./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 6dd4e2379545062b6cfdf03e26feb426fb16a9fa ............................................................................................................................................ 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 6dd4e2379545062b6cfdf03e26feb426fb16a9fa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:15,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:15,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:15,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:15,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:15,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:15,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:15,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:15,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:15,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:15,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:15,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:15,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:15,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:15,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:15,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:15,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:15,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:15,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:15,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:15,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:15,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:15,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:15,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:15,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:15,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:15,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:15,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:15,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:15,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:15,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:15,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:15,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:15,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:15,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:15,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:15,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:15,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:15,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:15,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:15,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:15,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:15,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:15,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:15,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:15,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:15,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:15,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:15,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:15,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:15,931 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:15,932 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:15,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:15,933 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:15,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:15,934 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:15,934 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:15,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:15,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:15,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:15,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:15,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:15,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:15,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:15,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:15,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:15,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:15,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:15,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:15,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:15,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:15,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:15,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:15,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:15,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:15,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:15,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:15,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:15,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:15,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:15,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:15,943 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4e2379545062b6cfdf03e26feb426fb16a9fa [2021-10-11 02:28:16,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:16,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:16,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:16,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:16,282 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:16,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 02:28:16,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/f9afca195/3b5c042804b74d37bd30702fad686f50/FLAG03ba19088 [2021-10-11 02:28:16,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:16,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 02:28:16,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/f9afca195/3b5c042804b74d37bd30702fad686f50/FLAG03ba19088 [2021-10-11 02:28:17,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/f9afca195/3b5c042804b74d37bd30702fad686f50 [2021-10-11 02:28:17,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:17,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:17,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:17,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:17,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:17,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:17" (1/1) ... [2021-10-11 02:28:17,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670e3b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:17, skipping insertion in model container [2021-10-11 02:28:17,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:17" (1/1) ... [2021-10-11 02:28:17,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:17,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:17,507 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 02:28:17,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:17,680 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 02:28:17,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c46092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:17, skipping insertion in model container [2021-10-11 02:28:17,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:17,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:17,685 INFO L168 Benchmark]: Toolchain (without parser) took 449.67 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 80.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:17,686 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:17,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.47 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 80.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:17,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.47 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 80.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 185]: 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 02:28:20,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:20,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:20,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:20,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:20,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:20,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:20,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:20,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:20,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:20,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:20,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:20,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:20,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:20,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:20,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:20,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:20,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:20,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:20,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:20,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:20,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:20,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:20,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:20,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:20,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:20,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:20,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:20,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:20,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:20,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:20,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:20,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:20,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:20,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:20,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:20,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:20,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:20,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:20,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:20,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:20,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:20,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:20,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:20,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:20,297 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:20,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:20,297 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:20,297 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:20,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:20,298 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:20,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:20,301 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:20,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:20,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:20,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:20,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:20,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:20,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:20,303 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:20,303 