./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product39.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_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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_244d76bf-a06a-4871-945b-bcf7bde22560/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 dac33dda1b1afd5a9a188848bdc9374832c4af5e ............................................................................................................................................ 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_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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_244d76bf-a06a-4871-945b-bcf7bde22560/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 dac33dda1b1afd5a9a188848bdc9374832c4af5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:29:48,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:48,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:48,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:48,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:48,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:48,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:48,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:48,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:48,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:48,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:48,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:48,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:48,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:48,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:48,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:48,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:48,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:48,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:48,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:48,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:48,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:48,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:48,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:48,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:48,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:48,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:48,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:48,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:48,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:48,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:48,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:48,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:48,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:48,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:48,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:48,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:48,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:48,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:48,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:48,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:48,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:48,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:48,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:48,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:48,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:48,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:48,925 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:48,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:48,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:48,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:48,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:48,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:48,942 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:48,942 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:48,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:48,943 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:48,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:48,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:48,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:48,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:48,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:48,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:48,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:48,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:48,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:48,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:48,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:48,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:48,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:48,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:48,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:48,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:48,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:48,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:48,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:48,951 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:48,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:48,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:48,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:48,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:48,953 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_244d76bf-a06a-4871-945b-bcf7bde22560/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac33dda1b1afd5a9a188848bdc9374832c4af5e [2021-10-11 02:29:49,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:49,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:49,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:49,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:49,315 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:49,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2021-10-11 02:29:49,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/c0d8c1559/4688cde450d2460b934405d396c32ef0/FLAG6b611e2ae [2021-10-11 02:29:50,057 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:50,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2021-10-11 02:29:50,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/c0d8c1559/4688cde450d2460b934405d396c32ef0/FLAG6b611e2ae [2021-10-11 02:29:50,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/c0d8c1559/4688cde450d2460b934405d396c32ef0 [2021-10-11 02:29:50,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:50,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:50,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:50,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:50,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:50,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:50" (1/1) ... [2021-10-11 02:29:50,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f0b757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:50, skipping insertion in model container [2021-10-11 02:29:50,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:50" (1/1) ... [2021-10-11 02:29:50,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:50,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:50,638 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_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c[11407,11420] [2021-10-11 02:29:50,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:50,711 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 02:29:50,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dc80d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:50, skipping insertion in model container [2021-10-11 02:29:50,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:50,713 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:50,715 INFO L168 Benchmark]: Toolchain (without parser) took 410.41 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 61.3 MB in the beginning and 91.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:50,716 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:50,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.24 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 61.0 MB in the beginning and 91.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:50,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.24 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 61.0 MB in the beginning and 91.4 MB in the end (delta: -30.4 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 02:29:53,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:53,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:53,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:53,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:53,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:53,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:53,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:53,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:53,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:53,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:53,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:53,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:53,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:53,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:53,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:53,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:53,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:53,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:53,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:53,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:53,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:53,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:53,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:53,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:53,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:53,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:53,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:53,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:53,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:53,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:53,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:53,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:53,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:53,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:53,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:53,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:53,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:53,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:53,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:53,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:53,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:53,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:53,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:53,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:53,506 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:53,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:53,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:53,507 