226 Difference]: Without dead ends: 364 [2021-10-11 02:26:27,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:27,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-11 02:26:27,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-10-11 02:26:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:26:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 174 transitions. [2021-10-11 02:26:27,115 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 174 transitions. Word has length 31 [2021-10-11 02:26:27,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:27,115 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 174 transitions. [2021-10-11 02:26:27,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2021-10-11 02:26:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:26:27,118 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:27,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:27,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:26:27,337 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:27,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:27,337 INFO L82 PathProgramCache]: Analyzing trace with hash -735158350, now seen corresponding path program 1 times [2021-10-11 02:26:27,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:27,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148081027] [2021-10-11 02:26:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:27,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:26:27,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:27,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:27,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148081027] [2021-10-11 02:26:27,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:27,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:27,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140371893] [2021-10-11 02:26:27,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:27,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:27,572 INFO L87 Difference]: Start difference. First operand 128 states and 174 transitions. Second operand 4 states. [2021-10-11 02:26:27,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:27,639 INFO L93 Difference]: Finished difference Result 308 states and 416 transitions. [2021-10-11 02:26:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:26:27,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:26:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:27,642 INFO L225 Difference]: With dead ends: 308 [2021-10-11 02:26:27,642 INFO L226 Difference]: Without dead ends: 186 [2021-10-11 02:26:27,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:27,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-10-11 02:26:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 136. [2021-10-11 02:26:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 02:26:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 182 transitions. [2021-10-11 02:26:27,660 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 182 transitions. Word has length 31 [2021-10-11 02:26:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:27,661 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 182 transitions. [2021-10-11 02:26:27,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 182 transitions. [2021-10-11 02:26:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:26:27,662 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:27,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:27,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:26:27,875 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:27,875 INFO L82 PathProgramCache]: Analyzing trace with hash -476992912, now seen corresponding path program 1 times [2021-10-11 02:26:27,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:27,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666953041] [2021-10-11 02:26:27,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:28,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:28,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:28,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:28,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666953041] [2021-10-11 02:26:28,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:28,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:28,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465276979] [2021-10-11 02:26:28,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:28,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:28,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:28,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:28,117 INFO L87 Difference]: Start difference. First operand 136 states and 182 transitions. Second operand 3 states. [2021-10-11 02:26:28,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:28,166 INFO L93 Difference]: Finished difference Result 316 states and 422 transitions. [2021-10-11 02:26:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:28,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-10-11 02:26:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:28,168 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:26:28,168 INFO L226 Difference]: Without dead ends: 186 [2021-10-11 02:26:28,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:28,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-10-11 02:26:28,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-10-11 02:26:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:26:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2021-10-11 02:26:28,193 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 31 [2021-10-11 02:26:28,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:28,195 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2021-10-11 02:26:28,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2021-10-11 02:26:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:26:28,197 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:28,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:28,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:26:28,402 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:28,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1705214514, now seen corresponding path program 1 times [2021-10-11 02:26:28,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:28,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525046156] [2021-10-11 02:26:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:30,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:30,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:31,066 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:26:31,066 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:26:31,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:26:31,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:31 BoogieIcfgContainer [2021-10-11 02:26:31,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:31,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:31,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:31,397 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:31,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:22" (3/4) ... [2021-10-11 02:26:31,400 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:26:31,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82ebe4c-8005-4629-a6bc-66e3248a5922/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:31,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:31,539 INFO L168 Benchmark]: Toolchain (without parser) took 12350.86 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 39.6 MB in the beginning and 67.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,539 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:31,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.21 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 28.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.69 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 28.1 MB in the beginning and 54.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,541 INFO L168 Benchmark]: Boogie Preprocessor took 49.02 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 52.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,541 INFO L168 Benchmark]: RCFGBuilder took 2897.16 ms. Allocated memory is still 73.4 MB. Free memory was 52.1 MB in the beginning and 49.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,542 INFO L168 Benchmark]: TraceAbstraction took 8489.90 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 49.2 MB in the beginning and 33.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,542 INFO L168 Benchmark]: Witness Printer took 143.05 ms. Allocated memory is still 90.2 MB. Free memory was 33.8 MB in the beginning and 67.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:31,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 685.21 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 28.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.69 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 28.1 MB in the beginning and 54.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.02 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 52.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2897.16 ms. Allocated memory is still 73.4 MB. Free memory was 52.1 MB in the beginning and 49.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8489.90 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 49.2 MB in the beginning and 33.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 143.05 ms. Allocated memory is still 90.2 MB. Free memory was 33.8 MB in the beginning and 67.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L490] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L769] int splverifierCounter ; [L770] int tmp ; [L771] int tmp___0 ; [L772] int tmp___1 ; [L773] int tmp___2 ; [L776] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L786] tmp = __VERIFIER_nondet_int() [L788] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] tmp___0 = __VERIFIER_nondet_int() [L798] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L864] COND FALSE !(\read(methaneLevelCritical)) [L867] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp___2 = __VERIFIER_nondet_int() [L808] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND TRUE \read(systemActive) [L652] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L655] COND FALSE !(\read(pumpRunning)) [L626] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L629] COND TRUE ! pumpRunning [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L914] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L917] COND FALSE !(waterLevel < 2) [L921] retValue_acc = 0 [L922] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L755] tmp = isHighWaterSensorDry() [L757] COND FALSE !(\read(tmp)) [L760] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L631] tmp = isHighWaterLevel() [L633] COND TRUE \read(tmp) [L680] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L516] int tmp ; [L517] int tmp___0 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L521] tmp = isMethaneLevelCritical() [L523] COND TRUE \read(tmp) [L704] int retValue_acc ; [L707] retValue_acc = pumpRunning [L708] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L525] tmp___0 = isPumpRunning() [L527] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L545] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 787 SDtfs, 846 SDslu, 960 SDs, 0 SdLazy, 146 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 483 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 12277 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1824 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! Received shutdown request...