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:20,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:20,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:20,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:20,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:20,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:20,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:20,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:20,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:20,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:20,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:20,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:20,306 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:20,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:20,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:20,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:20,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:20,308 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4e2379545062b6cfdf03e26feb426fb16a9fa [2021-10-11 02:28:20,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:20,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:20,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:20,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:20,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:20,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 02:28:20,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/e20092e04/1a04f9c49de646258ece834dda805059/FLAG2844f6dc3 [2021-10-11 02:28:21,459 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:21,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 02:28:21,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/e20092e04/1a04f9c49de646258ece834dda805059/FLAG2844f6dc3 [2021-10-11 02:28:21,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/data/e20092e04/1a04f9c49de646258ece834dda805059 [2021-10-11 02:28:21,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:21,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:21,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:21,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:21,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:21,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:21,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f49e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21, skipping insertion in model container [2021-10-11 02:28:21,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:21,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:21,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:22,027 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 02:28:22,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,202 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:22,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:22,242 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 02:28:22,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,331 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:22,346 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_56f602ec-fea5-42e4-b0eb-5f971bdcff30/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 02:28:22,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:22,486 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:22,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22 WrapperNode [2021-10-11 02:28:22,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:22,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:22,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:22,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:22,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:22,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:22,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:22,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... [2021-10-11 02:28:22,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:22,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:22,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:22,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:25,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:25,211 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2021-10-11 02:28:25,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25 BoogieIcfgContainer [2021-10-11 02:28:25,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:25,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:25,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:25,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:25,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:21" (1/3) ... [2021-10-11 02:28:25,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189fa9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:25, skipping insertion in model container [2021-10-11 02:28:25,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:22" (2/3) ... [2021-10-11 02:28:25,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189fa9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:25, skipping insertion in model container [2021-10-11 02:28:25,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25" (3/3) ... [2021-10-11 02:28:25,221 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2021-10-11 02:28:25,243 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:25,247 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:25,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:25,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:25,305 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:25,305 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:25,306 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:25,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:25,306 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:25,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:25,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-10-11 02:28:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:28:25,336 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:25,338 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:25,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:25,343 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2021-10-11 02:28:25,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:25,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744168812] [2021-10-11 02:28:25,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:25,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:25,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:25,708 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 02:28:25,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:25,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744168812] [2021-10-11 02:28:25,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:25,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:25,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063614416] [2021-10-11 02:28:25,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:25,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:25,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:25,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:25,739 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2021-10-11 02:28:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:25,789 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-11 02:28:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:25,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:28:25,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:25,806 INFO L225 Difference]: With dead ends: 171 [2021-10-11 02:28:25,806 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 02:28:25,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 02:28:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 02:28:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-11 02:28:25,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 02:28:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-11 02:28:25,881 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-11 02:28:25,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:25,881 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-11 02:28:25,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-11 02:28:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:28:25,882 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,882 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] [2021-10-11 02:28:26,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2021-10-11 02:28:26,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581537071] [2021-10-11 02:28:26,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,461 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 02:28:26,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581537071] [2021-10-11 02:28:26,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:26,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175804698] [2021-10-11 02:28:26,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:26,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:26,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,472 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2021-10-11 02:28:26,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,485 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-11 02:28:26,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:26,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:28:26,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,487 INFO L225 Difference]: With dead ends: 85 [2021-10-11 02:28:26,487 INFO L226 Difference]: Without dead ends: 40 [2021-10-11 02:28:26,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 02:28:26,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-11 02:28:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-11 02:28:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-10-11 02:28:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-11 02:28:26,494 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-11 02:28:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,495 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-11 02:28:26,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-11 02:28:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:26,496 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,496 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 02:28:26,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,712 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,713 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2021-10-11 02:28:26,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516850512] [2021-10-11 02:28:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,955 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 02:28:26,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516850512] [2021-10-11 02:28:26,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:26,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094592816] [2021-10-11 02:28:26,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:26,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:26,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,958 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2021-10-11 02:28:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,976 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-10-11 02:28:26,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:26,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:28:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,978 INFO L225 Difference]: With dead ends: 106 [2021-10-11 02:28:26,978 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:28:26,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 