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:53,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:53,507 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:53,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:53,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:53,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:53,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:53,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:53,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:53,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:53,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:53,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:53,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:53,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:53,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:53,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:53,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:53,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:53,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:53,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:53,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:53,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:53,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:53,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:53,516 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:53,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:53,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:53,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:53,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:53,517 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_244d76bf-a06a-4871-945b-bcf7bde22560/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac33dda1b1afd5a9a188848bdc9374832c4af5e [2021-10-11 02:29:53,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:53,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:53,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:53,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:53,957 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:53,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2021-10-11 02:29:54,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/b39101a6e/005f245ba7a2445bafa96b3083cbb4fe/FLAG438f14aa9 [2021-10-11 02:29:54,841 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:54,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2021-10-11 02:29:54,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/b39101a6e/005f245ba7a2445bafa96b3083cbb4fe/FLAG438f14aa9 [2021-10-11 02:29:55,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/data/b39101a6e/005f245ba7a2445bafa96b3083cbb4fe [2021-10-11 02:29:55,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:55,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:55,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:55,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:55,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:55,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:55,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fecde5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55, skipping insertion in model container [2021-10-11 02:29:55,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:55,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:55,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:55,436 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_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c[11407,11420] [2021-10-11 02:29:55,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:55,605 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:55,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:55,684 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_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c[11407,11420] [2021-10-11 02:29:55,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:55,776 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:55,861 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_244d76bf-a06a-4871-945b-bcf7bde22560/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c[11407,11420] [2021-10-11 02:29:55,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:55,974 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:55,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55 WrapperNode [2021-10-11 02:29:55,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:55,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:55,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:55,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:55,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:56,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:56,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:56,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:56,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... [2021-10-11 02:29:56,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:56,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:56,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:56,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:56,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:29:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:59,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:59,049 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 02:29:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59 BoogieIcfgContainer [2021-10-11 02:29:59,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:59,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:59,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:59,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:59,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:55" (1/3) ... [2021-10-11 02:29:59,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0966fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:59, skipping insertion in model container [2021-10-11 02:29:59,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:55" (2/3) ... [2021-10-11 02:29:59,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0966fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:59, skipping insertion in model container [2021-10-11 02:29:59,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59" (3/3) ... [2021-10-11 02:29:59,061 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2021-10-11 02:29:59,077 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:59,081 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:59,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:59,123 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:59,124 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:59,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:59,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:59,124 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:59,124 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:59,124 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:59,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2021-10-11 02:29:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:29:59,150 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:59,151 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1221872895, now seen corresponding path program 1 times [2021-10-11 02:29:59,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635102215] [2021-10-11 02:29:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:29:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:59,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:59,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635102215] [2021-10-11 02:29:59,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:59,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:59,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752125709] [2021-10-11 02:29:59,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:59,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:59,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:59,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:59,535 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2021-10-11 02:29:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:59,591 INFO L93 Difference]: Finished difference Result 220 states and 335 transitions. [2021-10-11 02:29:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:59,593 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:29:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:59,606 INFO L225 Difference]: With dead ends: 220 [2021-10-11 02:29:59,606 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 02:29:59,610 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 02:29:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 02:29:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-10-11 02:29:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-10-11 02:29:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2021-10-11 02:29:59,659 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 16 [2021-10-11 02:29:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:59,660 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2021-10-11 02:29:59,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2021-10-11 02:29:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:29:59,661 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,661 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 02:29:59,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,881 INFO L82 PathProgramCache]: Analyzing trace with hash 175115998, now seen corresponding path program 1 times [2021-10-11 02:29:59,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634064050] [2021-10-11 02:29:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,150 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 02:30:00,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634064050] [2021-10-11 02:30:00,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:00,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863462347] [2021-10-11 02:30:00,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:00,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:00,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:00,154 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 3 states. [2021-10-11 02:30:00,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,167 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-11 02:30:00,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:00,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,168 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:30:00,169 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:30:00,170 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 02:30:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:30:00,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:30:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:30:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:30:00,177 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 02:30:00,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,177 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:30:00,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:30:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:00,179 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,179 