02:28:26,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:28:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-10-11 02:28:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:28:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2021-10-11 02:28:26,990 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2021-10-11 02:28:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,990 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2021-10-11 02:28:26,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2021-10-11 02:28:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:28:26,991 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,992 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] [2021-10-11 02:28:27,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:27,212 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2021-10-11 02:28:27,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:27,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243669628] [2021-10-11 02:28:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:27,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:27,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,500 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 02:28:27,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243669628] [2021-10-11 02:28:27,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:27,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734026217] [2021-10-11 02:28:27,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:27,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:27,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:27,507 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2021-10-11 02:28:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:27,615 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2021-10-11 02:28:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:27,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 02:28:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:27,620 INFO L225 Difference]: With dead ends: 178 [2021-10-11 02:28:27,620 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 02:28:27,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:28:27,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 02:28:27,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-10-11 02:28:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-10-11 02:28:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2021-10-11 02:28:27,652 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2021-10-11 02:28:27,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:27,653 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2021-10-11 02:28:27,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2021-10-11 02:28:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:28:27,655 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:27,655 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] [2021-10-11 02:28:27,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,873 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:27,873 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2021-10-11 02:28:27,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:27,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030057592] [2021-10-11 02:28:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:28,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:28,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:28,121 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 02:28:28,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:28,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030057592] [2021-10-11 02:28:28,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:28,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:28,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320851782] [2021-10-11 02:28:28,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:28,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:28,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:28,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:28,124 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2021-10-11 02:28:28,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:28,337 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2021-10-11 02:28:28,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:28:28,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:28:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:28,340 INFO L225 Difference]: With dead ends: 405 [2021-10-11 02:28:28,340 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 02:28:28,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 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 02:28:28,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 02:28:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2021-10-11 02:28:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 02:28:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2021-10-11 02:28:28,363 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2021-10-11 02:28:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:28,364 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2021-10-11 02:28:28,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2021-10-11 02:28:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:28:28,366 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:28,366 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, 1] [2021-10-11 02:28:28,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:28,582 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:28,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2021-10-11 02:28:28,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:28,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379017424] [2021-10-11 02:28:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:28,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:28,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:28,860 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 02:28:28,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:28,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379017424] [2021-10-11 02:28:28,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:28,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:28,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075070557] [2021-10-11 02:28:28,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:28,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:28,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:28,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:28,870 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2021-10-11 02:28:28,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:28,960 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2021-10-11 02:28:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:28,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:28:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:28,962 INFO L225 Difference]: With dead ends: 304 [2021-10-11 02:28:28,962 INFO L226 Difference]: Without dead ends: 199 [2021-10-11 02:28:28,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:28:28,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-11 02:28:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2021-10-11 02:28:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 02:28:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-10-11 02:28:28,992 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2021-10-11 02:28:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:28,994 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-10-11 02:28:28,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-10-11 02:28:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:28:29,001 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:29,001 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, 1] [2021-10-11 02:28:29,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:29,221 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:29,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:29,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2021-10-11 02:28:29,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:29,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699061924] [2021-10-11 02:28:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:29,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:29,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:29,468 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 02:28:29,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:29,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699061924] [2021-10-11 02:28:29,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:29,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:29,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968402642] [2021-10-11 02:28:29,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:29,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:29,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:29,471 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2021-10-11 02:28:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:29,521 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2021-10-11 02:28:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:29,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:28:29,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:29,523 INFO L225 Difference]: With dead ends: 283 [2021-10-11 02:28:29,523 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:28:29,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 02:28:29,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:28:29,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2021-10-11 02:28:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 02:28:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-11 02:28:29,554 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2021-10-11 02:28:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:29,555 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-11 02:28:29,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-11 02:28:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:28:29,559 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:29,561 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, 1] [2021-10-11 02:28:29,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:28:29,785 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:29,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:29,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2021-10-11 02:28:29,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:29,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144414739] [2021-10-11 02:28:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:29,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:29,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:30,042 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 02:28:30,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:30,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144414739] [2021-10-11 02:28:30,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:30,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:30,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121078606] [2021-10-11 02:28:30,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:30,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:30,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:30,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:30,045 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2021-10-11 02:28:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:30,093 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2021-10-11 02:28:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:30,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:28:30,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:30,095 INFO L225 Difference]: With dead ends: 293 [2021-10-11 02:28:30,098 INFO L226 Difference]: Without dead ends: 178 [2021-10-11 02:28:30,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 02:28:30,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-11 02:28:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-10-11 02:28:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-10-11 02:28:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2021-10-11 02:28:30,120 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2021-10-11 02:28:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:30,121 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2021-10-11 02:28:30,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2021-10-11 02:28:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:28:30,122 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:30,122 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, 1, 1] [2021-10-11 02:28:30,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:28:30,338 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:30,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:30,338 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2021-10-11 02:28:30,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:30,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541104144] [2021-10-11 02:28:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:30,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:28:30,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:30,595 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 02:28:30,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:30,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541104144] [2021-10-11 02:28:30,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:30,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:30,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612973680] [2021-10-11 02:28:30,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:30,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:30,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:30,598 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 6 states. [2021-10-11 02:28:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:32,276 INFO L93 Difference]: Finished difference Result 875 states and 1208 transitions. [2021-10-11 02:28:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:28:32,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 02:28:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:32,283 INFO L225 Difference]: With dead ends: 875 [2021-10-11 02:28:32,283 INFO L226 Difference]: Without dead ends: 760 [2021-10-11 02:28:32,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:28:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-11 02:28:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 320. [2021-10-11 02:28:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2021-10-11 02:28:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 429 transitions. [2021-10-11 02:28:32,328 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 429 transitions. Word has length 34 [2021-10-11 02:28:32,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:32,330 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 429 transitions. [2021-10-11 02:28:32,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 429 transitions. [2021-10-11 02:28:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:28:32,333 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:32,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:28:32,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:28:32,553 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:32,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2021-10-11 02:28:32,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:32,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364253812] [2021-10-11 02:28:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/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 02:28:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:32,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:32,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:32,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:32,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364253812] [2021-10-11 02:28:32,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [647523308] [2021-10-11 02:28:32,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:33,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:28:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:33,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:33,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427259172] [2021-10-11 02:28:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:28:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:33,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:33,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:33,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:33,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:28:33,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-11 02:28:33,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116855026] [2021-10-11 02:28:33,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:28:33,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:33,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:28:33,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:33,566 INFO L87 Difference]: Start difference. First operand 320 states and 429 transitions. Second operand 8 states. [2021-10-11 02:28:38,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:38,996 INFO L93 Difference]: Finished difference Result 679 states and 920 transitions. [2021-10-11 02:28:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:28:38,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-10-11 02:28:38,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:38,999 INFO L225 Difference]: With dead ends: 679 [2021-10-11 02:28:39,000 INFO L226 Difference]: Without dead ends: 366 [2021-10-11 02:28:39,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:28:39,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-11 02:28:39,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 294. [2021-10-11 02:28:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2021-10-11 02:28:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 379 transitions. [2021-10-11 02:28:39,034 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 379 transitions. Word has length 51 [2021-10-11 02:28:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:39,034 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 379 transitions. [2021-10-11 02:28:39,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:28:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 379 transitions. [2021-10-11 02:28:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-11 02:28:39,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:39,036 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:39,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:39,652 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:39,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash -833652910, now seen corresponding path program 1 times [2021-10-11 02:28:39,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:39,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461254008] [2021-10-11 02:28:39,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:39,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:39,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-11 02:28:40,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-11 02:28:40,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461254008] [2021-10-11 02:28:40,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [740833524] [2021-10-11 02:28:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:40,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:40,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-11 02:28:40,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:40,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:28:40,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 11 [2021-10-11 02:28:40,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830098010] [2021-10-11 02:28:40,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:40,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:40,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:40,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:28:40,539 INFO L87 Difference]: Start difference. First operand 294 states and 379 transitions. Second operand 3 states. [2021-10-11 02:28:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:42,066 INFO L93 Difference]: Finished difference Result 366 states and 472 transitions. [2021-10-11 02:28:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:42,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2021-10-11 02:28:42,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:42,068 INFO L225 Difference]: With dead ends: 366 [2021-10-11 02:28:42,068 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:42,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:28:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:42,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2021-10-11 02:28:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:42,070 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:42,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:42,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:42,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:42,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:42,719 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-10-11 02:28:43,483 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2021-10-11 02:28:43,804 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2021-10-11 02:28:44,094 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 6 [2021-10-11 02:28:44,300 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2021-10-11 02:28:44,529 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2021-10-11 02:28:44,775 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-10-11 02:28:44,948 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-10-11 02:28:45,325 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 33 [2021-10-11 02:28:45,555 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2021-10-11 02:28:45,819 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2021-10-11 02:28:45,951 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2021-10-11 02:28:46,019 INFO L262 CegarLoopResult]: For program point L927(lines 927 944) no Hoare annotation was computed. [2021-10-11 02:28:46,020 INFO L258 CegarLoopResult]: At program point L927-1(lines 1 947) the Hoare annotation is: (let ((.