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 02:30:00,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:00,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:00,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1744081540, now seen corresponding path program 1 times [2021-10-11 02:30:00,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:00,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219819339] [2021-10-11 02:30:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,640 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 02:30:00,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219819339] [2021-10-11 02:30:00,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:00,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251017033] [2021-10-11 02:30:00,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:00,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:00,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:00,643 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:30:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,667 INFO L93 Difference]: Finished difference Result 129 states and 192 transitions. [2021-10-11 02:30:00,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:00,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,669 INFO L225 Difference]: With dead ends: 129 [2021-10-11 02:30:00,670 INFO L226 Difference]: Without dead ends: 88 [2021-10-11 02:30:00,671 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 02:30:00,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-11 02:30:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2021-10-11 02:30:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:30:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2021-10-11 02:30:00,688 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 22 [2021-10-11 02:30:00,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,688 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2021-10-11 02:30:00,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2021-10-11 02:30:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:00,690 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,690 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 02:30:00,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,907 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:00,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:00,907 INFO L82 PathProgramCache]: Analyzing trace with hash -595366227, now seen corresponding path program 1 times [2021-10-11 02:30:00,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:00,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242252517] [2021-10-11 02:30:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,198 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 02:30:01,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:01,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242252517] [2021-10-11 02:30:01,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:01,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:01,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33234615] [2021-10-11 02:30:01,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:01,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:01,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:01,200 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand 3 states. [2021-10-11 02:30:01,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:01,302 INFO L93 Difference]: Finished difference Result 203 states and 306 transitions. [2021-10-11 02:30:01,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:01,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:01,305 INFO L225 Difference]: With dead ends: 203 [2021-10-11 02:30:01,305 INFO L226 Difference]: Without dead ends: 125 [2021-10-11 02:30:01,306 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 02:30:01,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-11 02:30:01,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2021-10-11 02:30:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-10-11 02:30:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2021-10-11 02:30:01,326 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 24 [2021-10-11 02:30:01,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:01,327 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2021-10-11 02:30:01,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-10-11 02:30:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:01,328 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:01,328 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] [2021-10-11 02:30:01,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,542 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:01,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:01,543 INFO L82 PathProgramCache]: Analyzing trace with hash 566175321, now seen corresponding path program 1 times [2021-10-11 02:30:01,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:01,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058328429] [2021-10-11 02:30:01,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,825 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 02:30:01,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:01,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058328429] [2021-10-11 02:30:01,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:01,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:01,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911401205] [2021-10-11 02:30:01,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:01,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:01,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:01,828 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand 5 states. [2021-10-11 02:30:01,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:01,988 INFO L93 Difference]: Finished difference Result 619 states and 916 transitions. [2021-10-11 02:30:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:01,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:30:01,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:01,994 INFO L225 Difference]: With dead ends: 619 [2021-10-11 02:30:01,994 INFO L226 Difference]: Without dead ends: 502 [2021-10-11 02:30:01,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:30:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2021-10-11 02:30:02,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 230. [2021-10-11 02:30:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-10-11 02:30:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 331 transitions. [2021-10-11 02:30:02,037 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 331 transitions. Word has length 25 [2021-10-11 02:30:02,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,037 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 331 transitions. [2021-10-11 02:30:02,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2021-10-11 02:30:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:02,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,039 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] [2021-10-11 02:30:02,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,240 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,240 INFO L82 PathProgramCache]: Analyzing trace with hash 362368227, now seen corresponding path program 1 times [2021-10-11 02:30:02,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631300780] [2021-10-11 02:30:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,512 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 02:30:02,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631300780] [2021-10-11 02:30:02,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:02,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392097250] [2021-10-11 02:30:02,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:02,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:02,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:02,515 INFO L87 Difference]: Start difference. First operand 230 states and 331 transitions. Second operand 5 states. [2021-10-11 02:30:02,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,802 INFO L93 Difference]: Finished difference Result 660 states and 954 transitions. [2021-10-11 02:30:02,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:02,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:30:02,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,808 INFO L225 Difference]: With dead ends: 660 [2021-10-11 02:30:02,809 INFO L226 Difference]: Without dead ends: 658 [2021-10-11 02:30:02,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 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 02:30:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2021-10-11 02:30:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 230. [2021-10-11 02:30:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-10-11 02:30:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 329 transitions. [2021-10-11 02:30:02,848 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 329 transitions. Word has length 26 [2021-10-11 02:30:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,848 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 329 transitions. [2021-10-11 02:30:02,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 329 transitions. [2021-10-11 02:30:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:02,851 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,851 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 02:30:03,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,067 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,067 INFO L82 PathProgramCache]: Analyzing trace with hash 922855028, now seen corresponding path program 1 times [2021-10-11 02:30:03,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851310550] [2021-10-11 02:30:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,382 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 02:30:03,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851310550] [2021-10-11 02:30:03,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:03,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947312353] [2021-10-11 02:30:03,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:03,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:03,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:03,386 INFO L87 Difference]: Start difference. First operand 230 states and 329 transitions. Second operand 5 states. [2021-10-11 02:30:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,528 INFO L93 Difference]: Finished difference Result 634 states and 892 transitions. [2021-10-11 02:30:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:03,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:30:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,533 INFO L225 Difference]: With dead ends: 634 [2021-10-11 02:30:03,533 INFO L226 Difference]: Without dead ends: 410 [2021-10-11 02:30:03,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 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 02:30:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-10-11 02:30:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 