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse2 .cse5) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse6 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,020 INFO L262 CegarLoopResult]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2021-10-11 02:28:46,020 INFO L258 CegarLoopResult]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2021-10-11 02:28:46,020 INFO L262 CegarLoopResult]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2021-10-11 02:28:46,020 INFO L258 CegarLoopResult]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:46,021 INFO L265 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2021-10-11 02:28:46,021 INFO L258 CegarLoopResult]: At program point L747(lines 747 753) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-11 02:28:46,021 INFO L258 CegarLoopResult]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2021-10-11 02:28:46,021 INFO L258 CegarLoopResult]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2021-10-11 02:28:46,021 INFO L262 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L258 CegarLoopResult]: At program point L880(lines 865 883) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2021-10-11 02:28:46,022 INFO L258 CegarLoopResult]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2021-10-11 02:28:46,022 INFO L258 CegarLoopResult]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L258 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: false [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L931(lines 931 941) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-10-11 02:28:46,022 INFO L262 CegarLoopResult]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-10-11 02:28:46,023 INFO L262 CegarLoopResult]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2021-10-11 02:28:46,023 INFO L258 CegarLoopResult]: At program point L916(lines 740 746) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,023 INFO L258 CegarLoopResult]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2021-10-11 02:28:46,023 INFO L258 CegarLoopResult]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2021-10-11 02:28:46,023 INFO L258 CegarLoopResult]: At program point L553(lines 548 556) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:46,023 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:46,023 INFO L262 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2021-10-11 02:28:46,024 INFO L258 CegarLoopResult]: At program point L719(lines 710 723) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:28:46,024 INFO L258 CegarLoopResult]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2021-10-11 02:28:46,024 INFO L258 CegarLoopResult]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2021-10-11 02:28:46,024 INFO L262 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:28:46,024 INFO L262 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-10-11 02:28:46,024 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:28:46,024 INFO L262 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:28:46,025 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,025 INFO L262 CegarLoopResult]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-10-11 02:28:46,025 INFO L258 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,025 INFO L262 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2021-10-11 02:28:46,025 INFO L265 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2021-10-11 02:28:46,025 INFO L262 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-10-11 02:28:46,026 INFO L258 CegarLoopResult]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,026 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:46,026 INFO L262 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2021-10-11 02:28:46,026 INFO L262 CegarLoopResult]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2021-10-11 02:28:46,026 INFO L258 CegarLoopResult]: At program point L706(lines 701 709) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 (= ~systemActive~0 (_ bv0 32))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse5 .cse3 .cse6))) [2021-10-11 02:28:46,027 INFO L262 CegarLoopResult]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2021-10-11 02:28:46,027 INFO L258 CegarLoopResult]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2021-10-11 02:28:46,027 INFO L258 CegarLoopResult]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2021-10-11 02:28:46,027 INFO L262 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-10-11 02:28:46,027 INFO L258 CegarLoopResult]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:46,027 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,027 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,028 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,028 INFO L258 CegarLoopResult]: At program point L740(lines 736 758) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,028 INFO L258 CegarLoopResult]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2021-10-11 02:28:46,028 INFO L258 CegarLoopResult]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2021-10-11 02:28:46,028 INFO L258 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2021-10-11 02:28:46,028 INFO L258 CegarLoopResult]: At program point L906(lines 901 908) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-11 02:28:46,029 INFO L258 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,029 INFO L262 CegarLoopResult]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,030 INFO L262 CegarLoopResult]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2021-10-11 02:28:46,030 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:46,030 INFO L258 CegarLoopResult]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse4 .cse3) (and .cse0 .cse1 .cse2 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse4) (and .cse1 .cse5 .cse6 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,030 INFO L258 CegarLoopResult]: At program point L825-1(lines 820 828) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:46,031 INFO L258 CegarLoopResult]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2021-10-11 02:28:46,031 INFO L258 CegarLoopResult]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2021-10-11 02:28:46,031 INFO L258 CegarLoopResult]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2021-10-11 02:28:46,031 INFO L258 CegarLoopResult]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2021-10-11 02:28:46,031 INFO L262 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2021-10-11 02:28:46,031 INFO L262 CegarLoopResult]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2021-10-11 02:28:46,031 INFO L262 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2021-10-11 02:28:46,032 INFO L258 CegarLoopResult]: At program point L545(lines 1 947) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:46,032 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 02:28:46,032 INFO L262 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:28:46,032 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 02:28:46,032 INFO L258 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:28:46,032 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-10-11 02:28:46,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:46 BoogieIcfgContainer [2021-10-11 02:28:46,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:46,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:46,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:46,064 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:46,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:25" (3/4) ... [2021-10-11 02:28:46,068 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:46,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:46,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:46,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:46,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:46,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:46,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:46,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:46,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 2bv32 == tmp) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 2bv32 == tmp) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,117 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) [2021-10-11 02:28:46,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:28:46,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:28:46,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:46,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f602ec-fea5-42e4-b0eb-5f971bdcff30/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:46,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:46,156 INFO L168 Benchmark]: Toolchain (without parser) took 24371.40 ms. Allocated memory was 71.3 MB in the beginning and 123.7 MB in the end (delta: 52.4 MB). Free memory was 52.2 MB in the beginning and 51.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,156 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:46,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 39.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.29 ms. Allocated memory is still 71.3 MB. Free memory was 39.7 MB in the beginning and 36.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,157 INFO L168 Benchmark]: Boogie Preprocessor took 57.03 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 34.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,158 INFO L168 Benchmark]: RCFGBuilder took 2588.18 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 34.2 MB in the beginning and 57.0 MB in the end (delta: -22.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,158 INFO L168 Benchmark]: TraceAbstraction took 20848.29 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 56.4 MB in the beginning and 58.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,159 INFO L168 Benchmark]: Witness Printer took 91.37 ms. Allocated memory is still 123.7 MB. Free memory was 58.4 MB in the beginning and 51.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:46,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 39.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.29 ms. Allocated memory is still 71.3 MB. Free memory was 39.7 MB in the beginning and 36.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.03 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 34.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2588.18 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 34.2 MB in the beginning and 57.0 MB in the end (delta: -22.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20848.29 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 56.4 MB in the beginning and 58.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. * Witness Printer took 91.37 ms. Allocated memory is still 123.7 MB. Free memory was 58.4 MB in the beginning and 51.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 2bv32 == tmp) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 2bv32 == tmp) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 919 SDtfs, 935 SDslu, 1455 SDs, 0 SdLazy, 234 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred 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, 11 MinimizatonAttempts, 835 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 128 NumberOfFragments, 958 HoareAnnotationTreeSize, 39 FomulaSimplifications, 45777 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 39 FomulaSimplificationsInter, 8829 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 821 ConstructedInterpolants, 0 QuantifiedInterpolants, 111681 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3148 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 369/405 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 correct! Received shutdown request...