254. [2021-10-11 02:30:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-10-11 02:30:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2021-10-11 02:30:03,569 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 31 [2021-10-11 02:30:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,569 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2021-10-11 02:30:03,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2021-10-11 02:30:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:03,571 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,572 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 02:30:03,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,792 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,792 INFO L82 PathProgramCache]: Analyzing trace with hash 529828018, now seen corresponding path program 1 times [2021-10-11 02:30:03,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331613016] [2021-10-11 02:30:03,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,044 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 02:30:04,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331613016] [2021-10-11 02:30:04,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:04,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856217431] [2021-10-11 02:30:04,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:04,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:04,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:04,046 INFO L87 Difference]: Start difference. First operand 254 states and 353 transitions. Second operand 4 states. [2021-10-11 02:30:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,129 INFO L93 Difference]: Finished difference Result 622 states and 854 transitions. [2021-10-11 02:30:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:04,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:30:04,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,132 INFO L225 Difference]: With dead ends: 622 [2021-10-11 02:30:04,132 INFO L226 Difference]: Without dead ends: 374 [2021-10-11 02:30:04,133 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 02:30:04,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-11 02:30:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 270. [2021-10-11 02:30:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2021-10-11 02:30:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 369 transitions. [2021-10-11 02:30:04,163 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 369 transitions. Word has length 31 [2021-10-11 02:30:04,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,163 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 369 transitions. [2021-10-11 02:30:04,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 369 transitions. [2021-10-11 02:30:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:04,164 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,164 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 02:30:04,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,380 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash 787993456, now seen corresponding path program 1 times [2021-10-11 02:30:04,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596505975] [2021-10-11 02:30:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,660 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 02:30:04,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596505975] [2021-10-11 02:30:04,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:04,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80708603] [2021-10-11 02:30:04,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:04,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:04,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:04,663 INFO L87 Difference]: Start difference. First operand 270 states and 369 transitions. Second operand 3 states. [2021-10-11 02:30:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,735 INFO L93 Difference]: Finished difference Result 638 states and 866 transitions. [2021-10-11 02:30:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:04,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-10-11 02:30:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,739 INFO L225 Difference]: With dead ends: 638 [2021-10-11 02:30:04,739 INFO L226 Difference]: Without dead ends: 374 [2021-10-11 02:30:04,740 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 02:30:04,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-11 02:30:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2021-10-11 02:30:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2021-10-11 02:30:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 495 transitions. [2021-10-11 02:30:04,790 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 495 transitions. Word has length 31 [2021-10-11 02:30:04,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,790 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 495 transitions. [2021-10-11 02:30:04,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 495 transitions. [2021-10-11 02:30:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:04,792 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,792 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 02:30:05,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,010 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1324766414, now seen corresponding path program 1 times [2021-10-11 02:30:05,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712131169] [2021-10-11 02:30:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/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 02:30:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:06,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:07,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:07,510 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:07,510 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:07,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:07 BoogieIcfgContainer [2021-10-11 02:30:07,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:07,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:07,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:07,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:07,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59" (3/4) ... [2021-10-11 02:30:07,851 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:07,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244d76bf-a06a-4871-945b-bcf7bde22560/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:07,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:07,972 INFO L168 Benchmark]: Toolchain (without parser) took 12879.76 ms. Allocated memory was 50.3 MB in the beginning and 107.0 MB in the end (delta: 56.6 MB). Free memory was 26.4 MB in the beginning and 33.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,972 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:07,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.79 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 39.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.75 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,974 INFO L168 Benchmark]: Boogie Preprocessor took 70.54 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 33.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,974 INFO L168 Benchmark]: RCFGBuilder took 2898.27 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 38.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,975 INFO L168 Benchmark]: TraceAbstraction took 8794.12 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 37.7 MB in the beginning and 47.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,975 INFO L168 Benchmark]: Witness Printer took 122.05 ms. Allocated memory is still 107.0 MB. Free memory was 47.5 MB in the beginning and 33.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 882.79 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 39.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.75 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.54 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 33.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2898.27 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 38.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8794.12 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 37.7 MB in the beginning and 47.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * Witness Printer took 122.05 ms. Allocated memory is still 107.0 MB. Free memory was 47.5 MB in the beginning and 33.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 441]: 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; [L452] int waterLevel = 1; [L453] int methaneLevelCritical = 0; [L619] int pumpRunning = 0; [L620] int systemActive = 1; [L850] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] int retValue_acc ; [L924] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] int retValue_acc ; [L844] retValue_acc = 1 [L845] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L930] tmp = valid_product() [L932] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L559] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L561] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L567] tmp = __VERIFIER_nondet_int() [L569] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE waterLevel < 2 [L471] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L482] COND FALSE !(\read(methaneLevelCritical)) [L485] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L626] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L633] COND TRUE \read(systemActive) [L681] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L684] COND FALSE !(\read(pumpRunning)) [L655] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L658] COND TRUE ! pumpRunning [L778] int retValue_acc ; [L779] int tmp ; [L780] int tmp___0 ; [L532] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L535] COND FALSE !(waterLevel < 2) [L539] retValue_acc = 0 [L540] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L784] tmp = isHighWaterSensorDry() [L786] COND FALSE !(\read(tmp)) [L789] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] retValue_acc = tmp___0 [L792] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L660] tmp = isHighWaterLevel() [L662] COND TRUE \read(tmp) [L709] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L412] int tmp ; [L413] int tmp___0 ; [L491] int retValue_acc ; [L494] retValue_acc = methaneLevelCritical [L495] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L417] tmp = isMethaneLevelCritical() [L419] COND TRUE \read(tmp) [L733] int retValue_acc ; [L736] retValue_acc = pumpRunning [L737] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L421] tmp___0 = isPumpRunning() [L423] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L441] 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, 113 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 833 SDtfs, 925 SDslu, 1083 SDs, 0 SdLazy, 153 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=374occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 966 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10922 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1810 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...